A nurse is assisting with teaching a class about the function of cells in the epidermis. The nurse should include that which of the following cells determine skin color?
Keratinocytes
Melanocytes
Merkel cells
Langerhans cells
The Correct Answer is B
A. Keratinocytes are the most abundant cells in the epidermis, responsible for producing keratin, which strengthens skin but does not determine skin color.
B. Melanocytes produce melanin, the pigment responsible for skin color. They play a key role in protecting the skin from ultraviolet radiation.
C. Merkel cells are mechanoreceptors involved in touch sensation and do not influence pigmentation.
D. Langerhans cells are part of the immune system, aiding in the detection and presentation of pathogens, with no role in pigmentation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. "Being with" involves offering emotional support.
B. "Knowing" refers to understanding and comprehending the client's needs, feelings, and concerns.
C. "Enabling" involves helping the client cope with changes.
D. "Doing for" involves performing actions on behalf of the client.
Correct Answer is A
Explanation
A. Unprofessionalism: Leaving a computer terminal unattended after logging on is a breach of professional conduct, as it compromises client confidentiality.
B. Defamation of character: This involves making false statements about someone that damage their reputation, which is not relevant in this case.
C. Negligence: Negligence involves failing to meet the standard of care, but leaving an unattended computer is primarily an issue of professional behavior.
D. Malpractice: Malpractice involves professional negligence that results in harm to a client, which is not directly applicable here.
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