1. The skin protects the underlying organs and tissues from damage because it
A – it is strong and elastic
B – maintains the stability of the internal environment of the body
C) is waterproof
D, contains a lot of receptors
2. Skin takes part in metabolism because
A – it contains receptors
B – it removes metabolic products through it
C – it is strong and resilient
D – it synthesizes vitamin D.
3. Skin protects the body from ultraviolet rays because it
A – it has a lot of fibers
B – it has subcutaneous fatty tissue
C – it has receptors
D – vitamin D is produced
4. The epidermis is formed by
A – muscle tissue
B – epithelial tissue
C – nerve tissue
D – connective tissue
5. Epidermis is located
A – on the surface of the skin
B – under the skin proper
C – at the surface of subcutaneous fatty tissue
D – under subcutaneous fatty tissue
6. Skin surface contains dead horny cells which
A – participate in skin division
B – participate in skin nutrition
C – protect the skin
D – Participates in sweat production
7. The skin itself is formed by
A – muscular tissue
B – epithelial tissue
C – nervous tissue
D – connective tissue
8. Skin itself
A – forms keratinized cells
B – makes the skin supple
C – holds back ultraviolet rays
D – keeps liquids and gases out
9. Grease is produced by
A – sweat glands
B – sebaceous glands
C – receptors
D – lymphatic vessels
10. Salts, water, and urea are removed by
A – receptors
B – hair pouches
C – sebaceous glands
D – sweat glands
11. Fat secreted by the sebaceous glands,
A – removes urea
B – removes excess water
C – makes the skin soft and not wet
D – protects the body from hypothermia
12. Subcutaneous fatty tissue
A – makes the skin supple
B – softens the skin
C – takes part in sweating
D – protects the body from cold, bruises
13. Sweat glands are involved in
A – oxidation of minerals
B – body cooling
C – accumulation of organic substances
D – removal of organic substances
14. Wounds on the surface of the skin are treated with iodine to avoid
A – ingress of soil into wounds,
B – ingress of microorganisms
C – blood loss
D – pain
15. Clean skin is the most important condition for human health because dirt
A – promotes excessive sweating
B – breaks the surface of the skin
C – clogs the ducts of sebaceous and sweat glands
D – facilitates penetration of toxic substances into the skin.
16. The normal temperature of the human body is
A – 41 °С
B – 36-37 °С
C – 35 ° C
D – 37-38°С
17. When the ambient temperature drops, skin vessels
A – they get narrower, more blood flows to the skin.
B – they expand, more blood flows to the skin
C – they narrow, less blood gets to the skin
D – they dilate, less blood flows to the skin
18. As ambient temperature rises, skin vessels
A – they dilate, less blood flows to the skin
B – they contract, less blood flows to the skin
C – they narrow, more blood flows to the skin
D – they expand, more blood goes to skin
19. Dilation of skin vessels
A – decreases heat transfer
B – changes body temperature
C – increases heat production
D – does not affect the heat loss
20. Narrowing of skin vessels
A – does not affect the heat loss
B – decreases heat transfer
C – increases heat dissipation
D – changes the body temperature
Answers
1. А
2. B
3. D
4. B
5. А
6. C
7. D
8. B
9. B
10. D
11. C
12. D
13. B
14. B
15. C
16. B
17. C
18. D
19. C
20. B
