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.

Answer and Explanation

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.

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Correct Answer is ["B","C","E"]

Explanation

Choice A reason: Social withdrawal is a negative symptom of schizophrenia, reflecting reduced engagement rather than an excess or distortion of normal function.

Choice B reason: Delusional thinking is a hallmark positive symptom, representing a distortion of reality through fixed false beliefs.

Choice C reason: Bizarre or disorganized behavior, such as unusual movements or incoherent actions, is a positive symptom reflecting disruption in normal functioning.

Choice D reason: Flat affect is a negative symptom, reflecting diminished emotional expression rather than an added or distorted behavior.

Choice E reason: Auditory hallucinations are classic positive symptoms, involving perception of voices or sounds that are not present in reality.

A. Propranolol B. Clonidine C. Alprazolam D. Buspirone E. Clonazepam

Correct Answer is ["C","E"]

Explanation

Choice A reason: Propranolol is a beta-blocker primarily used for performance-related anxiety and physical symptoms like tremors or palpitations. It is not considered first-line or standard treatment for panic disorder.

Choice B reason: Clonidine is an alpha-2 adrenergic agonist used more often for hypertension, withdrawal syndromes, and sometimes ADHD. It is not a recommended pharmacologic option for panic disorder.

Choice C reason: Alprazolam, a benzodiazepine, is effective for acute management of panic attacks by rapidly reducing anxiety. However, it is generally used short-term due to risks of tolerance, dependence, and withdrawal.

Choice D reason: Buspirone is an anxiolytic used mainly for generalized anxiety disorder. It lacks efficacy in panic disorder and is not typically prescribed for it.

Choice E reason: Clonazepam, another benzodiazepine, is often used to manage panic disorder due to its longer half-life compared to alprazolam, making it effective in reducing frequency and severity of panic attacks.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assessing a client diagnosed with schizophrenia who is exhibiting positive symptoms. Which of the following findings should the nurse expect? (Select all that apply.)

Correct Answer is ["B","C","E"]

Explanation

A nurse is caring for a client recently diagnosed with panic disorder. The provider has prescribed pharmacologic treatment. Which of the following medications are commonly used in the treatment of panic disorder? (Select all that apply.)

Correct Answer is ["C","E"]

Explanation

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