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Hole's Human Anatomy & Physiology, 9/e

David Shier, Washtenaw Community College
Ricki Lewis, The University at Albany
Jackie Butler, Grayson County Community College

Skin and the Integumentary System

True/False Quiz

Please answer all questions


1	The epidermis contains a greater variety of cell types in comparison to the dermis.
		A)	True
		B)	False


2	The dermis has a rich blood supply while the epidermis is totally devoid of blood vessels.
		A)	True
		B)	False


3	The amount of blood supply is directly proportional to the ability of a cell to divide and remain vital.
		A)	True
		B)	False


4	The process of keratinization is directly related to the waterproofing function of the dermis.
		A)	True
		B)	False


5	A decubitus ulcer is a bedsore caused by an infectious agent or toxic organism.
		A)	True
		B)	False


6	Increased exposure to sunlight actually maintains healthy skin and reduces the effects of aging.
		A)	True
		B)	False


7	The dermis of the face contains skeletal muscle fibers that cause the skin to contract during facial gestures.
		A)	True
		B)	False


8	Dark-skinned persons have a higher probability of developing melanomas because they have more melanocytes.
		A)	True
		B)	False


9	Persons who remain indoors frequently may have a higher risk of developing a malignant melanoma than those who are highly exposed to sunlight because of their work or other reasons.
		A)	True
		B)	False


10	Transdermal medications are delivered by inserted a hypodermic needle into the subcutaneous region.
		A)	True
		B)	False


11	The papillary layer of the dermis partially explains the presence of fingerprints in the epidermis.
		A)	True
		B)	False


12	Hair is actually a structure comprised mainly of keratin.
		A)	True
		B)	False


13	Excessive hair growth on regions of the body is alopecia.
		A)	True
		B)	False


14	Albinism is a condition resulting from the genetic inability to produce melanin throughout the body.
		A)	True
		B)	False


15	Sebaceous glands are always associated with each hair follicle.
		A)	True
		B)	False


16	The nail plate is the part of the fingernail, which lies on top of the nail bed.
		A)	True
		B)	False


17	The eccrine sweat glands are located in the axillary areas and respond to emotional upsets.
		A)	True
		B)	False


18	As one ages, the ability to sweat increases as evidenced by increased moisture on the skin of the elderly.
		A)	True
		B)	False


19	The elimination of sweat can have an excretory as well as temperature regulating function.
		A)	True
		B)	False


20	The application of an ice pack is an example of temperature control by means of convection.
		A)	True
		B)	False


21	In order to conserve heat, blood vessels in the skin constrict.
		A)	True
		B)	False


22	Heat exhaustion occurs when the body undergoes excessive sweating on hot, humid days.
		A)	True
		B)	False


23	Regardless of race, all persons, except albinos, have the same relative numbers of melanocytes.
		A)	True
		B)	False


24	Antipyretic drugs are used to treat pyrexia, which is an abnormal drop in body temperature.
		A)	True
		B)	False


25	The white blood cells secrete interleukins, which are known to block the causes of fevers.
		A)	True
		B)	False

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