Chapter 3 Autonomics

Question 1

Which of the following is a major difference between the parasympathetic and sympathetic divisions of the ANS?

Answer 1

The sympathetic division has longer postganglionic axons

Question 2

What function does the sympathetic division of the ANS serve in terms of vision?

Answer 2

Pupil dilation

Question 3

The postsynaptic (postganglionic) axons that stimulate tear production in the lacrimal glands are delivered via which cranial nerve?

Answer 3

Trigeminal nerve (CN V)

Question 4

The presynaptic (preganglionic) axons that provide the mucous membranes of the nasal passages are from the:

Answer 4

Facial nerve (CN VII)

Question 5

You are home for a special family gathering and looking forward to your favorite meal. After a wonderful dinner, you realize that you have enjoyed yourself way too much, due to the awful stretching sensation in your stomach. In terms of innervation, this is an example of your body’s ________ division letting you know you are full

Answer 5

Visceral sensory

Question 6

In the spinal nerve pathway, the postganglionic axon enters the spinal nerve via the

Answer 6

Gray ramus (of the rami communicantes)

Question 7

Autonomic plexuses are networks of

Answer 7

A postganglionic sympathetic and preganglionic parasympathetic axons

Question 8

An autonomic reflex functions to

Answer 8

Maintain homeostasis in the body

Question 9

Preganglionic sympathetic neuron cell bodies are housed within

Answer 9

The lateral horn of the T1-L2 of the spinal cord

Question 10

Another phrase describing parasympathetic innervation in the body

Answer 10

Craniosacral outflow