M.Sc. (RIT)_tST SEMESTER EXAMINATION; JANUAI~Y - 2018(SVB.: PATIIOLOGY AND TEI~MINOLOGY; PAPERCODF- <;1-'(102)

~'I_.:.;'il:.!!II_o_l':_::.::.;_'_.:.;I1:..:,o:,_"uc:,_r:!_,s ---------------------~. Maximum Marks: 60Inxt ruct iuns:

I, Write your Roll No. on the Question Paper.'") (';alldiJatl.:sshould ensure that they have been provided correct question paper. Complaints in this regards, if any,

"IHluld he made within 15minutes of the commenl'l~ll1entsof Exam. No complaints willi ... l-ntertained thereafter-.1. lach Part is compulsory. Marks are indicated again~;teach question.4. Illl~~'a(e your answer with diagram wherever requirl'~._. -------

PART-A {OBJECTIVE TYPE QUESTIONS OMR SHEETS}

ATTEMPT ALL THE QUESTlONS:-Q.l. Normal cell have the following except-

a) Cell membranec) Cytoplasm

(1)

b) Epitheliumd) Nucleus

" Q.2.The Cytoplasm has the following:­a) DNAc) Cell division

(1)

b) Genetic informationsd) None of the above

Q.3. Causes of cell injury (1)a) Genetic causes b) Microbial causes c) Nutritional derangements d) All the above

Q.4. Lymphocytes are matured in:-a) Heart b) Intestine

(1)

c) Thymus d) Blood

Q.5. Which of the following statement is true:- (1)a) Platelets are among one of the acute inflammatory cells.b) Presence of Langhans giant cell is must for the diagnosis of non-Hodgkin's lymphomas.c) Reed Sternberg Cell is the characteristic diagnostic cell in the Hodgkin's disease.d) Viruses are not important in the etiology of any type of tumors.

Q.6. Which of the following statement is true:-a) Lymphocytes are main cells present in an acute inflammatory process.b) UV radiation are not implicated in any type tumor formation.c) Haemodynamic changes is most important hallmark in inflammation.d) HIV is a type of bacteria causing AIDS.

(1)

(1)Q.7. Branches of pathology are:­

a) Histopathologyc) Both of the above A & B

b) Cytologyd) None of the above

(1)Q.8. Etiology of tumourogenesis is :-

1. Toxic gases and chemicals3. Vegetarian foods

2. Certain viruses4. chromosomal mutational changes

a) 1& 2 are correctb) 1,2 & 4 are correctc) All are correctd) Only 3 & 4 are correct.

(1)Q.9. The following are included in the chromosomal genetic defects

1. Down's syndrome 2. Hemophillia3. Leprosy 4. Turner syndrome

:I) :"=&.~;I:l'L(IIIl'lt

h) I & 2 arc L(llll'l't

c) 2.3 & 4 arc l'\)ITL'L't

d) 3 & 4 arc correct

Q.I II. Which statement is I:t!sc:-a) Diffusion is a type ofact ivc transportb) Apoptosis is a progranuncd cell deathc) Transudate contains more than 3gm% of proteinsd) Diabetic foot is an example ofwet gangrene

(I;

Q.l1. Assertion- Blood group determination is must­Reason-To avoid transfusion reactions.a) Both Assertion and Reason are correct.b) Assertion is correcl but Reason is wrong.c) Assertion is wrong but Reason is correct.d) Both Assertion and reason are wrong.

(1)

Q.12. Assertion: Trandusate is the fluid present in the interstitial compartment of the tissues:­Reason: Because of the inflammation caused by the microbial infection.a) Both "assertionand reason are correctb) Assertion in correct but reason is wrongc) Assertion is wrong but reason is correct

\ d) Both assertion and reason are incorrect

(1)

Q.13. Which blood group is "Universal donor" (I)a) Blood group A b) Blood group 0 c) Blood group B d) Blood group A,B

Q.14. Match the following:- (I)a) Benign I. Lymphatic spread of cancerb) Malignant 2. Genec) Metastasis 3. Lipomad) Mutation 4. Sarcoma

a) a3, b4, c1, d2b) a2, b3, c4, d1c) a l , b2, c3, d4d) a4, bJ, c2, d I

Q.15. Which of the following is an acute inflammatory cell:- (1) '--'a) Lymphocyte b) Neutrophil c) Macrophage d) None ofthe above

