BIOL 237

Sample Test 1B

[Answers]

Choose the best answer in each case. Do not use singular/plural forms or articles to determine your answer. In matching groups answers may be used more than once unless otherwise noted.

1 through 5 Matching: Use each answer once only.

(A) elastic connective tissue, (B) fibrous connective tissue, (C) fibrocartilage,

(D) hyaline cartilage, (E) areolar connective.

1. Produces the articular cartilage found at the ends of bones.

2. Found in the intervertebral disks.

3. The tissue which allows arteries to have flexible walls.

4. The best vascularized of the tissues listed above.

5. The tissue which makes up tendons and ligaments.


Questions 6 through 10 utilize letters from the diagram of the epidermis shown below:



6. This layer is present only in the thick skin of palms and soles.

7. This layer constantly undergoes mitosis.

8. The cells of this layer are connected laterally by desmosomes to resist pulling apart.

9. This layer exfoliates and becomes thicker with constant pressure.

10. The stratum basale.



11. Consumption of saturated fats in the diet leads to in the arteries.

(A) high density lipoproteins and the presence of fatty plaque,

(B) high density lipoproteins and lack of fatty plaque,

(C) low density lipoproteins and the presence of fatty plaque,

(D) low density lipoproteins and lack of fatty plaque.


Questions 12 through 16 utilize the diagram of cell membrane below























12. #5 and #10 indicate:

(A) integral proteins, (B) peripheral proteins, (C) the glycocalyx,

(D) phospholipid bilayer, (E) hydrophobic portion.

13. #3 indicates:

(A) integral proteins, (B) peripheral proteins, (C) the glycocalyx,

(D) phospholipid bilayer, (E) hydrophobic portion.

14. The hydrophilic portions of lipid molecules are shown by:

(A) 1, (B) 2, (C) 3, (D) 4, (E) 9.

15. Water soluble molecules would pass through an area such as:

(A) 1, (B) 2, (C) 5, (D) 7, (E) 8.

16. The molecules of the glycocalyx would be ones such as:

(A) 1, (B) 2, (C) 3, (D) 5, (E) 9.

17. The relationship between the alpha-helix structure of proteins and their function as structural components in tendons and ligaments is described as:

(Note: the question is asking for the relationship between these, not the quality of being an alpha helix.)

(A) negative feedback, (B) principle of complementarity,

(C) secondary level of protein structure, (D) all of the above, (E) B and C only.

18. The control mechanism maintaining the normal level of a substance or process in would be:

(A) negative feedback, (B) positive feedback.

19. Which type of feedback would usually oppose homeostasis?

(A) negative feedback, (B) positive feedback.


20 through 24 Matching: Match the structure listed with the living function it performs.

(A) movement, (B) digestion, (C) excretion, (D) maintaining boundaries,

(E) metabolism.

20. Lysosome

21. Plasma membrane

22. Vesicles

23. Centrioles

24. Mitochondrion


25, 26. Cells of the liver would use the process (25) to make proteins from (26) .

(A) hydrolysis, (B) dehydrolysis,

(C) glycerides, (D) amino acids, (E) glycosaminoglycans.


27 through 31 Matching: Use each answer only once.

(A) collagen, (B) keratin, (C) glycosaminoglycans, (D) reticular protein,

(E) phospholipids.

27. Substance which gives cartilage its semi-liquid consistency.

28. The protein critical to the fibers found in fibrous connective tissue (dense regular).

29. The protein which produces the intermediate fibers found in desmosomes.

30. The major ingredient in the cell's fluid matrix.

31. Forms the fibers in the endoskeleton or stroma of organs.


32. The respiratory tract is lined with:

(A) simple columnar epithelium, (B) pseudostratified ciliated columnar epithelium,

(C) transitional epithelium, (D) simple cuboidal epithelium, (E) serous membrane.

33. A shoulder separation usually involves a tearing of the fibrous tissue which connects the:

(A) sternum and clavicle, (B) clavicle and scapula, (C) scapula and humerus.

34. The is often cartilaginous in adults.

(A) manubrium, (B) body of sternum, (C) coccyx, (D) os coxae, (E) xiphoid process.

35. The sacrum is composed of vertebrae which have fused.

(A) 3, (B) 5, (C) 7, (D) 12.

36. Paranasal sinuses are found in each of the following bones except:

(A) frontal, (B) sphenoid, (C) nasal, (D) maxilla, (E) ethmoid.

37. The mastoid process is an important muscle attachment site on the bone.

(A) maxillary, (B) temporal, (C) zygomatic, (D) occipital, (E) sphenoid.

38. The occipital condyles articulate with the:

(A) tibia, (B) atlas, (C) axis, (D) olecranon.

39. The last fontanel to ossify does so at about years of age.

(A) 1.5 to 2, (B) 18-19, (C) 20-22.


Questions 40 through 44 utilize letters from diagram below:

40. The interstitial lamellae.

41. Called the haversian system or osteon.

42. Contains blood vessels in a living bone.

43. The canaliculi.

44. Space containing the osteocytes in living bone.

45. The tissue shown at left would typify:

(A) cortical bone, (B) cancellous bone.

46. The tissue shown at left would be produced by:

(A) endochondral ossification,

(B) intramembraneous ossification.

47. The tissue type found lining the stomach and intestines:

(A) simple columnar epithelium, (B) pseudostratified ciliated columnar epithelium,

(C) transitional epithelium, (D) simple cuboidal epithelium, (E) serous membrane.

48. Goblet cells are functionally important to:

(A) synovial membranes, (B) mucous membranes, (C) joints,

(D) A and C, (E) B and C.

49. Stretchable tissue in the urinary bladder is made of:

(A) simple columnar epithelium, (B) pseudostratified ciliated columnar epithelium,

(C) transitional epithelium, (D) simple cuboidal epithelium, (E) serous membrane.

50. The superior and middle nasal conchae are part of the:

(A) ethmoid bone, (B) nasal bones, (C) sphenoid bone, (D) maxilla, (E) palatine bone.

Answers
1 D 11 C 21 D 31 D 41 A
2 C 12 B 22 C 32 B 42 D
3 A 13 C 23 A 33 B 43 B
4 E 14 B 24 E 34 E 44 C
5 B 15 E 25 B 35 B 45 A
6 B 16 C 26 D 36 C 46 A
7 E 17 B* 27 C 37 B 47 A
8 D 18 A 28 A 38B 48 B
9 A 19 B 29 B 39 A 49 C
10 E 20 B 30 E 40 E 50 A


*See question.