Lecture 10: Skin And Body Membranes Cont.

Question 0

Eccrine glands

Answer 0

Produce sweat. Thermoregulation.

Question 1

Apocrine glands

Answer 1

Cause odors, release product into follicles (armpits, nipples, groin)

Question 2

Thermoregulation

Answer 2

Maintaining body temp at near constant value

Question 3

Sensory reception and communication

Answer 3

Pressure and pain receptors alert nervous system to possible damage

Question 4

Excretion and absorption

Answer 4

Sweat glands excrete urea and uric acid

Question 5

Calcitrol

Answer 5

Form of vitamin D

Question 6

Epidermal healing

Answer 6

New epithelial cells cover the wound, signaling that epidermal resurfacing is complete

Question 7

Deep wound healing

Answer 7

Inflammation: blood clot, inflammatory response
Migration: clot scabs, fibroblasts, regrowth if blood vessel
Proliferation: new epithelial a beneath scab
Maturation: scab falls off, epithelials restored

Question 8

Skin cancer

Answer 8

Basal cell carcinoma: least common, most malignant, stratum basale
Squamous cell carcinoma: sun induced, stratum spinosum
Melanoma: often deadly, cancer of melanocytes

Question 9

Depth of burn

Answer 9

1st: damaged and swollen epidermis
2nd: injured epi and upper dermis. Red, painful blisters.
3rd: destroy entire thickness of dermis. Blanched it blackened. Can’t regenerate.