Q.16. Full form ofMCV is:- (1)a) Mean cell volume b) Mean concentration volumec) Mean corpuscular volume d) None of the above

Q.17. Which of the following is not a feature of Down's syndrome. (1)a) Mangoloid facies b)NormalIQ c) Short stature d) Happy go type personality

Q.18. Important example of tumour suppression gene implicated in human cancer include thefollowing:- (1)a) P53 b)APC c) Both A & B d) None of the above

Q.19. A suicidal programmed cell death is known as:- (1)a) Necrosis b) Apoptosis c) Atrophy d) Metaplasia

Q.20. Condition in which RBC count is decreased (1)a) Polycythemia b) Gangrene c) Anemia d)None of the above

I ill' l'S,>Cnl:a) difference between plasu»: .uid serum is:-a) lligh albumin level in plasma b) Low calcium level in serumc) Absence of clotting factors in serum d) Presence of clotting factor-, ill plasma

().n. Vl'1I0US emboli most often lodged in :-a) Intestine b) Lungs c) Kidney d) Ikart

(,).2J. l+lccding disorder occurs due to all excepr­a) Abnormality of blood vesselsc) Severe infection

b) Abnormality of coagulation systemd) Radiation

Q.24. Accumulation of excess fluid in the interstitial tissues of the body is called:-a) Edema b) Haemorrhage c) Emboli d) Shock

Q.25. Increase in size of an organ is called.-a) Hyertrophy b) Atrophy c) Hyperplasia d) Metaplasia

Q.26. All are the features of macrocytic anemia except-a) Macrocytosis b) Hypersegmented Polymorphsc) increased MCV d) Microcytic picture

~27. Normal range for Total Leucocyte Count (TLC):-a) 2000-4000 cell/cumm b) 10,000-20,000 cells/cummc) 4000-11,000 cell/cumm d) None of the above

Q.28. Match the following:-a) Anemia 1. Increased red cell sizeb) MCHC 2. Increased pallorc) Hypochromia 3. Hemoglobin concentrationd) Macrocytosis 4. Decreased RBC counta) a4, b3, c2, dlb) a l , b3, c4, d2c) a2, b4, cl, d3d) a3, b2, cl, d4

Q.29. Match the following:-a) Neutrophil 1. Decreased TLCb) Iron deficiency 2. Formation of bloodc) Leucopenia 3. Anemiad) Hemopoiesis 4. Acute inflammatory cell

a) a2, bl, c3, d4b) a4, b3, c l , d2c) a3, b4, c2, d1d) al, b4, c3, d2

Q.30. Features of a malignant tumor are:-a) Metastasis b) Pleomorphism c) Hyperchromasia d) All the above

PART-B (DESCRIPTIVE TYPE)

Q.1. Differentiate between the following: (Attempt any two)a) Benign and Malignant tumorb) Apoptosis and Necrosis.c) Transduate and Exudate.

( I)

(I)

(I)

(I)

(I)

(1)

(

(1)

(I)

(I)

(2x5=10)

Q.2. Short note types (Attempt any Three)

a) Define cell injury and enumerate its types.b) Premalignant lesions.c) Define inflammation. Give its types and name the cells participating ill the process.d) Define cellular adaptation and enumerate its various types.

..(3x4=12) ,

Q.3. Long essay type (Attempt any One) (I x8=8)a) Define and classify anemias. Discuss the Laboratory diagnosis of Iron deficiency anemia.b) What is thrombosis? Differenitiate between thrombosis and embolism.

100961/15

Rolll\o.

:V1.Sl~.(RIT) - 1ST SEMESTER EXAMI~ATIO:\S; JA~l)ARY-2018(SUBJECT: HlJ!\1A!\ ANATOMY & PIIYSIOLOGY; PAPERCOI>E - 05130107)

Time: 03:00 Hrs. Max M:ar k: ouInstructions:I. Write your Roll No. on the Question Paper.2. Candidate should ensure that they have been provided with the correct question paper. Complaints in this regards,

If any, should be made within 15minutes of the commencement of the exam. No complaint(s) will be entertainedthereafter.

3. Question paper consists of two parts (Part-I and Part-H). Max. Marks for each part are 30. Use separate answerbook for each part. Any mistake in this regard shall be at the risk and responsibility of the examinee and nocomplaint in this regard will be entertained after the exam.

