Choose the best answer.

1			Which one of the following is not a function of the skin?
			A)	protection
			B)	thermoregulation
			C)	Vitamin D synthesis
			D)	excretion of excess water
2			Most of the sensations of the skin are due to nerve endings found in the ________ .
			A)	epidermis
			B)	dermis
			C)	hypodermis
3			Which layer of the epidermis is only found in thick skin?
			A)	stratum basale
			B)	stratum spinosum
			C)	stratum lucidum
			D)	stratum corneum
			E)	stratum granulosum
4			Which layer of the skin is composed of dense, irregular connective tissue?
			A)	epidermis
			B)	papillary layer of the dermis
			C)	reticular layer of the dermis
			D)	hypodermis
5			To minimize scarring a surgeon should make an incision parallel to the tension lines (Langer lines) formed by the collagen bundles in the dermis.
			A)	True
			B)	False
6			The deepest layer of the skin is called the hypodermis.
			A)	True
			B)	False
7			Which tissue or tissues are found especially in the hypodermis?
			A)	areolar and dense irregular connective tissue
			B)	stratified squamous epithelium
			C)	areolar and adipose tissue
8			The distribution of subcutaneous fat is constant over the body.
			A)	True
			B)	False
9			The major contributor to skin color is the pigment hemoglobin.
			A)	True
			B)	False
10			People of different races have different numbers of melanocytes.
			A)	True
			B)	False
11			Erythema is a red color of the skin due to an increased blood flow to the epidermis.
			A)	True
			B)	False
12			Which of the following abnormal colors of the skin may indicate a liver disorder?
			A)	pallor
			B)	albinism
			C)	jaundice
			D)	bronzing
13			Hair can turn white overnight from fright.
			A)	True
			B)	False
14			Which type of hair is coarse and pigmented and forms the eyebrows and eyelashes, scalp hair, axillary and pubic hair, and male facial hair?
			A)	terminal
			B)	lanugo
			C)	vellus
15			Hair cells above the hair bulb are dead.
			A)	True
			B)	False
16			What causes "goosebumps" and the hair standing on end?
			A)	contraction of the dermal papillae
			B)	contraction of the arrector pili
			C)	contraction of the epidermal ridges
17			Which part of the hair cells have pigment granules that are responsible for the color of hair?
			A)	medulla
			B)	cortex
			C)	cuticle
18			Whether the hair is straight, wavy or tightly curled is related to the cross-sectional shape of the hair.
			A)	True
			B)	False
19			Which of the following is the growth zone of the nail that corresponds to the stratum basale of the epidermis?
			A)	nail bed
			B)	nail fold
			C)	eponychium
			D)	nail matrix
20			These numerous glands are found over most of the body and produce a watery sweat that cools the body.
			A)	sebaceous glands
			B)	ceruminous glands
			C)	apocrine glands
			D)	merocrine (eccrine) glands
21			Mammary glands are actually modified merocrine glands.
			A)	True
			B)	False
22			Thermoregulation improves with old age.
			A)	True
			B)	False
23			Which degree of burn results in the complete destruction of the epidermis and dermis and frequently requires a skin graft?
			A)	first-degree burn
			B)	second-degree burn
			C)	third-degree burn