bioscience exam quiz

7/26/2019 Bioscience Exam Quiz

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Fred’s blood group was determined to be AB positive. This means

Select one:

a. there are no A, B, or Rh antibodies in the plasma

Correct well done. Fred has A and B antigens on the surace o the red cell ma!ing him blood group AB and

also has the rhesus antigen on the surace o the red cell ma!ing him positive. All together AB positive

b. A, B, or Rh antibodies are present on the red blood cells

c. his blood lac!s Rh actor

d. he can onl" receive blood rom a donor who is AB positive

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Correct

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An autoimmune disease is

Select one:

a. an automatic response to pathogens

b. also !nown as h"persensitivit"

c. a result o e'posure to allergens

d. the production o antibodies against "our own tissues

Correct well done. An autoimmune disease occurs when "ou produce antibodies against "our own tissueswhich are no longer recognised as (sel’



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Correct


All o the ollowing are produced b" the adrenal gland )*C)+T

Select one:

a. A-

Correct well done. A- is produced b" the h"pothlalmus

b. glucocorticoids

c. mineralocorticoids

d. se' hormones

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Correct


The subdural space lies between what two la"ers o the meninges named

Select one:

a. dura and pia

b. dura and arachnoid

Correct well done. a"ering o the meninges rom outside to inside is dura mater, arachnoid mater , pia

mater. So the subdural space lies underneath the dura mater and on top o the arachnoid mater

c. arachnoid and pia



d. dura and epidura

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A luid secreted into the small intestine during digestion that contains cholesterol, emulsiication agents and

phospholipids is.

Select one:

a. bile

Correct well done. Bile secreted b" the liver into the duodenum o the small intestine contains cholesterol,

emulsiication agents, and phospholipids

b. pancreatic /uice

c. intestinal /uice

d. gastric /uice

The 0!nee /er!1 rele' is an e'ample o a

Select one:

a. e'tensor thrust rele'

b. stress rele'

c. cross stressor rele'

d. stretch rele'



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The receptors which react most slowl" are the

Select one:

a. smell receptors

b. pressure receptors

c. nociceptors

d. touch receptors

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Correct

#ar!s or this submission: $.%%&$.%%. nociceptors which are a sensor" receptor or painulstimuli and are 2uiet slow

The structure that draws an ovulated ooc"te into the emale duct s"stem is the

Select one:

a. imbriae

b. microvilli

c. oviduct

d. stereocilia



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Correct


Between the visceral and parietal la"ers o the pleura "ou normall" ind

Select one:

a. the lungs

b. air

c. l"mph

d. serous luid

Correct well done. Between the visceral and parietal pleura "ou normall" ind serous luid

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Correct


+roprioceptors

Select one:

a. detect changes in blood pressure

b. detect chemical changes

c. receive messages orm the cardiovascular centre



d. increase heart rate when moving

Correct well done. +roprioreceptors detect movement in muscle. 3ncreased muscle movement means

increased return o blood to the heart b" means o the s!eletal muscle pump. 3ncreased return o blood

increases heart rate and stro!e volume to clear the increased blood return

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Correct


The role o mineralocorticoids in long term stress response is

Select one:

a. increase blood glucose

b. decrease blood glucose

c. promote retention o water and sodium b" the !idne"s

d. suppression o immune s"stem

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Correct


The organ s"stems that are most responsible or protecting the bod" against pathogens are the

Select one:

a. integumentar" and l"mphatic

Correct well done. The integumentar" s"stem 4s!in5 provides a barrier and the l"mphatic s"stem ilters out

microorganisms and to'ins



b. s!eletal and circulator"

c. digestive and urinar"

d. muscular and endocrine

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Correct


The ollowing statement is correct or a person with blood group B

Select one:

a. this person could donate to a person with blood group 6

b. his&her own plasma contains anti7B antibodies

c. this person could donate blood to a person with blood group AB

Correct well done. Blood group AB is the universal recipient. The AB blood group has neither A or B

antibodies and so cannot clump donor B blood

d. this person could receive blood rom a person with blood group AB

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Correct


The anterior pituitar" secretes all o the ollowing )*C)+T

Select one:



a. A-

Correct well done. A- is released rom the posterior pituitar" and produced in the h"pothalamus

b. growth hormone

c. gonadotrophins

d. TS-

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Correct


-eart sounds are caused b"

