Autonomic Nervous System Lecture 2

Question 1

What is not a difference between the somatic nervous system and the autonomic nervous system?
-Nerve fiber length/orientation
-Both parts of the PNS
-Neuro transmitter substance
-Their affect they have on the effectors

Answer 1

Both parts of the PNS

Question 2

Where are there cell bodies for the preganglionic neurons of the sympathetics (generally)?
-T1-L2
-Brain and C1-C7
-Brain and S1-S2
-L1-L5

Answer 2

T1-L2

Question 3

Where can a preganglionic sympathetic fiber synapse with a postganglionic sympathetic fiber?
-Chain ganglia
-In the collateral ganglia
-The effector organ or gland
-Two of the above

Answer 3

Two of the above

Question 4

Where are the cell bodies of the parasympathetic preganglionic neurons located?
-Cerebrum and S2 -S4
-T1-S2
-CNS & S2-S4
-Brainstem and S2-S4

Answer 4

Brainstem and S2-S4

Question 5

What cranial nerve supplies most of the G.I.T?
-facial
-Oculomotor
-Glossopharyngeal
-Vagus

Answer 5

Vagus

Question 6

Where does the parasympathetic ganglia usually lie?
-chain ganglia
-brainstem and S2-S4
-Collateral ganglia
-Close to or within the effector organ

Answer 6

Close to, or within the effector organ

Question 7

What type of nerve fiber is not cholinergic (uses Ach as neurotransmitter)?
-Preganglionic sympathetic
-Preganglionic parasympathetic
-Postganglionic sympathetic
-Postganglionic parasympathetic

Answer 7

Postganglionic sympathetic

Question 8

True or false? Preganglionic sympathetic fibers are long.

Answer 8

False

Question 9

True or false? Preganglionic nerve fibers are myelinated

Answer 9

True

Question 10

True or false the sympathetics generally has a more localized affect than the parasympathetic

Answer 10

False

Question 11

Parasympathetic generally….
-inhibit, gastric, motility, and secretion.
-Increases heartbeat and blood pressure
-Increases gastric motility and secretion
-Increases respiration

Answer 11

Increase gastric motility and secretion

Question 12

Sympathetic stimulation increases blood flow to the:
-heart
-Skeletal muscle
-heart and skeletal muscle
-digestive tract

Answer 12

Heart and skeletal muscle

Question 13

Splanchnic nerves:
-are only found in the sympathetic branch of the ANS.
-are only found in the parasympathetic branch of the ANS.
-innervate the heart and the lungs.
-innervate organs in the abdominal cavity.

Answer 13

D.

Question 14

The grey rami of the sympathetic NS contains
-preganglionic nerve fibers
- postganglionic nerve fibers
-myelinated nerve fibers
-two of these answers

Answer 14

Postganglionic nerve fibers

Question 15

Which of the following is a target of the sympathetic NS and not a target of the parasympathetic NS?
-Biceps brachii
-liver
-heart
-adrenal gland

Answer 15

Adrenal gland

Question 16

Which cranial nerve is responsible for pupil dilation and constriction?
-vagus nerve
-Oculomotor nerve
- facial nerve
- glossopharyngeal

Answer 16

Oculomotor nerve

Question 17

Blocking beta receptors would result in:

Answer 17

Decrease in blood pressure