4. Draw the diagram wherever required.

(HUMAN ANATOMY)PART-A (OBJECTIVE TYPE QUESTIONS OMR SHEETS)

" ATTEMPT ALL QUESTIONS:-~ 1. White fibrocartilage is found in:-

a) Trachea b) Epiglottis

Q. 2. A feature of cardiac muscle is presence of:-a) Multiple nuclei b) Peripheral nuclei

(I)c) Thyroid cartilage d) Intervertebral disc

(1)c) Intercalated disc d) Spindle shaped cell

Q. 3. Bone which develop within a tendon is known as:-a) Pneumatic bone b) Sesamoid bone c) Irregular bone

Q. 4. Following is a type of fibrous joint:-a) Suture b) Pivot joint

Q. 5. A branch of arch of aorta is:­a) Brachiocephalic trunkc) Vertebral artery

" Q. 6. Epithelium lining the alveoli of lungs is:-a) Stratified squamous b) Simple cuboidal

Q. 7. Payer's patches of lymphoid tissue is seen in:-a) Duodenum b) Ileum

Q.8. Common bile duct opens in:­a) Gall bladderc) 2nd part of duodenum

Q. 9. Islets of Langerhans are seen in:-a) Liver b) Testis

Q. 10. Major and minor calyces are seen in:-a) Kidney b) Liver

Q. 11. Deltoid muscle is:­a) Multipennate b) Bipennate

(1)d) Long bone

(I)c) Symphysis d) Ellipsoidjoint

(I)b) External carotid arteryd) None of above

(1)c) Transitional d) Simple squamous

(1)c) Jejunum d) Stomach

(1)b) 1stpart of duodenumd) 3rd part of duodenum

(1)c) Spleen d) Pancreas

(1)c) Pancreas d) Spleen

(1)c) Unipennate d) Circumpennate

(y. 12. pU\\'l"rh,Jlhl' u:- ceil i5:-a) :\uckus b) \'li7()cil(ld;-ia

Jt'J J

d) Goigi ApP;lr;lllh

(). 13. True about movement offlexion:-a) Towards midlineb) Away from midlinec) Increases the angle between two surfacesd) Decreases the angle between two surfaces

(I)

Q. 14. Pulmonary trunk arises from:-a) Right atrium b) Right ventricle c) Left atrium d) Left ventricle

(1)

Q. 15.Most vascular part of a growing long bone:-a) Epiphysis b) Diaphysis c) Metaphysis

(1)d) None of above

PART-B (DESCRIPTIVE TYPE)

Q.1.

\

Write short notes on any three of the following:-a) Interior of right atriumb) Gross anatomy and blood supply of stomachc) Types of synovial jointsd) Gross anatomy and blood supply of uteruse) Bronchopulmonary segments of lung

(3x3=9)

Q.2. Write in detail anyone of the following:- (lx6=6)a) Describe the gross anatomy and relations of kidneys. Add a note on their blood supply. Name any

two diseases affecting kidney.

ORb) Write down classification of bones. Name the parts of a growing long bone. Add a note on its

blood supply. Name any two diseases affecting bones

(PHYSIOLOGY)PART-A (OBJECTIVE TYPE QUESTIONS OMR SHEETS)

ATTEMPT ALL QUESTIONS:-Q. 1. The most alkaline exocrine secretion is:-

a) Gastric juice b) Pancreatic juice c) Bile juice d) Saliva(1) ~

Q.2. Neurotransmitter of parasympathetic nervous system is:-a) Adrenaline b) Glycine c) Acetylcholine d) GABA

(1)

Q. 3. Oxygen hemoglobin dissociation curve is:-a) Bell shaped b) S shaped c) Delta shaped d) Normal curve type

(1)

Q. 4. The pacemaker of respiratory system is:­a) Dorsal respiratory groupc) SA node b) Ventral respiratory group

d) Pre-botzinger complex

(1)

Q. 5. GFR is:-a) 40-50 litres/day b) 50-100 Iitres/day c) 150 litres/day d) 180 litres/day

(1)

Q. 6. Iodine is concentrated in thyroid follicular epithelial cells by.-a) Primary active transport b) Secondary active transportc) Simple diffusion d) Facilitated diffusion

(1)

\\ !jl\._'l~ (:; :Lv ~~)iJtn\ iI~~j~ a :'~!;}:d!yad~!piiL~~a) \L;sck ,p:;;dk b) Carotid sim;:" c) Pain receptor

(1)0) Pacinia» corpuscles

Q.8. Hvdrochloric acid in stomach is secreted bv:-. .a) Paneth cells b) Goblet cells c) Chief cells

