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Exam 5: The Integumentary System

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Question 1

Multiple Choice

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Which is the most abundant and widespread type of sweat gland?

A) eccrine
B) apocrine
C) holocrine
D) endocrine

E) None of the above
F) A) and B)

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Question 2

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The epidermal stem cells that give rise to hair matrix cells are located in a bulge in the ________, near the insertion of the arrector pili muscle.

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external root sheath

Question 3

Multiple Choice

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Tattoos are permanent because

Which layer of the integument are toenails and fingernails derived from?

As a person balds, terminal hair is replaced by vellus.

This stratum ________ of the epidermis contains the greatest number of cellular layers in both thick and thin skin.

Name the location and function of these cells: keratinocytes, tactile epithelial cells, melanocytes, and dendritic cells.

The epidermal layer in which the cells are actively dividing is the ________.

Found in the stratum spinosum, dendritic cells are cells of the ________ system.

An immediate concern with a burn patient is loss of fluids, so fluids must be administered immediately.

The white half-moon visible under the proximal part of a fingernail is the

Most ________ glands open into hair follicles.

Diffusion of chemicals from a transdermal patch must reach what layer of the skin to be effective?

Excessive exposure to ultraviolet radiation (UVR) can lead to skin cancer, but minimal UVR exposure can lead to

Use the diagram above to answer the following questions. -Which letter indicates a specialized sensory receptor?

The epidermis is a keratinized ________ epithelium.

The cells in the skin that store the most melanin granules are

Nutrients enter a hair follicle through the dermal papilla.

Mitosis primarily occurs in one layer of the epidermis, the stratum ________.

List the layers of the epidermis found in thick skin from the deepest layer to the most superficial layer, and provide a few descriptive terms that characterize each layer.