Ch. 14 ANS

Question 1

What axon releases the neurotransmitter Norepinephrine?

Answer 1

The terminus of a sympathetic postganglionic neuron

Question 2

Which division of the nervous system has long preganglionic neurons?

Answer 2

Parasympathetic

Question 3

Which target organ is not affected by the parasympathetic division of the autonomic nervous system (ANS)?

A) Liver
B) Heart
C) Lungs
D) Adrenal medulla

Answer 3

Adrenal medulla

Question 4

Identify the series of events in a sympathetic pathway.

Answer 4

Thoracolumbar origin, short preganglionic fiber, ACh release at ganglion, long postganglionic fiber, NE release at effector

Question 5

What is an effect of norepinephrine binding to beta 2 adrenergic receptors?

Answer 5

Vasodilation

Question 6

The ? oversees ANS activity.

Answer 6

Hypothalamus

Question 7

The root word ______ means exhibiting or stimulating activity.

Answer 7

-ergic

Question 8

The word root_______ means viscera.

Answer 8

Splanchn-

Question 9

The vessels serving abdominal organs are collectively called _______ circulation.

Answer 9

Splanchnic

Question 10

Neurons which have epinephrine as a neurotransmitter are _______ neurons.

Answer 10

Adrenergic

Question 11

Secreted by preganglionic sympathetic fibers.

Answer 11

Acetylcholine

Question 12

Secreted by preganglionic parasympathetic fibers.

Answer 12

Acetylcholine

Question 13

Secreted by postganglionic sympathetic fibers to sweat glands.

Answer 13

Acetylcholine

Question 14

Secreted by postganglionic parasympathetic fibers.

Answer 14

Acetylcholine

Question 15

Secreted by most postganglionic sympathetic fibers.

Answer 15

Norepinephrine (NE)

Question 16

What nervous system has short preganglionic and long postganglionic fibers?

Answer 16

Sympathetic

Question 17

All of the following characterize the ANS except:

A) Two-neuron efferent chain
B) Presence of neron cell bodies in the CNS
C) Presence of neuron cell bodies in the ganglia
D) Innervation of skeletal muscles

Answer 17

Innervation of skeletal muscles

Question 18

Adrenergic fibers are found in the ? system.

Answer 18

Sympathetic

Question 19

The ? system increases heart rate and blood pressure.

Answer 19

Sympathetic

Question 20

The ? system increases gastric motility and secretion.

Answer 20

Parasympathetic

Question 21

The ? system innervates blood vessels.

Answer 21

Sympathetic

Question 22

The white rami communicantes contain what kind of fibers?

Answer 22

Preganglionic Sympathetic

Question 23

All preganglionic ANS fibers secrete ?

Answer 23

Acetylchonline

Question 24

All postganglionic fibers of the parasympathetic nervous system secrete?

Answer 24

Acetylcholine

Question 25

Only postganglionic sympathetic fibers secrete ?

Answer 25

Norepinephrine

Question 26

Where are the cell bodies of visceral sensory neurons?

Answer 26

Dorsal root ganglia and in the sensory ganglia of cranial nerves

Question 27

Postganglionic axons of the ? division secrete norepinephrine.

Answer 27

Sympathetic

Question 28

Postganglionic axons of the ? division secrete acetylcholine.

Answer 28

Parasympathetic

Question 29

The ? division consists of long preganglionic and short postganglionic axons.

Answer 29

Parasympathetic

Question 30

The ? division consists of short preganglionic and long postganglionic axons.

Answer 30

Sympathetic

Question 31

The ? division arises from cranial and sacral nerves.

Answer 31

Parasympathetic

Question 32

The ? division arises from spinal nerves T1 - L3.

Answer 32

Sympathetic

Question 33

The ? division causes dry mouth and dilates bronchioles.

Answer 33

Sympathetic

Question 34

The ? division constricts pupils and decreases heart rate.

Answer 34

Parasympathetic

Question 35

Parasympathetic preganglionic neurons arise from ? and ?

Answer 35

Brain stem and Sacrum

Question 36

Preganglionic sympathetic axons leave the spinal cord via the ?

Answer 36

White rami communicantes

Question 37

Cholinergic (ACh) receptors are classified as either ? or ?

Answer 37

Nicotinic or Muscarinic

Question 38

Adrenergic (NE) receptors are classified as :

Answer 38

Alpha 1 or 2 | Beta 1, 2 or 3

Question 39

Most visceral organs are innervated by ? division. A) Parasympathetic B) Sympathetic C) Both

Answer 39

Both

Question 40

Preganglionic neurons develop from the ?

Answer 40

Neural tube