Eyebrow hairs are always shorter than hairs on your head because of ________.

Eyebrow hairs are always shorter than hairs on your head because of ________. 

A) they grow much slower
B) eyebrow follicles are only active for a few months
C) the vascular supply of the eyebrow follicle is one-tenth that of the head hair follicle
D) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length


Answer: B) eyebrow follicles are only active for a few months

Male pattern baldness has a genetic switch that turns on in response to ________.

Male pattern baldness has a genetic switch that turns on in response to ________.

A) age
B) size
C) weight
D) male hormones


Answer: D) male hormones

What is the first threat to life from a massive third-degree burn?

What is the first threat to life from a massive third-degree burn? 

A) infection
B) catastrophic fluid loss
C) unbearable pain
D) loss of immune function


Answer: B) catastrophic fluid loss

Burns are devastating and debilitating because of loss of fluids and electrolytes from the body. How do physicians estimate the extent of burn damage associated with such dangerous fluid loss?

Burns are devastating and debilitating because of loss of fluids and electrolytes from the body. How do physicians estimate the extent of burn damage associated with such dangerous fluid loss? 

A) by measuring urinary output and fluid intake
B) by observing the tissues that are usually moist
C) through blood analysis
D) by using the "rule of nines"


Answer: D) by using the "rule of nines"

In addition to protection (physical and chemical barrier), the skin serves other functions. Which of the following is another vital function of the skin?

In addition to protection (physical and chemical barrier), the skin serves other functions. Which of the following is another vital function of the skin? 

A) It converts modified epidermal cholesterol to a vitamin D precursor important to calcium metabolism.
B) It aids in the transport of materials throughout the body.
C) The cells of the epidermis store glucose as glycogen for energy.
D) It absorbs vitamin C so that the skin will not be subject to diseases.


Answer: A) It converts modified epidermal cholesterol to a vitamin D precursor important to calcium metabolism.

The sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated ________.

The sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated ________. 

A) by high temperatures
B) when the air temperature drops
C) by hormones, especially androgens
D) as a protective coating when one is swimming


Answer: C) by hormones, especially androgens

Apocrine glands, which begin to function at puberty under hormonal influence, seem to play little role in thermoregulation. Where would we find these glands in the human body?

Apocrine glands, which begin to function at puberty under hormonal influence, seem to play little role in thermoregulation. Where would we find these glands in the human body? 

A) in all body regions and buried deep in the dermis
B) beneath the flexure lines in the body
C) in the axillary and anogenital area
D) in the palms of the hands and soles of the feet


Answer: C) in the axillary and anogenital area