(1)d) Parietal cells

Q.9. The major stimulus for spontaneous respiration is:-a) CO2 b) O2 c) lactate

(I)

Q. 10. An obese stocky and short statured child with mental retardation is most likely suffering from:- (1)a) Addison's disease b) Cretinism c) Cushing syndrome d) Adrenal adenoma

Q. 11. Intrapleural pressure is positive during forced expiration:- (1)a) True b) False

Q. 12. Cell membrane contains phospholipid bilayer:- (1)a) True b) False

Q. 13. AV node is the pacemaker ofheart:- (1)a) True b) False

" ASSERTION REASON:-Q. {4. The membrane potential is due to unequal distribution of ions across cell membrane. Reason (R) this

unequal distribution of ions is due to donan'seffert:- (1)a) Both A and R are correct & R is the correct explanation for Ab) A is correct but R is incorrectc) A is incorrect but R is correctd) Both A and R are correct but R is not the correct explanation for A

Q. 15. Transmission across synapse occurs only in one direction. Reason (R) It is due to presence ofneurotransmitter in post synaptic neurons and receptors in presynaptic neurons:- (1)a) Both A and R are correct & R is the correct explanation for Ab) A is correct but R is incorrectc) A is incorrect but R is correctd) Both A and R are correct but R is not the correct explanation for A

Q.l.

"PART -B (DESCRIPTIVE TYPE)

Write short notes on (attempt any three):-a) hyaline membrane disease.b) Mechanism of muscle contractionc) Glomerular filtration rated) Ricketse) Reflex arc

(3x3=9)

Q.2. Long essay type question (Attempt any one):- (lx6=6)a) Define cardiac cycle.. Explain with the help of a diagram the mechanical changes during cardiac

cycle.b) What is the composition, functions and regulation of secrection of pancreatic juice -.

***************************100962115

_\,1. ,,;c. (lHT) - ]"1 SEMESTER EXA\1L\,ATIOl\S; .JA~UARY-2018(SU3.JECT: l.\l:\(;E PRODLCTlO:'-i & EVALLATlO:\; PAPER CODE - 05I301<q)

-hill': 0..':00Hrs.-----

Instructions:l. Write your Roll No. on the Question Paper.2. Candidate should ensure that they have been provided with the correct question paper. Complaints in this

regards, If any, should be made within 15minutes of the commencement of the exam. No complaint(s) will be

Max Mark: 60

entertained thereafter.3. Each Part is Compulsory. Marks are indicated against each question.4. Draw the diagram wherever required.

PART -A (OBJECTIVE TYPE QUESTIONS OMR SHEETS)

SINGLE RESPONSE QUESTIONS:-1. Which is true for ideal dark room

a. 100 sq. feet floor & 11 feet ceiling heightb. 150 sq. feet floor & 15 feet ceiling heightc. 50 sq. feet floor & 20 feet ceiling heightd. 125 sq. feet floor & 15 feet ceiling height

(30x1= 30)

A.,\2. Rare earth has conversion efficiency of

a. 40-50 %b. 5-10%c. 20-25%d. 80-90%

3. The lead equivalent for darkroom wall thickness isa. 2.5mmb. 1.5mmc. 0.5mmd. None of the above

4. Oxidized developer attains which colour?a. Greenishb. Bluishc. Brownishd. Either of them

5. Rare earth screen is made-up of element which have atomic numbersa. 57-71b. 12-20c. 52-60d. None of the above

6. Which film uses T-grain technologya. Blue sensitiveb. Green sensitivec. Red sensitived. None of the above

a. Screen ::ns!Jarpnc~~b. Absorpi ion unsharpncssc. Movement unsharpnessd. Geometric unsharpness

8. Typical temperature of developer in automatic processora. 20° Cb. 50° Cc. 35° Cd. 90°C

9. Film bin isa. Does not fog films provides illumination during processingb. Method of passing exposed cassette from lighted environment to inside of dark roomc. Ensures circulation of fresh air inside darkroomd. Light proof storage bin for film that has been opened but not exposed

10. The darkroom worker complains about a new policy which prohibits him from having his lunchin the darkroom. Why was this policy put in place?a. Artifacts were being found on developed film

\ b. The room needed to be cleaned more oftenc. For health concernsd. To avoid electrocution

