Which of the following responses are regulated by the sympathetic nervous system?
1. Increased heart rate, bronchial constriction
2. Peripheral artery dilation, reduced peristalsis
3. Increased secretions, sex organ stimulation
4. Relaxation of bladder, pupil dilation
4
Rationale 1: The sympathetic nervous system increases heart rate, but the parasympathetic system constricts bronchioles.
Rationale 2: Parasympathetic innervation dilates peripheral arteries and stimulates digestion.
Rationale 3: The sympathetic system inhibits salivation and stimulates sex organs.
Rationale 4: Relaxation of the bladder and pupil dilation is regulated by the sympathetic nervous system.
Global Rationale: Relaxation of the bladder and pupil dilation are regulated by the sympathetic nervous system. Parasympathetic innervation dilates peripheral arteries and stimulates digestion. The sympathetic nervous system increases heart rate, but the parasympathetic system constricts bronchioles. The sympathetic system inhibits salivation and stimulates sex organs.
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