midterm cj

8/14/2019 Midterm Cj

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1. Inherited inability of an individual to produce melanin

a. Amelanism c. Albinism

b. Anaquaraoism d. NOTA

2. Superficial portion of the Dermis

a. Stratum corneum c. Reticular Regionb. Stratum Basale d. Papillary Region

3. Sweat Glandsa. sebaceous glands c. cerominous glands

b. sudoriferous glands d. NOTA

4. Brown-black pigment that absorbs damaging UVa. Melanin c. melanocyte

b. Keratin d. keratinocyte

5. Stratum Germinativuma. S. Basale c. S. Corneum

b. S. Lucidum d. S. Granulosum6. Corpuscles of touch

a. Free nerve endings

b. Meissners Corpuscles

c. Papillary Corpusclesd. NOTA

7. The substance that prevents excessive evaporation of water from the skin, keepsthe skin soft and pliable, and inhibits the growth of bacteria is

a. Sebum c. cerumenb. Sweat d. carotenee. melatonin

8. Epidermal ridgesa. indicate the predominant direction of the underlying collagen fiber budles

b. increase the grip of the hand and foot

c. provide the pigments of skin color

d. synthesize vitamin D in the epidermis of the skin

9. Which are the follwing are true for hair?

1. provides protection 2.increases efficiency of heat loss3. matrix cells produce growth 4.movement of the shaft activates hair

root plexus 5.prevents dehydration

a. 1,2, and 3 b. 1,2, and 4 c. 1,2,3, and 5

d. 1,3,4, and 5 e. 3,4, and 5

10. The color of hair is due primarily to melanin

a. True B. False


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11. Intercalated discs

a. Cardiac b. Smoothc. Skeletal d. Chondrocytes

12. Basic unit of compact bonea. Lamellae c. Bone salt matrix

b. Osteon d. NOTA

13. Concentric ring of matrix that consist of mineral salts

a. Lamellae c. Bone salt matrix

b. Osteon d. NOTA

14. The major receiving or input portion of the neuron

a. Axon c. Dendrites

b. Ganglia d. nucleus

15. Small spaces between lamellae that contain osteocytes

a. canaliculi c. haversian canal

b. lacunae d. Osteon

16 - 20

a. Fibrocartilage b. Hyaline cartilage c. Elastic Cartilaged. NOTA e. AOTA

16. anterior part of ribs B

17. Ends of long bones B18. Intervertebral Discs A19. External ears C

20. nose B

21. The output portion of the neuron

a. Axon c. Dendritesb. Ganglia d. nucleus

22. Forms the supporting network for the neurons of the CNS and produces themyelin sheath around several adjacent axons

a. Astrocytes c. Ependymal cells

b. Schwann cells d. Oligodendrocytes

23. The ff contains perichondrium EXCEPT

a. Fibrocartilage b. Hyaline Cartilagec. Elastic Cartilage d. NOTA

24. Neuroglia that surrounds the ventricles of the brain

a. microglia b. Ependymal cells


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c. Oligodendrocytes d. Schwann Cells

25. Blood Vessels are found ina. Stratum Basale b. Stratum granulosum

c. Sratum Lucidum d. Stratum corneum e. NOTA

26. Each cell produces part of the myelin sheath around a single axon of a PNS

neuron

a. Astrocytes b. Ependymal cells

c. Schwann cells d. Oligodendrocytes

27. Trabuclae are found in

a. Compact bone tissue b. Spongy bone tissuec. Both A&B d. Neither A & B

28. Number of bones in an adult human

a. 216 b. 206c. 260 d. 2060

29. The epiphyseal plate is found in regions of

a. epiphyses b. diaphyses

c. metaphyses d. articular cartilages

30. Periosteal arteries enters the diaphysis through

a. Lamellae b. Lacunae

c. nutrient formaen d. Volkmanns canal

31. The activity of the epiphyseal plate is the only mechanism by which the diaphysis

can increase in length

a. True b. False

32. Which of the following are the functions of bone tissue and the skeletal system?1. Support 2. excretion 3. assistance in movement 4. mineral

homeostasis 5. blood cell production

a. 1,2, and 3 b. 2,3, and 4 c. 3, 4, and 5

d. 1, 3, 4, and 5 e. 1,2,3,4, and 5

33. Shoulder blade F a. femur

34. collar bone C b. humerus35. leg bone D c. clavicle

36. breast bone E d. tibia

e. sternumf. scapula

g. rib


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37. Lymphoid stem cells begin their development in yellow bone marrow but

complete it in lymphatic tissues; they give rise to lymphocytes

a. True b. False

37. The colony forming units of neutrophils and monocytes are

a. CFU meg b. CFU GMc. CFU E d. CFU T

38. A hemoglobin is consist of a protein called globin plus four non-protein pigmentcalled hemes

a. TRUE b. FALSE

39. Dark band

a. A band b. rubber band

c. I band d. M band

40. Cells that are no longer capable of replenishing themselves and are committed togiving rise to more specific elements of blood. Also referred to as CFUs.

a. Pluripotent Stem cells b. Myeloid stem cells

c. Progenitor cells d. Lymphoid stem cells

41. Fluid that bathes the body cells

a. serum b. hematocritc. plasma d. Interstitial fluid

42. The following are living cells EXCEPTa. RBC b. WBC

c. Platelets d. Both A and B e. NOTA

43. The percentage of total blood volume occupied by RBCs is called

a. Serum level b. CBC

c. Blood Doping d. hemosiderin e. hematocrit

44. The ff are Granular lymphocytes EXCEPT

a. eosinophil b. basophil

c. neutrophil d. NOTA

45. A continuous layer of cells that line the inner surface of the entire cardiovascular

systema. Tunica intima b. Tunica media

c. Tunica externa d. endothelium

46. The lumen of the vein is larger than that of an artery.

a. TRUE b. FALSE

c. im not sure d. im wrong for sure


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47. The blood vessels that function as pressure reservoirs are

a. muscular arteries b. anastomoses

c. elastic arteries d. veins e. arterioles

48. The blood vessel that permits exchange of nutrients,and gasses

a. artery b. capillaryc. vein d. interstitial fluid

49. The right side of the head and neck is supplied bya. right coronary artery b. right common carotid arteryc. left coronary artery d. left common carotid artery

50. The most important method of capillary exchange is simple diffusion

a. TRUE b. FALSE

51. Thin folds of tunica interna of veins that form flaplike cusps

a. desmosomes b. valvesc. fuse d. plug

52. Organs of the lymphatic system include the ff EXCEPT

a. thymus gland b. lymph nodes

c. lymphatic nodules d. spleen e. NOTA

53. Produces pre T-cells and B-cells; found in flat bones and epiphyses of long bones

a. red bone marrow c. Thymus glands

b. lymphatic nodules d. lymph stem cells e. Both A and C

midterm cj

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