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Exam 5: Integumentary System

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Question 31

Multiple Choice

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Which describes the skin's form and function?

A) A barrier
B) Indicator of health
C) Washable
D) Self-renewing
E) All of the choices are correct.

F) None of the above
G) C) and D)

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Question 32

Multiple Choice

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During the development of the fetus,which must be present before hair can form?

A) Hair follicles
B) Vernix caseosa
C) Lanugo
D) Vellus
E) None of these answers are correct as they all will appear after the formation of scalp hair.

F) D) and E)
G) A) and B)

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Question 33

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Most of the nail body appears pink because of the blood in the underlying capillaries.

The police science of fingerprinting takes advantage of the unique pattern of ________ ridges found on human fingers,toes,palms,and soles.

The mammary glands of the breasts are modified ______ sweat glands.

Which of these are functions of hair? A: Sensory reception B: Heat retention C: Pheromone dispersal D: Protection E: Visual identification

Which actions happen in the stratum granulosum? A: Keratinization B: Cell flattening C: Plasma membranes thicken D: Plasma membranes become less permeable

-Which number indicates the reticular layer of the dermis?

Freckles are the result of

Another name for the skin is the _________ membrane.

Fingernails and toenails start to form in the ______ week of development.

Collagen fibers impart tensile strength to our skin while ______ fibers allow for some stretch and contraction in the dermis during movement.

A ______,also called a mole,is a harmless,localized overgrowth of melanin-forming cells.

The stratum _________ derives its name from the spiny appearance of the "bridges" that connect neighboring cells.

The epidermal ridges and dermal ________ increase the area of contact between the epidermis and dermis to help connect these layers.

The cells of the hair follicle walls are organized into ______ (number)principal concentric layers.

The thickness of the skin as a cover is consistent throughout the body.

The skin consists of different tissue types that perform specific activities and therefore is to be considered an organ.

When the body is too warm,dermal blood vessels will undergo _______ in order to increase heat loss.

From deep to superficial,the order of the strata of the epidermis is