Which of the following is NOT one of the functions of the skin?
Delivers important sensory information about our environmental conditions to our brains.
Holds a portion of the blood's total volume to be shunted (diverted to other organs when needed.)
Gives the body its overall shape, loss of this function can be seen with the drooping of skin with age.
Conducts chemical reactions using the suns energy to initiate vitamin D synthesis.
The Correct Answer is C
A. Delivers important sensory information about our environmental conditions to our brains: The skin contains sensory receptors that detect touch, pressure, temperature, and pain, sending this information to the brain for interpretation.
B. Holds a portion of the blood's total volume to be shunted (diverted) to other organs when needed: The skin’s extensive vascular network can store blood and redirect it to vital organs during times of need, helping regulate blood pressure and thermoregulation.
C. Gives the body its overall shape, loss of this function can be seen with the drooping of skin with age: While the skin contributes to appearance and elasticity, the body’s overall shape is primarily determined by the skeletal system and underlying musculature.
D. Conducts chemical reactions using the sun’s energy to initiate vitamin D synthesis: The skin is essential for the synthesis of vitamin D when exposed to UVB rays from sunlight, which is a critical metabolic function supporting calcium homeostasis and bone health.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. skeletal MT:Skeletal muscle tissue is under voluntary control and is not found in the walls of the uterus. It is primarily responsible for movements of the skeleton rather than involuntary contractions needed for labor.
B. smooth MT:Smooth muscle tissue makes up the bulk of the uterine wall (myometrium) and is responsible for powerful, rhythmic contractions during labor. These contractions are involuntary and essential for expelling the fetus.
C. stratified squamous ET:Stratified squamous epithelium is a protective tissue commonly found in areas exposed to friction, such as the skin and vaginal canal. It does not contribute to the contractile activity of the uterus.
D. elastic cartilage CT:Elastic cartilage provides flexibility and support in structures like the ear and epiglottis. It has no role in uterine structure or the generation of contractions during labor.
Correct Answer is B
Explanation
A. partial thickness:Partial-thickness burns extend into the dermis and can damage nerve endings, causing blisters and more intense pain. They are deeper than burns that affect only the epidermis.
B. First-degree:First-degree burns affect only the epidermis, causing redness, minor swelling, and pain. The deeper dermal structures remain intact, allowing for full recovery without scarring.
C. Second-degree:Second-degree burns involve both the epidermis and part of the dermis. They often produce blisters, severe pain, and potential scarring, making them more severe than first-degree burns.
D. Third-degree:Third-degree burns extend through the epidermis and dermis, potentially affecting underlying tissues. They may appear white, brown, or charred and often result in nerve destruction and permanent tissue damage.
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