IPHY 3410-001 Instructor: Dr. Leif Saul Fall 2011

Practice Questions for Exam 1

NOTE: these questions are intended for practice only. They do not reflect all major topics covered in the lectures.

1. Cilia occur in or on:
A. epithelium of upper respiratory tract
B. epithelium of kidney tubules
C. goblet cells
D. A and B
E. A and C

2. The blood is an example of _______ because _________________:
A. connective tissue; it is composed of cells and matrix.
B. an organism; it is composed of multiple organ systems
C. muscle tissue; it is capable of movement
D. organ; it is composed of multiple tissues
E. organ system; it is composed of multiple organs

3. Proteoglycans
A. Contain protein
B. Contain sugar with nitrogen
C. Contain lipid
D. A and B
E. All of the above.

4. Which of the following is NOT found in the epidermis?
A. Immune cells
B. Desmosomes
C. Mitochondria
D. Sensory cells
E. All of the above are found in the epidermis

5. The alveolar sacs (surface responsible for gas exchange) in the lungs are lined with _____________ epithelium.
A. stratified squamous
B. simple squamous
C. simple columnar
D. pseudostratified columnar
E. transitional

6. Which of the following is/are vascularized?
A. Bone tissue.
B. Epidermis.
C. Mature cartilage.
D. All of the above.
E. a and c only.

7. Elastic cartilage is found in:
A. Artery walls.
B. Costal cartilage.
C. Trachea.
D. Meniscus of knee joint.
E. None of the above.

8. Epithelia give rise to
A. Sebaceous glands
B. Sweat glands
C. Hair follicles
D. All exocrine glands
E. All of the above

9. In compact bone,
A. osteocytes are found embedded within Volkmann's canals.
B. lacunae are connected with each other by canaliculi.
C. blood vessels travel through bone matrix via canals called lacunae.
D. lamellae from different osteons are connected by Haversian canals.
E. Volkmann's canal runs through the central portion of each osteon.

10. The type of membrane that covers the outside (superficial) surface of the major visceral organs is called the:
A. mucous membrane.
B. serous membrane.
C. glandular membrane.
D. squamous membrane.
E. none of the above.

11. The curliness of a hair is primarily a consequence of
A. The cross-sectional shape of the hair.
B. The amount of melanin in the hair.
C. The growth rate of the hair.
D. Secretions of the sebaceous glands.
E. The activity of the arrector pili.

12. Endochondral formation of a long bone
A. Continues in the epiphyseal plates throughout your life
B. Involves bone cells dying and being replaced by cartilage cells
C. Is completed prior to birth
D. Involves producing new bone tissue at the articular cartilages
E. Involves secreting bone matrix on calcified cartilage

13. Which of the following is/are effective at resisting tension (pulling) forces:
A. Intermediate filaments
B. Collagen
C. Keratin
D. All of the above
E. None of the above

14. Which epidermal layer is absent in thin skin?
A. stratum spinosum
B. stratum granulosum
C. stratum corneum
D. stratum lucidum
E. stratum basale

15. Which is descriptive of the dermis?
A. contains blood vessels
B. contains oil glands
C. contains elastic fibers
D. A and C
E. All of the above

16. Hyaline cartilage can be found in the:
A. articular surface of epiphysis.
B. epiphyseal line.
C. epiglottis.
D. external ear.
E. A and B.

17. Adipose tissue can be found in:
A. epidermis
B. dermis
C. hypodermis
D. basement membrane
E. stratum corneum

18. Suppose you are constructing a new epithelium. You take a layer of squamous cells, and on its apical surface you place a layer of columnar cells. According to the rules for naming epithelia, this would be a:
A. Stratified columnar epithelium
B. Stratified squamous epithelium
C. Transitional epithelium
D. Simple columnar epithelium
E. Simple squamous epithelium

19. Most of the bones of the skeleton are formed by:
A. intramembranous bone formation.
B. cartilaginous bone formation.
C. periosteal bone formation.
D. endochondral bone formation.
E. appositional bone formation.

