Compiled by Oba Mike
Practice without the answers first
1. The following are the components of the integumentary system except:
a. Kidney
b. Skin
c. Apocrine gland
d. Nail
2. The primary role of the integumentary system is:
a. Protection of the body from the external environment
b. Regulation of body temperature
c. Sweating
d. Blood circulation
3. The largest organ in the body is:
a. Liver
b. Skin
c. Brain
d. Kidney
4. Another name for the subcutaneous layer is:
a. Epidermis
b. Dermis
c. Hypodermis
d. Supradermis
5. The skin regulates body temperature by:
a. Removal of dead cells
b. Sweating
c. Production of oil
d. Harboring sensory receptors
6. The dark coloration of the ski is due to a pigment called:
a. Keratin
b. Melanin
c. Haemoglobin
d. Chromadffin
7. The most superficial layer of the skin is:
a. Epidermis
b. Dermis
c. Hypodermis
d. Supradermis
8. The cutaneous membrane is:
a. Skin
b. Nail
c. Hair
d. Pleura
9. Which of these is not a feature of the epidermis?
a. Stratified epithelium
b. Blood vessels
c. Keratinocytes
d. Melanin
10. Thick skin is located in:
a. Eyelid
b. Palms
c. Armpit
d. Scalp
11. The most visible part of the epidermis is:
a. Stratum corneum
b. Stratum basale
c. Stratum germinativum
d. Stratum lucideum
12. Dead cells are mostly found in:
a. Stratum corneum
b. Stratum spinosum
c. Stratum basale
d. Stratum lucideum
13. Which Is absent in thin skin?
a. Stratum basale
b. Stratum spinosum
c. Stratum lucideum
d. Stratum corneum
14. Stem cells are found in:
a. Stratum basale
b. Stratum spinosum
c. Stratum lucideumd. Stratum corneum
15. The Horny layer is:
a. Stratum basale
b. Stratum spinosum
c. Stratum lucideum
d. Stratum corneum
16. Mitosis is more prevalent in:
a. Stratum basale
b. Stratum spinosum
c. Stratum lucideum
d. Stratum corneum
17. Significant apoptosis of keratinocytes begin in:
a. Stratum basale
b. Stratum spinosum
c. Stratum granulosum
d. Stratum corneum
18. A significant feature of the stratum granulosum is:
a. Formation of granular cells
b. Apoptosis
c. Mitosis
d. Necrosis
19. The middle layer of the epidermis is:
a. Stratum basale
b. Stratum spinosum
c. Stratum lucideum
d. Stratum granulosum
20. Which of these cells are absent in the epidermis?
a. Langerhans cells
b. Melanocytes
c. Erythrocytes
d. Merkel cells
21. Immune response in the epidermis is provided by:
a. Keratinocytes
b. Melanocytes
c. Langerhans cells
d. Leucocytes
22. The origin of Langerhans cells is:
a. Red bone marrow
b. Spleen
c. Liver
d. Kidney
23. The most abundant epidermal cells are:
a. Melanocytes
b. Keratinocytes
c. Merkel cells
d. Langerhans cells
24. The chief function of keratin is:
a. Protection from abrasion
b. Touch sensation
c. Protection from ultraviolet radiation
d. Sensory sensation
25. The deepest layer of the epidermis contain:
a. Squamous cells
b. Cuboidal cells
c. Columnar cells
26. The stratum germinativum is the:
a. Basal layer
b. Apical layer
c. Horny layer
d. Middle layer
27. The transition from the metabolically active strata to less active osnes occur at stratum:
a. Basale
b. Corneum
c. Lucideum
d. Granulosum
28. Which of these strata is absent in the thigh?
a. Stratum basale
b. Stratum granulosum
c. Stratum spinosum
d. Stratum lucideum
29. Presence of non-nucleated cells is a feature of:
a. Stratum basale
b. Stratum spinosum
c. Stratum Granulosum
d. Stratum corneum
30. Cells of the horny layer are:
a. Squamous
b. Cuboidal
c. Columnar
d. Transitional
31. Oil secretory cells in the skin form the:
a. Sebaceous glands
b. Sweat glands
c. Apocrine glands
d. Sudoriferous glands
32. A condition that causes yellowing of the skin is called:
a. Jaundice
b. Albinism
c. Cyanosis
d. Erythema
33. A major difference between the epidermis and dermis is _______
a. Presence of nutrients
b. Presence of vascular bundles
c. Presence of hair
d. Degree of sensation
34. The papillary layer is found in:
a. Epidermis
b. Dermis
c. Hypodermis
d. Subcutaneous
35. Accessory structures of the skin such as glands and hair follicles are located in:
a. Epidermis
b. Dermis
c. Hypodermis
d. Hyperdermis
36. The skin, hair and nails are waterproof due to a protein produced by:
a. Melanocytes
b. Keratinocytes
c. Tactile cells
d. Dendritic cells
37. The pigment responsible for dark skin coloration is:
a. Melanin
b. Keratin
c. Chromaffin
d. Chlorophyll
38. The degree of burns in adults is estimated using:
a. Machines
b. Age
c. Rule of nine
d. None of the above
39. All are skin disorders except:
a. Scar
b. Mole
c. Acne
d. Infertility
40. Which is not a skin derivative?
a. Hair
b. Nail
c. Sweat gland
d. Nose
41. An epithelial layer of the skin is:
a. Epidermis
b. Dermis
c. Hyperdermis
d. Hypodermis
42. A connective tissue layer of the skin is:
a. Epidermis
b. Dermis
c. Hypodermis
d. Hyperdermis
43. Which of these statements is incorrect?
a. The epidermis is thicker than the dermis
b. Keratinocytes are located in the epidermis
c. The dermis contains blood vessels and nerves.
d. The hypodermis is not part of the skin
44. In cattle, leather is a dry product of:
a. Epidermis
b. Dermis
c. Hypodermis
d. The entire skin
45. Fingerprints are formed by:
a. Dermal papillae
b. Epidermal ridges
c. Dermal ridges
d. Epidermal papillae
46. The dermal layer attached to the subcutaneous tissue is:
a. Horny layer
b. Papillary layer
c. Reticular layer
d. Hypodermal layer
47. The subcutaneous tissue is composed mainy by:
a. Fat
b. Keratin
c. Melanin
d. Keratohyalin
48. Tattoo pigments are usually deposited into the:
a. Epidermis
b. Dermis
c. Hypodermis
d. Subcutaneous tissue
49. The superficial part of the hair is:
a. Root
b. Follicle
c. Shaft
d. Medulla
50. A structural cause of gray hair is:
a. Old age
b. Decrease melanin
c. Stress
d. Heredity
Answers
1. A
2. A
3. B
4. C
5. B
6. B
7. A
8. A
9. B
10. B
11. A
12. A
13. C
14. A
15. D
16. A
17. C
18. B
19. D
20. C
21. C
22. A
23. B
24. A
25. B
26. A
27. D
28. D
29. D
30. A
31. A
32. A
33. B
34. B
35. B
36. B
37. A
38. C
39. D
40. D
41. A
42. B
43. A
44. B
45. B
46. C
47. A
48. B
49. C
50. B
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