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Exam 18: Autonomic Nervous System

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Question 41

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Which cranial nerves are associated with the parasympathetic division of the ANS? A: III B: IV C: V D: VII E: IX F: X G: XII

A) a,d,e,f
B) b,c,d,e
C) a,c,d,g
D) c,d,f,g
E) b,e,f,g

F) D) and E)
G) A) and D)

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Question 42

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The _______ division of the ANS dominates when an individual relaxes after a large meal.

A) parasympathetic
B) sympathetic

C) A) and B)
D) undefined

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Question 43

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During its embryological development,the autonomic nervous system forms from

The __________ division of the ANS is most commonly associated with the preparation of the body for emergencies.

Which statements are correct concerning the sympathetic division of the ANS? A: Preganglionic neuron cell bodies are located in the lateral horns of the T1-L2 regions. B: Preganglionic neuron cell bodies are located in brainstem nuclei. C: It is associated with the oculomotor and facial nerves. D: It participates in the "fight-or-flight" response. E: Preganglionic neuron cell bodies are located in the sacral region of the spinal cord.

The parasympathetic preganglionic axons of CN VII exit from the

Except for the _______ region of the spinal cord,one sympathetic trunk ganglion is approximately associated with each spinal nerve.

Paravertebral and prevertebral ganglia are part of the parasympathetic branch of the ANS.

Which is not an effector innervated by the autonomic nervous system?

The parasympathetic innervation from the pelvic splanchnic nerves is responsible for erection of the female clitoris and the male penis.

Which type of innervation causes pupil dilation?

The second neuron in an autonomic pathway is called a _________ neuron.

Both types of axons of the sympathetic branch of the ANS use norepinephrine as the neurotransmitter.

Which type of innervation causes reduced blood flow to the digestive tract?

The preganglionic axons of CN VII extend to the

Parasympathetic postganglionic axons from the otic ganglion cause an increase in secretion from the parotid salivary glands.

Which type of innervation causes the heart rate to increase?

The parasympathetic postganglionic axons of the sacral spinal nerves innervate the A: Large intestine B: Reproductive organs C: Salivary glands D: Pupillary constrictor muscles E: Urinary bladder F: Ureters

All ANS preganglionic axons release _____________ as their neurotransmitter.

The ANS uses pathways that include two-neuron chains to innervate its effector organs.