Stimulation of the posterior hypothalamus causes: a) decrease heart rate b) decrease blood pressure c) increase blood pressure d) pupillary constriction
Understand the Problem
The question is asking about the physiological effects of stimulating the posterior hypothalamus, specifically what happens to heart rate, blood pressure, and pupil reaction. It presents multiple choices related to these effects.
Answer
Increase blood pressure.
The final answer is increase blood pressure.
Answer for screen readers
The final answer is increase blood pressure.
More Information
Stimulation of the posterior hypothalamus activates the sympathetic nervous system, leading to increased heart rate and blood pressure.
Tips
A common mistake is confusing the autonomic nervous system's divisions and their effects.
Sources
- Posterior Hypothalamus - an overview | ScienceDirect Topics - sciencedirect.com
- Autonomic and endocrine control of cardiovascular function - PMC - pmc.ncbi.nlm.nih.gov
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