Which of the following is a typical sympathetic nervous system response quizlet?

Terms in this set [98]

Ans: A Feedback:
When stimulated by a stressful or fearful situation, the sympathetic nervous system [SNS] prepares the body to flee or to turn and fight. Cardiovascular activity increases as do blood pressure, heart rate, and blood flow to skeletal muscles. Respiratory rate increases, pupils dilate, and sweating increases. Decrease in sweating, BP, heart rate, respiratory rate, and pupil constriction indicate stimulation of the parasympathetic nervous system, which would not be stimulated by fear.

AFeedback:
When stimulated, the SNS prepares the body to flee or to turn and fight. Cardiovascular activity increases, as do blood pressure, heart rate, and blood flow to the skeletal muscles. Respiratory efficiency also increases; bronchi dilate to allow more air to enter with each breath, and the respiratory rate increases. Pupils dilate to permit more light to enter the eye to improve vision in darkened areas. PNS would lower heart rate and blood pressure and would constrict pupils. Stimulation of muscarinic receptors cause pupil constriction, increased gastrointestinal [GI] motility and secretions [including saliva], increased urinary bladder contraction, and a slowing of the heart rate. Stimulation of nicotinic receptors causes muscle contractions, autonomic responses such as signs and symptoms of a stress reaction, and release of norepinephrine and epinephrine from the adrenal medulla.

1. Cardiac- heart rate increases, force of heart contraction increases, blood pressure increases[sympathetic]/heart rate decreases, force of heart contraction decreases, blood pressure decreases[parasympathetic]

2. Pulmonary- Respiratory passageways dilate [sympathetic]/ Respiratory passageways constrict [parasympathetic]

3. Esophageal- Respiratory rate increases [Sympathetic]/ Respiratory rates decrease [parasympathetic]

4. Celiac- Digestion inhibited [sympathetic]/ Digestion stimulated [parasympathetic]

5. Inferior mesenteric- Digestion inhibited [sympathetic]/ Digestion stimulated [parasympathetic]

6. Hypogastric- Defecation inhibited, urination inhibited, & stimulate secretions in sexual organs [Sympathetic]/ Defecation stimulated, urination stimulated, & erection in sexual organs [parasympathetic]

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Which of the following is a response of the sympathetic nervous system?

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