A patient with a tumor compressing the hypothalamus presents with fluctuating body temperature, excessive thirst, frequent urination, and disrupted sleep-wake cycles. Which of the following best explains the role of the hypothalamus related to these symptoms?
Stores long-term memories and emotional responses.
Controls voluntary muscle movements and reflexes.
Processes sensory input from the environment and initiates motor responses.
Regulates homeostasis.
The Correct Answer is D
Choice A reason: Long-term memory and emotional responses are primarily associated with the limbic system, particularly the hippocampus and amygdala, not the hypothalamus.
Choice B reason: Voluntary muscle control and reflexes are coordinated by the motor cortex and spinal cord, not the hypothalamus.
Choice C reason: Processing sensory input and initiating motor responses are functions of the thalamus and cerebral cortex. The hypothalamus is not directly responsible for this role.
Choice D reason: The hypothalamus regulates homeostasis, including body temperature, thirst, fluid balance, circadian rhythms, and hormone release. A tumor compressing this area explains the patient’s symptoms.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Offering information is supportive, but this does not address the spouse’s emotional needs or encourage discussion about the client’s values.
Choice B reason: Calling a chaplain might be supportive later, but it avoids addressing the spouse’s statement directly and risks shifting responsibility away from the nurse.
Choice C reason: Reassurance without exploring the client’s and family’s values minimizes the spouse’s need for deeper reflection and personal decision-making.
Choice D reason: Encouraging the spouse to reflect on the client’s beliefs and values promotes autonomy and supports decision-making that honors the client’s wishes, making it the most therapeutic response.
Correct Answer is A
Explanation
Choice A reason: The nurse’s role is to advocate for the client by collaborating with the healthcare team and ensuring the guardian respects the client’s best interests and personal preferences. This balances autonomy and protection.
Choice B reason: While explaining changes in decision-making is part of education, focusing only on the loss of control without emphasizing advocacy may increase fear and distress.
Choice C reason: Avoiding communication violates therapeutic principles and disregards the client’s dignity. Even if incapable of informed consent, clients should remain included in discussions.
Choice D reason: Treatment cannot proceed without proper consent unless there is an emergency. Acting before guardianship is finalized would violate legal and ethical standards.
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