20. A thermometer breaks, and you unwisely handle the exposed liquid mercury, which passes through your skin and reaches your blood. Which of the following MUST the mercury pass through on its way to the blood?
A. Hypodermis
B. Stratum lucidum
C. Endothelium
D. B and C
E. All of the above

21. Which of the following tissue types has the greatest capacity for regeneration and proliferation?
A. Epithelium.
B. Connective tissue.
C. Nervous tissue.
D. Muscle tissue.
E. Collagen tissue.

22. Which of the following is (are) found in spongy bone?
A. Osteoid.
B. Osteon.
C. Central canal.
D. All of the above.
E. A and B.

23. Collagen is a significant component of:
A. The ground substance in bone
B. The fibrous component of bone
C. Stratified squamous epithelium
D. A and B
E. None of the above

Questions 24 and 25 refer to the diagram below which shows two different types of bone tissue, emphasizing the distribution of osteocytes (shown as ovals).

24. You can tell that Tissue A is:
A. Woven bone, because there are no trabeculae.
B. Spongy bone, because there are no osteons.
C. Compact bone, because there are no canaliculi.
D. Woven bone, because there are no lamellae.
E. Spongy bone, because there are trabeculae.

25. Tissue A will be a significant component of an:
A. Endochondral bone, prior to formation of a periosteum.
B. Endochondral bone, in regions where the cartilage is calcified.
C. Intramembranous bone, before remodeling to form mature bone tissue.
D. Intramembranous bone, after chondrocytes die.
E. Intramembranous bone, prior to secretion of osteoid.

26. The ground substance of all cartilage:
A. Is mostly water
B. Contains glycosaminoglycan, which attracts water
C. Contains elastic fibers
D. A and B
E. All of the above

27. What do areolar connective tissue, reticular connective tissue, and adipose tissue have in common?
A. They are all specialized for defense against pathogens
B. They are all highly resilient to compressive forces
C. They are all loose connective tissues
D. They are all found in the skin
E. They are all non-vascularized tissues

28. Distraction osteogenesis is
A. A method of lengthening bones
B. A method of increasing bone density
C. The pathological production of excess bone matrix
D. The pathological production of disorganized bone tissue
E. The conversion of compact bone into spongy bone

29. You are shrunk down to microscopic size, magically transported into the body of your roommate, and find that your feet are standing on the apical surface of a mesothelium, and the rest of your body is surrounded by fluid. The fluid is:
A. The interstitial fluid of an areolar connective tissue.
B. The mucus lining on the mucosa of a hollow organ.
C. Serous fluid, which is produced mainly by secretion.
D. A filtrate of blood.
E. Blood plasma.

30. Merkel cells are found in the:
A. Stratum spinosum
B. Stratum corneum
C. Stratum lucidum
D. Stratum granulosum
E. Stratum basale

31. Osteoclasts
A. Are more active than osteoblasts in the condition known as osteomalacia
B. Are more active than osteoblasts in the condition known as Paget's disease
C. Are confined within lacunae
D. Play an important role in the remodeling of bone tissue
E. None of the above

32. A synostosis consists of
A. A joint that is completely immovable
B. A joint that is slightly movable
C. Two bones that are joined by cartilage
D. Two cartilages that are joined by bone
E. None of the above

33. In the idealized diagram of body cavities and membranes that was presented in class, which of the following lists layers and/or spaces in correct order, from superficial to deep?
A. Visceral serosa, parietal serosa, mucosa
B. Cutaneous membrane, mucous membrane, visceral serosa
C. Parietal serosa, lumen, visceral serosa
D. Mucous membrane, parietal serosa, cutaneous membrane
E. Serous cavity, visceral serosa, mucosa

ANSWERS

1 A
2 A
3 D
4 E
5 B
6 A
7 E
8 E
9 B
10 B
11 A
12 E
13 D
14 D
15 E
16 A
17 C
18 A
19 D
20 C
21 A
22 A
23 B
24 D
25 C
26 D
27 C
28 A
29 D
30 E
31 D
32 E
33 E

Last modified: September 19, 2011
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