Select one:

a. e'citation o the SA node

b. closure o the heart valves

Correct well done. Closure o the heart valves cause the heart sounds. (ubb’ is closure o the A8 valves

and (ubb’ closure o the semilunar valves

c. riction o blood against the chamber walls

d. contraction o ventricular muscle

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Correct




All o the ollowing are a part o the conduction s"stem o the heart )*C)+T or

Select one:

a. A8 valve

Correct well done. The A8 valve prevents the bac!low o blood to

b. A8 node

c. SA node

d. bundle o -is

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Correct


The unction o T"pe 33 4septal5 cells is to

Select one:

a. help control what passes between s2uamous epithelial cells o the endothelial cells o the capillaries

b. produce suractant

Correct well done. The t"pe 33 cells produce suractant to prevent alveolar collapse

c. act as phagoc"tes

d. produce mucus in the upper respirator" tract

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Correct


The se' o a child is determined b"

Select one:

a. the se' chromosome contained in the sperm

b. the se' chromosome contained in the ooc"te

c. the number o sperm ertili9ing the ooc"te

d. the position o the etus in the uterus

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Correct


Short term stress response include

Select one:

a. activation o CR-

b. activation o glucocorticoids

c. production o ACT-

d. increased heart rate and blood pressure

Correct well done. Short term stress results in secretion o catecholamines 4epinephrine andnorepinephrine5 which causes increase in heart rate and blood pressure.



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3ncorrect

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uestion ;

Correct

#ar! $.%% out o $.%%

Flag 2uestion

uestion te't

Astroc"tes are the

Select one:

a. neuroglia orming the blood brain barrier

Correct well done. Astroc"tes are the neuroglia orming the blood brain barrier. Theepithelium o the capillaries in the blood brain barrier prevent harmul substances enteringthe brain. This protective mechanism is not oolproo.

b. connective tissue o the brain producing adrenaline

c. neurotransmitters helping with production o melatonin

d. lining o cerebrospinal luid illed cavities

The structure that is <6T a part o the central nervous s"stem is

Select one:a. the brain

b. a nerve

c. the spinal cord

d. a tract



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Correct

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Correct

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uestion te't

The 0!nee /er!1 rele' is an e'ample o a

Select one:a. e'tensor thrust rele'

b. stress rele'

c. cross stressor rele'

d. stretch rele'

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Correct


Question8

Correct


uestion te't

Cleavage

Select one:

Chec!

Chec!



a. is a period o ast meiotic divisions o the 9"gote ollowing ertili9ation

b. is a period o ast mitotic divisions o the 9"gote ollowing ertili9ation

c. is a period o slow mitotic divisions o the 9"gote ollowing ertili9ation

d. produces a small number o cells which serve as building bloc!s or constructing the embr"o

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Correct


Question9

Correct

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uestion te't

Adrenal steroids which regulate glucose and metabolism are

Select one:a. mineralocorticoids

b. glucocorticoids

c. se' hormones

d. adrenaline

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Correct

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10

Correct

#ar! $.%% out o $.%%

Chec!

Chec!



Flag 2uestion

uestion te't

The reactions o cellular respiration occur mostl" in

Select one:a. ribosomes

b. mitochondria

Correct well done. #itochondria are the sites wher cellular respiration mostl" occurs to produce AT+ energ"

c. smooth )R

d. the nucleolus

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Correct


Question11

Correct


uestion te't

-aemostasis is

Select one:a. a process which does not re2uire platelets

b. an e'ample o negative eedbac!

c. maintaining d"namic balance and e2uilibrium in the bod">s processes within limits

d. a series o responses to stop bleeding rom a damaged blood vessel

Chec!



