Chapter 5 exam

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Human Anatomy & Physiology
Chapters 14, 16
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College: Second year
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1

The division of the autonomic nervous system that arises from cranial nerve nuclei and the sacral portion of the spinal cord is the what?

Parasympathetic nervous system

2

The division of the autonomic nervous system whose preganglionic fiber synapses in the paired ganglion that run parallel with the spinal canal is the what?

Sympathetic nervous system

3

The division of the autonomic nervous system that is voluntary is what?

neither

4

What organ system does not have both sympathetic and parasympathetic innervation?

Arterioles

5

What does the sympathetic division in the gastrointestinal system do?

Slows peristalsis

6

What gland works with and enhances the effect of the sympathetic nervous system?

Adrenal gland

7

When the sympathetic nervous system is stimulated(fight or flight), blood flows how?

Perferentially to the skeletal muscles

8

Acetylcholine is the neurotransmitter for what synapses?

Neuromuscular junction
Sympathetic preganglionic synapse with the postganglionic neuron
Parasympathetic preganglionic synapse with the postganglionic neuron

9

What can happen during the fight or flight response?

Blood vessels to the skin constrict and airways in the pulmonary system dilate

10

What part of the autonomic nervous system that originates in the lateral gray horn of the spinal cord of spinal segments T1-L2 is the parasympathetic nervous system?

Sympathetic nervous system

11

What part of the autonomic nervous system that has a longer axon on its preganglionic neuron than on its postganglionic neuron?

Parasympathetic nervous system

12

What part of the autonomic nervous system in which the axon of the postganglionic neuron is myelinated?

Sympathetic nervous system
Parasympathetic nervous system

13

When the sympathetic nervous system is dominant which physiologic effects will be seen?

The heart rate will increase and the airway will increase in diameter to allow more airflow

14

Where are the gray and white rami?

Sympathetic nervous system

15

Where are preganglionic cell bodies located in cranial nerve nuclei in the brainstem?

Parasympathetic nervous system

16

Where do preganglionic nerve release acetylcholine from its terminal endings?

Sympathetic nervous system and parasympathetic nervous system

17

Where do physiologic effects include slowing of the heart rate and increase in secretions from mouth, GI, and GU tract

Parasympathetic nervous system

18

The cranial nerve nuclei that are associated with the parasympathetic nervous system are what?

III Oculomotor
VII Facial
IX Glossopharyngeal
X Vagus

19

The portion of the autonomic nervous system that is associated with a decrease in heart rate is what?

Parasympathetic

20

When the sympathetic nervous system is activated what happens?

Visceral (and sometimes cutaneous) blood vessels are constricted, and blood is shunted to active skeletal muscles and the vigorously working heart

21

Acetylcholine is the neurotransmitters for what?

Preganglionic nerve endings in the sympathetic system
Preganglionic nerve endings in the parasympathetic system
Postganglionic nerve endings in the parasympathetic system

22

What is the only system that Acetylcholine is not the neurotransmitter for?

Postganglionic nerve endings in the sympathetic system

23

The portion of the autonomic nervous system that has longer preganglionic nerve fibers compared to postganglionic nerve fibers is what?

Parasympathetic

24

The portion of the autonmomic nervous system that has cell bodies in the lateral horn of the thoracic and upper lumber gray matter is what?

Sympathetic

25

When the sympathetic nervous system is dominant, what happens?

The blood flow to skeletal muscles increase

26

The branch of the autonomic nervous system that is associated with nerve fibers from the cranial nerve nuclei and the 2nd to 4th sacral gray matter is what?

Parasympathetic

27

The portion of the autonomic nervous system that is most involved in baseline homeostasis is what?

Parasympathetic nervous system

28

The portion of the autonomic nervous system which has the first synapse between preganglionic and postganglionic nerve cells in the ganglion chain located that runs parallel with the vertebral column is what?

Sympathetic nervous system