pretest questions

Why are injections administered in the hypodermis when administering drugs using a hypodermic needle?

There are no vital organs in the region.

The condition that results from clogged sebaceous glands is

acne

The subcutaneous layer consists of

areolar and adipose tissues

What is the composition of the papillary layer of the dermis?

areolar connective tissue

Exposure of the skin to ultraviolet light

can slowly increase melanocyte activity.

Thin skin is defined by the thickness of the

epidermis

The hypodermis

is quite elastic

The protein that contributes to many of the skin's protective qualities is called ________.

keratin

The most severe type of skin cancer is most likely to develop from

melanocytes

Thick skin can be found on the

palms

Which of the following is the function of hair associated with a nerve fiber?

provides an early-warning system that may help prevent injury

A small amount of ultraviolet radiation is beneficial because it ________.

stimulates vitamin D3 synthesis in the epidermis

________ is a pigment found in vegetables that can make skin appear orange or yellow.

Carotene

Nerve fibers in the dermis most likely function in

controlling blood flow to the dermis and epidermis.

Shafts of hair are comprised of

dead keratinized epidermal cells.

The dermis is composed largely of ________.

dense irregular connective

The highly vascular layer of the skin, which provides thermoregulation via changing blood flow, is the

dermis

When the body is overheated, the skin responds by

dilating blood vessels