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Exam 3: The Integumentary System

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Question 21

Multiple Choice

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The skin contains a compound that is converted to _______ when the skin is exposed to ultraviolet rays from the sun.

A) vitamin A
B) vitamin C
C) vitamin E
D) vitamin D

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Question 22

Multiple Choice

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Tiny bundles of _______ muscles contract in response to cold or fear, making the hairs stand up straight and causing "gooseflesh."

A) subcutaneous
B) arrector pili
C) erector spinae
D) epidermal

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Question 23

Multiple Choice

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_______ excrete excess water and some wastes from the body.

Beneath the skin is an underlying _______ layer.

_______, also known as oil glands, are generally attached to hair follicles.

The inner layer of the skin is called the _______.

The subcutaneous layer consists of _______ connective tissue usually containing a lot of adipose tissue.

Fill in the correct labels for the following figure using the word bank below. -C ____________

Blood vessels and nerves are generally absent in the _______ but are found throughout the _______.

Together with its glands, hair, and nails, the skin makes up the _______.

Nails consist mainly of _______.

The _______ is the body's tough, outer protective covering.

Located within the skin, _______ detect touch, pressure, heat, cold, and pain.

New epidermal cells are pushed to the outer sublayer of skin called the _______.

The patterns of ridges and grooves visible on the skin of the soles and palms reflect the arrangement of the _______ elevations beneath.

As _______ of sweat occurs, the body becomes cooler.

Fill in the correct labels for the following figure using the word bank below. -B ____________

_______ is largely responsible for the mechanical strength of the skin.

The part of the hair above the skin surface is the _______.

In _______, an inherited condition that can occur in any person, the cells are not able to produce melanin.