LECTURE 2

Question 0

Malassezia globose lives on scalp and accelerates sloughing-off of cells in stratum corundum. What condition can this fungus cause?

Answer 0

Dandruff

Question 1

What symptoms might a loss lamellar granules cause?

Answer 1

• Dry, inflexible skin that cracks instead of folds
• patient susceptible to infections and dehydration
• extreme case: harlequin-type ichthyosis

Question 2

Which layer if the skin would be affected first in a patient taking a drug that inhibits cell division?
A) stratum corneum
B) stratum lucidum
C) stratum spinosum
D) stratum basale

Answer 2

D) stratum basale

Question 3

The principle role of keratin is to provide a waterproof layer
A) true
B) false

Answer 3

A) true

Question 4

The principle role of melanin is to shield the nucleus from damage by ultraviolet radiation
A) true
B) false

Answer 4

A) true

Question 5

What are finger prints a copy of?
A) dermal papillae
B) epidermal papillae
C) dermal ridges
D) epidermal ridges

Answer 5

D) epidermal ridges

Question 6

Extreme stretching of the skin can tear the dermis. What are the resulting scars called?

Answer 6

Stretch marks

Question 7

What would it look like if some of a persons melanocytes died in patches?

Answer 7

• White patches

- this condition is called vitiligo

Question 8

What us it called when the skin looks yellow?

Answer 8

Jaundice liver is dysfunctional

Question 9

A female patient with excessive facial hair growth may have which of the following ailments?
A) excessive estrogen secretion from the ovaries
B) inadequate secretion of insulin from the pancreas
C) inadequate secretion of thyroid hormone
D) excessive secretion of androgens from an adrenal tumor

Answer 9

D) excessive secretion of androgens from an adrenal tumor

Question 10

What happens when the cuticle at the top of a hair wears away

Answer 10

Split ends

Question 11

In some men, testosterone causes the growth phase to be so short, hairs can’t even emerge out of the skin before they are shed. What is this condition called?

Answer 11

Male-pattern baldness

Question 12

Why do you get sweaty when you are nervous?

Answer 12

The sympathetic nervous system stimulates the eccrine and apocrine sweat glands

Question 13

The most predominant type of sweat gland, the eccrine sweat gland, plays a role in body temperature regulation
A) true
B) false

Answer 13

A) true

Question 14

What kind of gland are sebaceous glands
A) apocrine glands
B) Holocene glands
C) merocrine glands

Answer 14

B) Holocene glands

Question 15

Apocrine glands

Answer 15

Accumulate products inside them. Then apex of cell pinches off releasing secretory granules and small amount of cytoplasm

Question 16

Holocene glands

Answer 16

Accumulate products within themselves until rupture

Question 17

Merocrine glands

Answer 17

Secrete products by executors is

Question 18

Acne occurs when a certain gland is inflamed. Which one?
A) apocrine sweat
B) ceruminous
C) eccrine
D) sebaceous

Answer 18

D) sebaceous

Question 19

Which of the following types of skin cancer is the most dangerous?
A) basal cell
B) squamous cell
C) melanoma
D) all are equally dangerous

Answer 19

C) melanoma