c. sympathetic d. parasympathetic e. somatic Signals from the parasympathetic ne

Question

c. sympathetic d. parasympathetic e. somatic Signals from the parasympathetic nervous system cause which of the following? a. increase in blood pressure b. increase in pulse rate c. increase in digestive activities d. increase in blood sugar level e. increase in metabolic rate The parasympathetic nervous system includes the a. cranial and thoracic nerves. b. thoracic and lumbar nerves. c. lumbar and sacral nerves. d. cervical and lumbar nerves. e. cranial and sacral nerves. 86. 87. 88. The sympathetic nervous system includes the a. cranial and thoracic nerves. b. thoracic and lumbar nerves c. lumbar and sacral nerves d. cervical and lumbar nerves. e. cranial and sacral nerves Activation of the sympathetic nervous system a. causes the pupils of the eye to dilate. b. causes the release of ACh c. stimulates peristaltic contractions of the intestinal system. d. slows heartbeat and lowers blood pressure. 89. e. allows the body to relax rather than prepare for fight or flight

Explanation / Answer

Question 86.

Answer is C

that is increase in digestive activities

the activities of parasympathetic nervous system on different organs is

1. it increases the function of digestive system

2. it decreaess the metabolic rate

3. it decreases the heart rate by acting on heart

4.it decreases the blood pressure by acting on blood vessels

5. it decreases the pulse rate

6. it decreases the blood sugar levels

The parasympathetic division actions are always opposite to tha actions of sympathetic division.

Question 87.

Answer is E

that is cranial and sacral nerves

Here some of the nerves are arises from the central nervous system and that region is called craniosacral region. The nerves which present at craniosacral regionthat is from the brainstem and the sacral plexus. are oculomotor, facial, glossopharyngeal and vagus nerves.

The nuclei for these nerves are as follows

i.   oculomotor nerve --  the Edinger-Westphal nucleus

ii. facial nerve -- superior salivatory and lacrimal nuclei

iii. glossopharyngeal nerve --    inferior salivatory nucleus

iv.  vagus nerves --- dorsal nucleus and nucleus ambiguus

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