Correct well done. -aemostasis consists o three phases vasoconstriction, platelet plug ormation and

blood clotting 4coagulation5

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Correct


Question12

Correct


uestion te't

Structures that meet at the neuromuscular /unction are

Select one:a. an a'on and the sacrolemma

Correct well done. An a'on is part o a nerve and the sarcolemma is the cell membrane o a muscle cell

b. an a'on and thic! ilaments

c. T tubules and sacroplasmic reticulum

d. the sacrolemma and T tubules

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Correct


Question13

Correct


uestion te't

Both l"mph and venous blood low are heavil" dependent on

Chec!

Chec!



Select one:a. the pumping action o the heart

b. s!eletal muscle contractions and decreased thoracic pressure due to respirator" movement

Correct well done. S!eletal muscle contractions push blood and l"mph through one valves ound in veinsand l"mph vessels. Respirator" movements during inspiration draw blood and l"mph towards the thoracic

cavit" and during e'piration into the heart and subclavian veins

c. contraction o the vessels themselves

d. two7wa" valves

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Correct


Question14

Correct


uestion te't

Some o'"gen ma" be stored in muscle ibres bonded to the protein

Select one:a. m"osin

b. troponin

c. m"oglobin

Correct well done. #"oglobin is protein ound in muscle to which o'"gen ma" attach and be stored

d. haemoglobin

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Correct


Chec!

Chec!



15

Correct


uestion te't

The metabolism of proteins by the liver causes the release of a by product in urine called

Select one:a. steroids

b. acet"l coA

c. !etone bodies

d. urea

Correct. ?ell done. Amine groups rom the protein ingested is deto'iied in the liver and converted to urea

so it can be e'creted rom the bod" via urine in the !idne".

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Correct


Question16

Correct


uestion te't

The valve ound at the /unction o the right ventricle and the pulmonar" arter" is

Select one:a. tricuspid valve

b. mitral valve

c. pulmonar" semilunar valve

Chec!



Correct well done. The semilunar valves prevent bac!low rom the arteries to the ventricles. Bac!low to

the right ventricle is prevented b" the pulmonar" semilunar valve

d. aortic semilunar valve

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Correct


Question17

Correct


uestion te't

The serous luid between the pleural membranes !eeps the membranes together and

Select one:a. e'changes gases

b. creates riction

c. destro"s pathogens

d. prevents riction

Correct well done. Serous luid between the pleural membranes helps reduce riction

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Correct


Question18

Correct


Chec!

Chec!



uestion te't

The endosteum is the

Select one:a. covering o a long bone

b. marrow in spong" bone

c. end o a long bone

d. lining o the medullar" cavit"

Correct well done. The endosteum lines the medullar" o marrow cavit"

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Correct


Question19

Correct


uestion te't

All o the ollowing are unctions o the liver )*C)+T

Select one:a. s"nthesis o bile salts

b. lipid metabolism

c. storage o vitamin @

d. production o vitamin @

Correct well done. +roduction o vitamin @ is not a unction o the liver. 8itamin @ is obtained rom turnips,

greens, liver etc and and produced b" some bacteria in the gut

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Correct


Chec!

Chec!



n 20

Correct


uestion te't

Return o blood to the heart is assisted b"

Select one:a. valves in arteries

b. thic! la"er o smooth muscle in arteries

c. l"mphatic drainage

d. valve in veins

Correct well done. 8alves in veins prevent the bac! low o blood awa" rom the heart. ?ith the assistance

o muscle contraction and respirator" movement the valves help return blood to the heart

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Correct


Question21

Correct


uestion te't

All statements about the cardiac muscle are true below )*C)+T or

Select one:a. cardiac muscle is smooth

Correct well done. There are three t"pes o muscle, cardiac, smooth and s!eletal. Sp cardiac muscle

cannot be smooth

b. cardiac muscle is under hormonal control

Chec!



c. cardiac muscle is controlled b" both division o the autonomic nervous s"stem

d. cardiac muscle is striated

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Correct


Question22

Correct


uestion te't

3 there is ade2uate carboh"drate inta!e, secretion o insulin results in

Select one:a. lower blood glucose levels

b. increased utili9ation o glucose

c. storage o gl"cogen

d. all o the above

Correct well done. Ade2uate carboh"drate increases blood glucose, stimulates the release o insulin, and

the lowering o blood glucose as the glucose enters the cells. There is increased utilisation o glucose b"

the cell and storage o glucose as gl"cogen

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Question23

Correct

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Chec!