II. The three safety precautions for maintenance of the automatic processor are to I. checkreplenishment rate and temperature, 2. check solution levels, and what else?one answersa. Check operation of crossoversb. Wipe processor with damp ragc. Check for frayed wires and/or scratched coverd. Run a clear film or unexposed film through the processor and check for solution leaks

12. Safe lighta. Light proof storage bin for film that has been opened but not exposedb. Ensures circulation of fresh air inside darkroomc. Method of passing exposed cassette from lighted environment to inside of dark roomd. Does not fog films provides illumination during processing

13. Ventilation systema. Light proof storage bin for film that has.been opened but not exposedb. Method of passing exposed cassette from lighted environment to inside of dark roomc. Ensures circulation of fresh air inside darkroomd. Used in emergency or if the darkroom needs maintenance

14. Flashera. Used in emergency or if the darkroom needs maintenanceb. Device used to mark the film with the pt informationc. Ensures circulation of fresh air inside darkroomd. Does not fog films provides illumination during processing

15. Duplicatora. Method of passing exposed cassette from lighted environment to inside of dark roomb. Ensures circulation of fresh air inside darkroomc. Used to copy radiographs with duplicating filmd. Light proof storage bin for film that has been opened but not exposed

\\ j~!C> ~ 1 '.. ~\.' ~ .~;\\::;g docs nu~ ;!:~L\''':/"(:, .\:.;:,-~:"i'.~ L~l:;tr~bt?a. Au. ...r; :~ri~:lldJf~crcnces in tl.c CC;11jJl::-ll."111 ~)L~:l~ginspectedD. The \\d\ek;~g:h ofthe radiation useec. the amount or scattered radiationd. the level or current used for the exposure

17. Radiographic contrast describes-a. The sharpness Iines in the radiographb. The difference in photographic density in radiographc. The average photographic density in a radiographd. The difference in density between to different radiographs

TRUE/FALSE18. Which is true

a. Hydroquinone is more sensitive to aerial oxidationb. Phenidone is more sensitive to aerial oxidationc. Metol is more sensitive to aerial oxidationd. Sodium sulfide is more sensitive to aerial oxidation

"a.b.

\ c.d.

19. Which is FalseCone beam effect is seen in Multisection scanningPartial volume artifact can be avoided by taking thin slice sectionBow-tie filter is used for minimizing photon starvationBeam hardening effect can be avoided by tilting the gantry

20. Keep counter top clear of everything not used for loading and unloading cassettesa. Trueb. False

21. The darkroom must not have anything above the counter topsa. Trueb. False

22. Preventive maintenance is required to avoid artifacts and chemical stains on the radiographa. Trueb. False

"23. Step two of the automatic processor operation is:Developing is short but critical.

a. Trueb. False

24. The darkroom must not have anything above the counter topsa. Trueb. False

FILL IN ras BLANKS TYPE25. Cine films are ..

a. Single emulsion filmsb. Double emulsion filmsc. Envelope wrapped filmsd. Polaroid films

26. Size of occlusal film used in dental radiography is .a. 31 X 41 mmb. 94X 106mmc. 57 X 76 mmd. 78 X 94 mm

to _ .. - .. - ....... .. ~'( ~V.

<l. Developmentalb. Chemicalc. Safelightd. Colour

28. If x-ray films to be stored for more than 3 months, then background radiation should not exceed

................a. 1.29 nC/kg/hb. 3.30 ne/kg/hc. 4.10 ne/kglhd. 5.40 ne/kg/h

29. Gadolinium oxysulphide activated with terbium emits light.

a. Blueb. Greenc. Whited. orange

\ 30. When dealing with any of the chemicals, .Asaccording to the sheeta. Be careful not to spillb. Wash hands after handlingc. Use proper protective geard. Don't mix them together

PART -B (DESCRIPTIVE TYPE)

1. Short Answer Type Question (Attempt any four):-a) Explain X-ray tube cooling chart.b) Write exposure calculation of various special radiographic procedures.c) What are radiographic identification procedures?d) Explain rare earth intensifying screens.e) What is professional imaging standard and how quality control procedures work on it?

(4x4= 16)

2. Long Answer Type Question (Attempt any 2 question):-a) Write a note on CR system.b) Explain laser camera/dry camera.c) What is radiographic quality also explain density, contrast, sharpness and distortion.

(7x2= 14).__.

