Abnormal redness of the skin can be described as
pallor
jaundice
cyanosis
erythema
The Correct Answer is D
Rationale:
A. Refers to paleness of the skin, often caused by decreased blood flow, anemia, or shock. It is not redness.
B. Refers to a yellow discoloration of the skin and eyes, typically caused by liver disease or bile duct obstruction.
C. Refers to a bluish tint of the skin due to low oxygen levels in the blood.
D. Erythema describes abnormal redness of the skin caused by increased blood flow to the capillaries in the dermis, which may occur with inflammation, infection, fever, sunburn, or allergic reactions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"A"}
Explanation
Rationale:
A. Dorsiflexion is the movement of the toes or foot upward toward the shin. It decreases the angle between the dorsum of the foot and the leg.
B. Inversion is turning the sole of the foot inward, so it faces toward the midline of the body.
C. Plantar Flexion is pointing the toes downward, away from the shin, as in standing on tiptoes.
D. Eversion is turning the sole of the foot outward, away from the midline.
Correct Answer is C
Explanation
Rationale:
A. Melanin production protects against ultraviolet (UV) radiation but does not directly prevent bacterial entry.
B. Sensory perception allows detection of touch, pressure, pain, and temperature, but it does not serve as a barrier against pathogens.
C. The skin acts as a physical and chemical barrier, preventing bacteria, viruses, and other pathogens from entering the body. Its intact epidermis, along with secretions such as sweat and sebum, helps maintain this protective function.
D. Filtration is a function associated with organs like the kidneys, not the skin.
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