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