***************************100963/'"

Roll :\0. _

. (I{IT) -. IstSEM. EXAMINATIONS; JANUARY -2018ECT- UADlATlON HAZARDS, PREVENTION & SAFETY; PAPER CODE- 05130113)

Time: 03:00 HoursInstruction:

1. Write your Roll No. on the question paper.2. Candidate should ensure that they have been provided with correct question paper. Complaints in this regard, if any,

should be reported to the invigilator on duty in the examination hall within 15 minutes of the commencement of theexams. No complaints shall be entertained thereafter.

3. Each Part is compulsory. Marks are indicated against each question.4. Draw diagram whenever required.

Maximum Marks - 60

PART- A (OBJECTIVE TYPE QUESTION OMR SHEETS)

a Choose the correct answer.. I. As per AERB, lead equivalent thickness of lead glass should be at least:

\ a) 0.5 mm b) 1.5 mmc) 2.5 mm d) 3.5 mm

(JOxl=JO)

2. The unit of effective dose is -a) Gyc) R

b) Svd) Rad

3. Which one of the following statement is False-a) Collimating the primary X-ray beam improves image quality.b) Higher the grid ratio, the image resolution is poor.c) For Chest PA, the FFD is 1.8md) Bucky is used to cut off the scattered radiation

4. Which of the following statement is FALSE about X- Radiation:a) Its intensity is decrease in accordance with inverse square law.b) It is produced by the deceleration of electronc) It belongs to electromagnetic radiationd) It moves faster than light in free space.

5. As per inverse square law, from a radiation source, if exposure rate at 1m is 100 mRlh, exposure rate at 2mwill be near by:~ 15 b) 25~ ~ ~ ~

6. The permissible limit of leakage radiation isa) Less than 0.1 RIHr at 1meter from the tubeb) Less than 0.2 RlHr at 1meter from the tubec) Less than 0.3 RlHr at 1meter from the tubed) Less than 0.14 RlHr at 1meter from the tube

7. How much protection is provided from 75KVP X-ray beam when using 0.50mm lead equivalent aprona) 51% b) 66%c) 88% d) 99%

a) ~CRl'c) BEIR

i,) Il:i:ish committeed) j( '1<']>

J

Unit of Exposure Rate (0I1sta:11a) R-cm2

c) Ci-hh) R_1ll1

d) Ci-h!

10, The monitoring and measuring ofa person's exposure to radiation is cal led-a) Densitometry h) Dosimetryc) Sensitometry d) ALARA

II. Probability of the event that might occur X Severity of the event if it OCClil'Sa) Accident b) Hazardc) Risk d) Noneof the above

12. Industrial safety management if that branch of management which is concerned with -------- hazards fromthe industries.a) Reducing b) Controllingc) Eliminating d) All of the above

13. The following is indirect cost of accidenta) Money paid for treatment of worker

\. c) Cost of lost time of injured workerb) Compensation paid to workerd) A 11of the above

14. The following is (are) physical hazard agent(s)a) Fallsc) Inhalation

b) Electricityd) All of the above

15. Check list for Job Safety Analysis (JSA) consists ofa) Work area, material, machine, toolsc) Men, machine, work area, tools

b) Men, machine, material, toolsd) Men, work area. Material, tools

16. A safety programme consists ofa) Three E'sc) Five E's

b) FourE'sd) Six E's

17. For household wiring and small units, the following should be used for safety measure -a) MCB b) ACBc) OCB d) MCCB

18. Decibel (db) is a unit used to measure­a) Lightc) Frequency

b) Soundd) None of the above

19. The following is (are) are generally provided with limit switch to prevent motion beyond preset limita) Hoists b) Conveyorsc) Machine tables d) All of the above

20. The following is (are) used as safety device (s) in machines:a) Fail safe b)c) Limit switches d)

Safety interlocksAll of the above

21. The instrument used to measure external radiation exposure for the day from gamma and x-ray worn by aradiographer is called aa) Alarm ratemeter b) Pocket dosimeterc) Geiger counter d) Survey meter

22. How long after the Roentgen's discovery were radiation bums detecteda) 1 day b) 1 yearc) 1month d) 6 months

c) 50 rc':llh) 10 remd) 5 rem

24. The ioniz<llltl!ll"hambersurvey meter usually 1llt.:<I';III"I:S radiation level in the range ofa) MiliinwlIlgt.:nsper hour b) Roentgens per hourc) Millinwlltgens per minute d) Roentgens per minute

25. Which is true lor first x-ray tube used in india:a) Cargoc) Heavy duty

b) Crooksd) Grid controlled

26. Which is false for the material is/are used as a primary barrier shielding -a) Concrete b) Leadc) Steel d) Cement

27. In the made the first radiation protection recommendations.-a) 1895, Canadian Society. b) 1921. British Roentgen Society.c) 1928, ICRP d) 1946, NCRP

tit 28. Aluminium filtration has its greatest effect on .'\ a) Long wavelength radiation.

c) Low MA factorb) Short wavelength radiationd) High MA factor.