Chec!



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uestion te't

?orn out red blood cells are removed rom circulation b"

Select one:a. l"mph nodes

b. th"mus

c. tonsils

d. spleen

Correct well done. Red blood cells have a useul lie span o $%% $% da"s ater which the spleen

removes them rom circulation

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Correct


Question24

Correct

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uestion te't

Chec!



+lease choose the appropriate terms or the labelled parts o the emale reproductive s"stem

i

Answer 1

iiAnswer 2

iiiAnswer 3

ivAnswer 4

vAnswer 5

Feedbac!

Eou have correctl" selected D.

Correct

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allopian tube 4oviduct or uterine tube5

imbriae

ovar"

endometrium

cervi'

Chec!



#ale reproductive s"stem:



Blood vessel diameter is determined b"

Select one:a. blood pressure

b. blood volume

c. return o blood to the heart



d. smooth muscle

Feedbac!

The correct answer is: smooth muscle

Question6

Correct


uestion te't

All o the ollowing are ound in cerebrospinal luid )*C)+T

Select one:a. glucose

b. red blood cells

c. potassium

d. protein

Feedbac!

The correct answer is: red blood cells

Correct


Question7

Correct


uestion te't

The white matter o the spinal cord contains

Select one:a. m"elinated nerve ibers onl"

b. unm"elinated nerve ibers onl"

c. m"elinated and unm"elinated nerve ibers



d. soma that have both m"elinated and unm"elinated nerve ibers

Feedbac!

The correct answer is: m"elinated and unm"elinated nerve ibers

Correct


Question8

Correct


uestion te't

+regnanc" tests used toda" on women>s blood or urine are antibod" tests which detect the presence o

Select one:a. luteinising hormone

b. human chorionic gonadotropin

c. ollicle stimulating hormone

d. growth hormone

Feedbac!

The correct answer is: human chorionic gonadotropin

Correct


Question9

Correct


uestion te't

All o the ollowing are long term stress responses )*C)+T

Select one:a. retention o water and sodium b" !idne"s

b. increased blood volume and blood pressure



c. increased heart rate

d. suppresion o immune s"stem

Feedbac!

The correct answer is: increased heart rate

Correct


Question10

Correct


uestion te't

The ollowing correctl" lists the levels o organi9ation rom least comple' to most comple'

Select one:a. cellular, tissue, chemical, s"stem, organ

b. cellular, tissue, organ, s"stem, organism

Correct well done. Cellular is the least comple' in this list and all the others ollow in the correct order

c. tissue, cellular, organ, s"stem, organism

d. organism, s"stem, tissue, cellular, chemical

Feedbac!

The correct answer is: cellular, tissue, organ, s"stem, organism

Correct


Question11

Correct


uestion te't

An amphiarthrodial /oint is

Select one:



a. reel" moveable

b. slightl" moveable

Correct well done. Amphiarthrodial /oints are slightl" moveable

c. immoveable

d. removeable

Feedbac!

The correct answer is: slightl" moveable

Correct


Question12

Correct


uestion te't

The cells that produce bone matri' and those that reabsorb bone matri' are called

Select one:a. osteoblasts&osteoclasts

Correct well done. The osteoblasts produce bone matri' and the osteoclasts reabsorb bone matri'

b. osteoclasts&ibroblasts

c. osteoc"te&osteoblasts

d. osteoblasts&ibroblasts

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The correct answer is: osteoblasts&osteoclasts

Correct


Question13

Correct

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uestion te't

Basic rele'es

Select one:a. are rapid, predictable, learned responses

b. ma" be modiied b" learned behaviour

Correct well done. Some rele'es can be (over ruled’ b" the higher centres to prevent them rom happening

c. are autonomic onl"

d. are alwa"s mediated b" the brain

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The correct answer is: ma" be modiied b" learned behaviour

Correct


Question14

Correct


uestion te't

Return o blood to the heart is assisted b"

Select one:a. valves in arteries

b. thic! la"er o smooth muscle in arteries

c. l"mphatic drainage

d. valve in veins

Correct well done. 8alves in veins prevent the bac! low o blood awa" rom the heart. ?ith the assistance

o muscle contraction and respirator" movement the valves help return blood to the heart

Feedbac!

