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Midterm flashcards > GZOO Intro & Functions of Skin > Flashcards

GZOO Intro & Functions of Skin Flashcards

1
Q

Two distinct regions of the skin

A

Epidermis, dermis

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2
Q

Integument means ___

A

Skin

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3
Q

Main function of skin

A

Protection

The skin is the first line of defense against bacteria, virus, harmful UV rays, dehydration, etc.

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4
Q

Sensory receptors of the skin

Warmth/heat

A merkels disc
B free nerve endings
C ruffinis corpuscle
D Krause's corpuscle
E paccinian corpuscle
F meisner's corpuscle
A

Warmth/heat - c ruffinis corpuscle

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5
Q

Sensory receptors of the skin

Pain (which normally affects second layer of the skin)

A merkels disc
B free nerve endings
C ruffinis corpuscle
D Krause's corpuscle
E paccinian corpuscle
F meisner's corpuscle
A

Pain - b free nerve endings

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6
Q

Sensory receptors of the skin

Deep pressure (including third degree burns that affect all 3 layers of the skin)

A merkels disc
B free nerve endings
C ruffinis corpuscle
D Krause's corpuscle
E paccinian corpuscle
F meisner's corpuscle
A

Deep pressure - e paccinian corpuscle

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7
Q

Sensory receptors of the skin

2 skin receptors that respond to light touch

A merkels disc
B free nerve endings
C ruffinis corpuscle
D Krause's corpuscle
E paccinian corpuscle
F meisner's corpuscle
A

Light touch - A merkels disc, F meisner’s corpuscle

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8
Q

Sensory receptors of the skin

Cold

A merkels disc
B free nerve endings
C ruffinis corpuscle
D Krause's corpuscle
E paccinian corpuscle
F meisner's corpuscle
A

Cold - d krause’s corpuscle

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9
Q

Functions of skin

A
  1. Protection
  2. Sensation
  3. Secretion
  4. Excretion
  5. Respiration
  6. Prevention of excessive loss of body fluid
  7. Associated with Vitamin D synthesis
  8. Thermoregulation or Regulation oof Body Temperature
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10
Q

True or false

Respiration through the skin or cutaneous respiration is possible in humans.

A

False.

Earthworms and frogs can respire through their skin but humans can’t.

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11
Q

We need to drink enough water before excretion of urine because of _____.

A

Homeostasis

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12
Q

Bones will not be able to absorb calcium without

A Vitamin A
B Vitamin B complex
C Vitamin C
D Vitamin D

A

Bones will not be able to absorb calcium without d VITAMIN D.

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13
Q

Humans are (endothermic, exothermic).

A

Endothermic

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14
Q

If the environment is too hot, dermal blood vessels ____. If the environment is too cold, dermal blood vessels ____.

A dilate, constrict
B constrict, dilate

A

A. Hot - dilate, vessels carry more blood to surface so heat can escape
Cold - constrict, prevents heat from escaping

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15
Q

In thermoregulation, when it is too cold, ____ happens while when it is too hot, ____ happens.

A Vasodilation, Vasoconstriction
B Vasoconstriction, Vasodilation

A

B Vasoconstriction - too cold

Vasodilation - too hot

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Midterm flashcards (8 decks)

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