29. Match the following with their WIi. Bone Surface a 0.20ii. Thyroid b.O.12iii. Lung c.0.05iv. Gonads dOm

A. i-d, ii-c, iii-b, iv-aB. i-c, ii-d, iii-a, iv-bC. i-a, ii-b, iii-d, iv-cD. i-a, ii-b, iii-c, iv-d

30. Match the following with their SI Uniti. KERMAii. Radiation Exposureiii. Effective dose"

a Sievertb. Grayc. Clkg

A. i-c, ii-b, iii-aB. i-a, ii-b. iii-cC. i-a, ii-a, iii-bD. i-b. ii-c, iii-a

PART - B (DESCRIPTIVE TYPE)

1. Short Answer Type Question (Attempt any four)a) Explain somatic effects.

b) Write guidelines of use and handling of Pocket dosimeter and TLD.

c) What is occupancy factor?

d) Explain barrier design and its materials.

e) What is radiation survey and its guidelines.

(4x4=16)

2. Long Answer type Question (Attempt any two)

a) Write difference between effects of natural and man made radiation,

b) Explain types of radiation leakage and its corrective measures.

c) Brief on recent advancement of radiation safety equipments and its advantages.

************************

(7,2=14)

Rol! :\0 --,,--,.,----

\l.Se. (RIT) - 1ST SEMESTER EXA:\lI:\ATIONS;JA:\{;ARY -2018(SCBJECT: nADIA TIO:\' PHYSICS & X-RAY PROPERTIES; PAPER CODE - 05130111)

Time: 03:00 Hrs. Max Mark: 60Instructions:1. Write your Roll No. on the Question Paper.2. Candidate should ensure that they have been provided with the correct question paper. Complaints in this regards.

If any, should be made within 15 minutes of the commencement of the exam. No complaint(s) will be entertainedthereafter.

3. Each Part is Compulsory. Marks are indicated against each question.4. Draw the diagram wherever required.

PART-A (OBJECTIVE TYPE QUESTIONS OMR SHEETS)

ATTEMPT ALL QUESTIONS:-Single Response Question:-Q. 1. Flux gain increases the brightness of fluoroscopic image by a factor of:- (1)

a) Approx. lOb) Approx. 25 c) Approx. 35 d) Approx. 50

"Q. 2. The signals which convey fluoroscopic image from image intensifier to video camera where

it is converted into series of electric impulses are known as:- (1)a) Audio signal b) Video signal c) Gamma camera d) Quantity of beam

Q. 3. The amount of energy passing per unit area at a point in a beam of electromagnetic radiationis referred as:- (1)a) Wavelength of beam b) Intensity of beamc) Quality of beam d) Carboxylation

Q. 4. Filament current in x-ray tube is about:-a) 5-10 amp b) 10-15 amp

(1)c) 0-5 amp d) 8-12 amp

Q. 5. Percentage of rhenium mixed in tungsten for anode is.-a) 1-2 % b) 10-12% c) 5-6 %

Q. 6. "Grid cut-off' can be reduced to:-a) Focused grid b) Unfocussed grid c) High ratio grid

(1)d) 15-20%

(1)d) None of the above

Q.7. The leakage of radiation at a distance of Imm from protective housing must be less than:- (1)a) 50 mRlHr b) 100mRlHr c) 200 mRlHr d) 300 mRlhR

Q.8. Which of the following waveform has about 13% voltage drop between peak voltages:- (1)a) Single phase b) Three phase, 6 pulsec) Three phase, 12 pulse d) High frequency

Q.9. Which statement id correct:-a) Smaller the anode angle, smaller the heel effectb) Anode angle has no effect on heel effectc) The larger the anode angle, larger the heel effectd) Smaller the anode angle, larger the heel effect

(1)

