PMED CH 31 EXAM QUESTIONS & ANSWERS 2024/2025
The MOST significant immediate threat to a patient with a soft-tissue injury is:
A) nerve damage.
B) infection.
C) disfigurement.
D) hemorrhage. - ANSWERSD
The skin is also referred to as the:
A) melanin.
B) integument.
C) epithelium.
D)...
The MOST significant immediate threat to a patient with a soft-tissue injury is:
A) nerve damage.
B) infection.
C) disfigurement.
D) hemorrhage. - ANSWERSD
The skin is also referred to as the:
A) melanin.
B) integument.
C) epithelium.
D) collagen. - ANSWERSB
All of the following are functions of the skin, EXCEPT:
A) providing the immune response for the body.
B) protecting the underlying tissue from injury.
C) sensing changes in the external environment.
D) assisting in the regulation of body temperature. - ANSWERSA
The outermost layer of the epidermis:
A) consists of nonliving cells that are continuously being shed.
B) is a tough, highly elastic layer than contains melanin granules.
C) contains numerous fibroblasts that secrete collagen and elastin.
D) is comprised of living cells that give rise to the stratum corneum. - ANSWERSA
, _________ is a fibrous protein that gives the skin high resistance to breakage under mechanical stress.
A) Fibrin
B) Elastin
C) Collagen
D) Melanin - ANSWERSC
When the ambient temperature is high:
A) the dermis produces less collagen, which temporarily decreases the skin's ability to retain warmth.
B) blood vessels in the dermis dilate, which increases blood flow to the skin and allows heat to dissipate.
C) sweat glands in the epidermis produce sweat, which is evaporated from the skin surface by the air.
D) constriction of the vessels in the dermis brings warm blood to the surface of the skin, where it is
eliminated. - ANSWERSB
Physical injury to the skin:
A) causes a decrease in the production of macrophages and lymphocytes, thus increasing the risk of
infection.
B) commonly destroys the stratum corneum, the deep dermal layer of the skin, and causes nerve
damage.
C) promotes cutaneous vasoconstriction, which shunts blood away from the injury and manifests as
pallor around the injury site.
D) triggers mast cells to degranulate and synthesize special chemical mediators, which causes the injured
area to become warm and red. - ANSWERSD
The skin helps regulate body temperature through:
A) peripheral vasodilation, which shunts cool blood to the core of the body.
B) the production of sweat, which is evaporated from the surface of the skin.
C) increased elastin production, which provides insulation to the epidermis.
D) cutaneous vasoconstriction, which brings warm blood to the skin's surface. - ANSWERSB
Which of the following substances is produced in the dermis and keeps the skin supple so that it doesn't
crack?
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