The correct answer is: valve in veins

Correct


Question15



Correct


uestion te't

The process o haemopoiesis occurs in

Select one:a. the periosteum

b. "ellow bone marrow

c. endosteum

d. red bone marrow

Correct well done. The red bone marrow is the site o blood cell production also !nown as haemopoiesis

Feedbac!

The correct answer is: red bone marrow

Correct


Question16

Correct


uestion te't

-ormones

Select one:a. are produced b" e'ocrine glands

b. are carried to all parts o the bod" in blood

Correct well done. -ormones are secreted b" endocrine glands into blood which transports the hormone to

it’s target tissue

c. remain at constant concentration in blood

d. aect onl" non7hormone producing organs

Feedbac!

The correct answer is: are carried to all parts o the bod" in blood



Correct


Question17

Correct

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uestion te't

rine passes through the ureters b"

Select one:a. cliliar" action

b. peristalsis

Correct well done. +eristalsis is used to move substances through tubes b" alternate contraction o circular

and longitudinal la"ers o smooth muscle in the wall o the ureter

c. gravit" alone

d. suction

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The correct answer is: peristalsis

Correct


Question18

Correct


uestion te't

The residual volume is the amount o air

Select one:a. remaining in the lungs ater the lungs collapse

b. that can be inhaled above tidal volume

c. remaining in the lung ater a orced e'piration

Correct well done. The residual volume is the amount o air remaining in the lung ater a orced e'piration

d. contained in airspaces above the alveoli



Feedbac!

The correct answer is: remaining in the lung ater a orced e'piration

Correct#ar!s or this submission: $.%%&$.%%.

Question19

Correct

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uestion te't

The process gluconeogenesis is

Select one:a. production o glucose rom ats

b. production o glucose rom carboh"drates

c. production o gl"cogen

d. production o glucose rom proteins

Correct well done. Gluconeogenesis is the production o (new’ glucose rom other sources such as proteins

Feedbac!

The correct answer is: production o glucose rom proteins

Correct


Question20

Correct

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uestion te't

The organ that regulates er"throc"te production is the

Select one:a. brain

b. liver



c. !idne"

Correct well done. The !idne" regulates red blood cell production b" producing er"thropoietin when the red

blood cell number is low. )r"thropoietin stimulates red bone marrow to produce red blood cells

d. pancreas

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The correct answer is: !idne"

Correct


Question21

Correct


uestion te't

?hen the diaphragm contracts

Select one:a. the volume o the chest cavit" decreases

b. the lungs e'pand to ill the e'tra space in the chest cavit"

Correct well done. ?hen the diaphragm contracts the volume o the chest cavit" increases and the lungs

e'pand to ill the e'tra space

c. air rom inside rushes out o the lungs

d. the pressure inside the chest cavit" increases

Feedbac!The correct answer is: the lungs e'pand to ill the e'tra space in the chest cavit"

Correct


Question22

Correct


uestion te't

?orn out red blood cells are removed rom circulation b"



Select one:a. l"mph nodes

b. th"mus

c. tonsils

d. spleen

Correct well done. Red blood cells have a useul lie span o $%% $% da"s ater which the spleen

removes them rom circulation

Feedbac!

The correct answer is: spleen

Correct


Question23

Correct


uestion te't

The percentage o total blood volume occupied b" red blood cells is

Select one:a. red blood cell count

b. hematocrit

Correct well done. A haematocrit determines the percent volume o blood occupied b" red cells. <ormal

values are ;HI J or DI in males and ;I K or D in emales

c. white blood cell count

d. serum

Feedbac!

The correct answer is: hematocrit

Correct


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