Q. 10.Electric resistance is measured in:-a) Ohm b) Ampere

(1)c) Ergs d) Farad

Q. 11.High frequency generator has:-a) High tube current with short exposurec) Ripple factor is minimum

(1)b) More efficientd) All of above

Q 12 '\lh;i;~:J"es llrru:a;:;~Q anode x-ray Lacs arer- (1). . ~I) Q,;Jck"'dissipatioll ot' heal' b) Heat OU:PLit of X-ray tube

c) Short exposure time d) All above

Q. 13.The aluminum filter used in the diagnostic X-Ray tube is?:- (1). a) For absorption of the low energy photons b) For absorption of scattered photons

c) For absorption of high energy photons d) None of above

Q. 14.Disadvantage of the moving grid are:- (1)a) Synchronismb) Vibration to set up in X-Ray tubec) Requires approximately 15 % more radiation to the patientd) All above

Q. 15.Fluorescent material used in fluoroscopic screen is made-up oft- (1)a) Zn Sulphide b) Zn cd sylphide- copper activatedc) Calcium tungstate d) Cesium iodide

Q. 16.Quenching gases are used in:-a) Ionization chamber b) Pocket dosimeter chamberc) TLDs d) Geiger Muller Counter

(1)

Q. 17.Wavelength of x-rays is in range:­a) 10,8 to 10,13mc) 10,10 to 10,15m

b) 10'7 to 10,14md) 102 to 109m

(1)

Q. IS.X-rays have:-a) short wavelength b) high frequency c) both A and B

(1)d) longest wavelength

Q. 19.X-Ray generator provides:-i) Electric power to energize X-Ray tubeii) Mechanism to select technique appropriate for a given examinationiii)To protect X-Ray tube from possible overload situationiv)All above

(1)

a) Only a is correctc) Only C is correct

b) A, B is correctd) D is correct

Q. 20.Which of the following is the sensitive material in radiologydepartment?:­i) X-Ray filmsii) X-Ray cassetteiii)Developeriv) Intensifying screens

a) Only A is correctc) Only C, D is correct

(1)

b) Only B, C is correctd) Only D is correct

Q. 21.An exposure was made using 600 rnA & 18 rnA. If the rnA is changed to 400, which of thefollowing exposure times would most closely approximate the original radiographicdensity:- (1)a) 16ms b) 0.16 second c) 27ms d) 0.27 second

Q. 22. If the exposure rate to a body standing 3 feet from radiation source is 12mR/min, what willbe the exposure rate to that body at a distance of7 feet from the source?:- (1)a) 2.2 mR/min b) 5.1 mR/min c) 28 mR/min d) 36 mR/min

..

•

FILL I~ THE BLA:\KS:-Q. 23.Tile distance between rla;:lcnt S: target is to em.

a) 3.5 b) 1,3 c) 3.4 d) 4.5(1)

Q. 24.The measures the voltage provided to the x-ray imaging system andadjusts that voltage to precisely 220V. (1)a) Line compensator b) Voltmeter c) Rheostat d) Resistor

Q. 25.K-shell binding energy for molybdenum is keV.a) 33.2 b) 37.4 c) 69.5

(1)d) 20

Q. 26.The incident photon must have at least of energy in pair production interaction. (1)a) 0.51 MeV b) 10 keV c) 1.02MeV d) 2.04 MeV

TRUE/ FALSE TYPE QUESTION:-Q. 27.Both X-Ray & Gamma rays are called photons:- (1)

a) True . b) False

Q. 28.Characteristics of the photons is travel at speed of light and loses intensity with:-a) True b) False

(1)

\ Q. 29.X-ray are emitted from inside the electrons ofan radioactive atom:-a) True b) False

(1)

Q. 30.Geometric unsharpness is most likely to be greater at the anode end ofimage:-a) True b) False

(1)

PART -B (DESCRIPTIVE TYPE)

SHORT ANSWER TYPE QUESTION (ATTEMPT ANY FOUR):­Q. 1. Explain tube heating chart and tube overloading indication circuit.Q. 2. Write difference between ammeter and voltmeter.Q.3. Write any four properties of electro-magnetic radiation.Q. 4. Explain bridge/delta or Y circuits.Q. 5. Brief on relationship between exposure switches and relay timers.

(4x4=16)

LONG ESSAY TYPE QUESTION (ANSWER ANY ONE):-Q. 1. Draw a label diagram of X-Ray tube circuit and explain 6 pulse transformer.Q. 2. Explain digital fluoroscopy with help oflabel and block diagram.Q. 3. Write a note on types of dental radiographic equipments.

(7x2=14)

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