Choose the best answer.

1			A ______________ -degree burn leaves no dermis to regenerate after the injury.
			A)	1st
			B)	2nd
			C)	3rd
			D)	Nth
2			The leading cause of accidental death is __________________.
			A)	traffic injuries
			B)	burns
			C)	falls in the home
			D)	cancers
3			A _____________ -degree burn involves only the epidermis and is marked by redness.
			A)	1st
			B)	2nd
			C)	3rd
			D)	Nth
4			Skin cancer is most often due to exposure to ___________________________.
			A)	radiation
			B)	x-rays
			C)	UV light
			D)	chemicals
5			A common inflammation of the sebaceous glands, especially beginning at puberty is called _______________________.
			A)	warts
			B)	keloids
			C)	polythelia
			D)	acne
6			The aging of the integumentary system involves changes to the __________________.
			A)	hair
			B)	sebaceous glands
			C)	blood vessels
			D)	thermoregulation
			E)	All of the above answers are correct.
			F)	None of the above answers are correct.
7			The epidermis develops from the embryonic layer called the ________________.
			A)	endoderm
			B)	mesoderm
			C)	ectoderm
			D)	integumentoderm
8			These glands are found only in the auditory canal. What are they called?
			A)	Cerumin glands
			B)	Sebaceous glands
			C)	Apocrine glands
			D)	Mammary glands
9			These oil glands are normally associated with hair shafts and provide lubrication for the hair and skin. What are they called?
			A)	Cerumin glands
			B)	Sebaceous glands
			C)	Apocrine glands
			D)	Mammary glands
10			An extra mammary gland or glands that develops along the milk-line is called ________________.
			A)	gynomastia
			B)	hypomastia
			C)	polymastia
			D)	hypermastia
11			The development of flat or spoon-like nails may indicate this condition. What is it called?
			A)	Iron deficiency
			B)	Hypoxemia
			C)	Excessive copper in the diet
			D)	Iodine deficiency
12			Which does NOT match up with the proper hair type?
			A)	Straight = round
			B)	Wavy = oval
			C)	Curly = round
			D)	Kinky = square
13			The piloerector muscles or erector pili normally make the hair stand on end and cause _______________.
			A)	the pupils to dilate
			B)	gray hair
			C)	"goose bumps"
			D)	release of oil from the glands
14			Gray hair is due to the scarcity or absence of __________ in the cortex and presence of _____________ in the medulla.
			A)	water – oil
			B)	oil – water
			C)	melanins – air
			D)	vellus – oil
15			For tactile sensations the hair shaft normally has _________________ associated with it.
			A)	muscle
			B)	oil glands
			C)	keratin
			D)	free nerve endings
16			A total lack of melanin results in a condition called ________________________.
			A)	pallor
			B)	albinism
			C)	erythema
			D)	jaundice