ANS Phys

Question 1

Somatic NS involves (voluntary)

Answer 1

-Skeletal muscle
-only ONE motor neuron
-Consciously perceived senations
-can only excite
-NO ganglia

Question 2

ANS Involvement (involuntary)

Answer 2

-Innervates cardiac and smooth muscle glands
-2 motor neurons
-unconsciously senses visceral sensations
-can excite or inhibit
-HAS ganglia

Question 3

where are the sympathetic chain ganglia found?

Answer 3

parallel to the vertebral column

Question 4

Sympethetic prevertebral/collateral ganglia are found

Answer 4

anterior to vertebral column near large abdominal arteries

Question 5

The sympathetic NS connects to the adrenal medulla via:

Answer 5

Modified ganglia

Question 6

parasympathetic terminal/intramural ganglia are found

Answer 6

near or in the wall of the organ it innervates

Question 7

Location of the sympathetic NS

Answer 7

T1-L2 in the lateral grey horns

Question 8

the location of the parasympathetic NS

Answer 8

Cranial nerves III, VII, IX, X and sacral lateral grey horns

Question 9

Preganglionic length in the SNS

Answer 9

Short

Question 10

Preganglionic Length in the PNS

Answer 10

Long

Question 11

Post ganglionic length in SNS

Answer 11

Long

Question 12

Post ganglionic length in the PNS

Answer 12

Short

Question 13

SNS Neurotransmitter of postganglionic neuron

Answer 13

Norepinephrine NE

Question 14

PNS Neurotransmitter of postganglionic neurons

Answer 14

acetlycholine ach

Question 15

SNS =

Answer 15

Fight or flight responce

Question 16

PNS =

Answer 16

Rest and digest

Question 17

The adrenal medulla receives stimulation from:

Answer 17

sympathetic preganglionic fibers

Question 18

Autonomic nervous system preganglionic fibres are

Answer 18

myelinated type B fibers

Question 19

White rami communicantes are so named since:

Answer 19

autonomic preganglionic neurons are myelinated

Question 20

Where are the sympathetic chain ganglia found?

Answer 20

on either side of the spine close to the vertebrae

Question 21

Which neurotransmitter is used to stimulate the effectors in the sympathetic division of the ANS?

Answer 21

norepinephrine

Question 22

What is the major type of sensory information that is monitored by the Autonomic nervous system?

Answer 22

sensations from the visceral/internal organs

Question 23

Parasympathetic ganglia are known as

Answer 23

as terminal ganglia.

Question 24

The cell bodies of some parasympathetic central neurons are located:

Answer 24

in the brain stem.

Question 25

The sympathetic ganglia that lie close to large abdominal arteries and anterior to vertebral column are the:

Answer 25

prevertebral ganglia

Question 26

The concept that most internal organs receive innervation from both the sympathetic and parasympathetic nervous systems is called:

Answer 26

dual innervation

Question 27

Which structures receive sympathetic innervation from the superior cervical ganglia?

Answer 27

the head

Question 28

The motor impulses from the ANS innervate which of the following?

Answer 28

cardiac muscle, smooth muscle, and glands

Question 28

Effectors innervated by the parasympathetic nervous system are stimulated by which neurotransmitter.

Answer 28

acetylcholine

Question 29

How many sets of neurons are found in each autonomic motor pathway?

Answer 29

2

Question 30

Which of the following responses is initiated by the sympathetic nervous system?

Answer 30

increased synthesis of ATP

Question 31

The post ganglionic fibres in the ANS are what type of fibres?

Answer 31

Type C

Question 32

When the parasympathetic system is active it decreases the activity of which of the following organs.

Answer 32

heart

Question 33

What does “SLUDD” stand for in regards of the parasympathetic nervous system:

Answer 33

salivation, lacrimation, urination, digestion, defecation

Question 34

Parasympathetic innervation to the distal colon, the bladder and the reproductive organs is supplied by which of the following:

Answer 34

sacral nerves

Question 35

The cranial nerves involved in the parasympathetic system are:

Answer 35

III, VII, IX, X

Question 36

Postganglionic fibers that innervate sweat glands, arrector pili muscles, blood vessels to skin and skeletal muscles travel with which structure?

Answer 36

spinal nerves

Question 37

Where are the central neurons cell bodies of the sympathetic division of the ANS found?

Answer 37

T1 to L2

Question 38

A single sympathetic preganglionic fiber may synapse with

Answer 38

twenty or more postganglionic fibers.

Question 39

The arrector pili, sweat glands and adipose cells only receive innervation from the

Answer 39

sympathetic nervous system.

Question 40

Parasympathetic stimulation to the liver, stomach and gallbladder is provided by fibers travelling with the:

Answer 40

vagus nerve

Question 41

Which of the following is supplied with sympathetic innervation by way of the splanchnic nerves from the prevertebral ganglia?

Answer 41

abdominal viscera

Question 42

Autonomic central neurons synapse with ganglionic neurons:

Answer 42

in ganglia

Question 43

The major control and integration centre for the autonomic nervous system is the:

Answer 43

hypothalamus

Question 44

The postganglionic fibers of the sympathetic division of the ANS are short or long?

Answer 44

long

Question 45

two divisions of the ans

Answer 45

sympathetic and parasympathetic