Which statement concerning the areas of the brain is true?
The cerebellum is the center for speech and emotions
The hypothalamus controls body temperature and regulates sleep
Motor pathways of the spinal cord and brainstem synapse in the thalamus
The basal ganglia are responsible for controlling voluntary movements
The Correct Answer is B
Choice A reason: The cerebellum coordinates motor activity and balance, not speech or emotions. Speech is primarily managed by the cerebral cortex (e.g., Broca’s area), and emotions involve the limbic system, making this statement incorrect.
Choice B reason: The hypothalamus regulates body temperature, sleep, hunger, and hormonal functions via its connections to the autonomic nervous system and pituitary gland. This makes it critical for homeostasis, and the statement is accurate, reflecting its physiological roles.
Choice C reason: Motor pathways from the cortex and brainstem do not primarily synapse in the thalamus. The thalamus relays sensory and some motor signals, but motor pathways mainly synapse in the spinal cord or brainstem, making this statement incorrect.
Choice D reason: The basal ganglia modulate voluntary movements but do not directly control them. The primary motor cortex initiates voluntary movements, while the basal ganglia refine them, so this statement is inaccurate due to its oversimplification.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Breathing difficulty is the highest priority, as it affects oxygenation, a life-threatening issue. Pain is next, impacting comfort and recovery, followed by sleep, which supports healing. This follows the ABC (Airway, Breathing, Circulation) prioritization, making it the correct order for addressing the patient’s issues.
Choice B reason: Prioritizing sleep over pain after breathing is incorrect; pain is more urgent, as it distresses and affects recovery, while sleep is secondary. Breathing remains first, but pain precedes sleep, so this is incorrect for prioritization.
Choice C reason: Sleep as the first priority ignores breathing, a critical life-threatening issue. Breathing and pain are more urgent, with sleep supporting long-term recovery, so this is incorrect for acute care prioritization principles.
Choice D reason: Placing sleep first and breathing last disregards life-threatening breathing issues. Breathing, then pain, then sleep align with ABC priorities, ensuring patient patient safety, so this is incorrect for the nurse’s approach.
Correct Answer is A
Explanation
Choice A reason: Alcohol can interact with medications, altering their metabolism via liver enzymes (e.g., CYP450), and exacerbate conditions like liver disease or hypertension. This information is critical for safe treatment planning, making it the primary reason for inquiry.
Choice B reason: Assessing patient reliability is not the purpose of asking about alcohol use. This question focuses on clinical implications, not trustworthiness, as alcohol’s effects on health and medications are the priority, making this an incorrect rationale.
Choice C reason: Alcohol use is relevant even without an obvious drinking problem, as even moderate consumption can affect medication efficacy or disease progression. Dismissing this question unless a problem is evident overlooks potential risks, making this incorrect.
Choice D reason: Teaching all patients to avoid alcohol is not universally necessary, as moderate use may be safe for some. The inquiry aims to identify specific risks, like drug interactions, not to enforce blanket abstinence, making this an incorrect reason.
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