Autonomic Nervous System

Question 1

The autonomic nervous system is called the

Answer 1

Visceral nervous system

Question 2

The ANS is regulated…

Answer 2

Below conscious level, without conscious effort

Question 3

The visceral sensory components detect…

Answer 3

Stimulus associated with blood vessels and internal organs

Question 4

The autonomic motor, visceral motor controls

Answer 4

Cardiac muscle, smooth muscle, and glands

Question 5

The ANS regulates….

Answer 5

Heart function, BP, body temperature, respiratory rate, sweating, and digestive function

Question 6

The autonomic motor system has

Answer 6

2 divisions, parasympathetics and sympathetics

Question 7

The sympathetic and parasympathetic divisions have

Answer 7

Presynaptic neurons in the CNS

Question 8

Presynaptic neurons in the CNS send their axons into the

Answer 8

PNS to synapse with post syntactic neuron

Question 9

The sympathetics and parasympathetics are a

Answer 9

Two neuron relay to the target

Question 10

Pre synaptic snd post synaptic neurons synapse at the

Answer 10

Ganglia

Question 11

Sympathetics and parasympathetics go to the

Answer 11

Same targets (cardiac muscle, smooth muscle and glands)

Question 12

Sympathetics and parasympathetics have what kind of effect on their targets

Answer 12

Opposite

Question 13

Somatic motor systems travel to

Answer 13

Skeletal muscles

Question 14

Autonomic motor systems takes how many neurons

Answer 14

2

Question 15

The somatic motor system always causes an

Answer 15

Extinction of the target

Question 16

The autonomic motor system can cause

Answer 16

Excitation or inhibition of the target

Question 17

Autonomic motor system begins with the

Answer 17

Presynaptic neuron, ganglia, and then post synaptic neuron

Question 18

The axons of the somatic motor neurons leave the

Answer 18

CNS and travel to the skeletal muscles directly

Question 19

Somatic motor neurons release what neurotransmitter

Answer 19

Acetylcholine

Question 20

Somatic motor neurons only excite their

Answer 20

Targets

Question 21

The axons of pre synaptic sympathetic and parasympathetic neurons leave the

Answer 21

CNS to meet with post synaptic neurons in the ganglia and release acetylcholine

Question 22

The axons of post synaptic sympathetic neurons release

Answer 22

norepinephrine

Question 23

The axons of post synaptic parasympathetic neurons travel to

Answer 23

Smooth muscle, cardiac muscle, or glands and release acetylcholine

Question 24

Norepinephrine and acetylcholine have what kind of effects on smooth muscle, cardiac muscle, and glands

Answer 24

Opposite

Question 25

Pre synaptic sympathetic axons are _ and pre synaptic parasympathetic neurons are _

Answer 25

Short, long

Question 26

Post synaptic sympathetic neurons are _ and post synaptic parasympathetic neurons are _

Answer 26

Long, short

Question 27

Parasympathetic division of ANS doesn’t have

Answer 27

Sweat glands

Question 28

Parasympathetic division of ANS are also called the…

Answer 28

Craniosacral division of the ANS

Question 29

In the Parasympathetic division, pre synaptic cell bodies are located in the

Answer 29

Brainstem and sacral spinal cord S2-S4

Question 30

The parasympathetic division function

Answer 30

Rest and digest; heart rate decreases, bronchioles constrict, and digestion salivation lacrimation increase.

Question 31

The cell bodies of post synaptic neurons located in the ganglia are

Answer 31

Close to target structures

Question 32

The cranial nerves that have a parasympathetic component are the

Answer 32

Oculomotor, facial, vagus, and glossopharyngeal

Question 33

The presynaptic parasympathetics originate in the

Answer 33

Brainstem and sacral spinal cord

Question 34

The cranial nerves distribute parasympathetics to the smooth muscle, cardiac muscle, and glands above the

Answer 34

Pelvis

Question 35

The parasympathetics from S2 and S4 are distributed to the

Answer 35

Colon, pelvis, and external genitalia

Question 36

There are no cranial nerves in the

Answer 36

Sympathetic

Question 37

The sympathetic division of the ANS is also called the

Answer 37

Thoracolumbar division

Question 38

In the sympathetic division, pre synaptic cell bodies are located within

Answer 38

The gray matter, lateral horns, of spinal cord between T1-L2

Question 39

In the sympathetic division, Most of the cell bodies of the post synaptic neurons are in the

Answer 39

Sympathetic chain/trunk

Question 40

The sympathetic chain includes a string of

Answer 40

Ganglia

Question 41

In the sympathetic division, once synapse occurs…

Answer 41

Post synaptic axons can travel up the chain into the head and neck, and down chain into pelvis

Question 42

The sympathetic division function

Answer 42

Exercise, physical activity; bronchioles dilate, digestion/salivation/lacrimation decreases, heart rate increases, and sweating increases

Question 43

Parasympathetic component of the oculomotor nerve…

Answer 43

Causes Pupils to constrict and thickening of lens

Question 44

The sympathetic function of oculomotor nerve

Answer 44

Pupils dilate and lens becomes thinner

Question 45

Cranial nerves also deceiver parasympathetics to the

Answer 45

Lacrimal gland and salivary glands

Question 46

Parasympathetic function of facial nerve

Answer 46

Lacrimation, mucus production, and salivation

Question 47

Parasympathetic function of glossopharyngeal nerve

Answer 47

Salivation

Question 48

Parasympathetic function of the vagus nerve

Answer 48

Bronchial construction, increase heart rate and action of digestive system (thorax and abdomen)

Question 49

Spinal nerves go to the

Answer 49

Body wall

Question 50

The body wall includes the

Answer 50

Thoracic wall, abdominal wall, and extremities

Question 51

Extremities are outgrowths of the

Answer 51

Body wall

Question 52

In the sympathetic division, the sympathetic chain extends into the

Answer 52

Down intoPelvis and up into neck

Question 53

Connecting branches connect the

Answer 53

Spinal nerve and sympathetic trunk

Question 54

In the post synaptic neuron of the sympathetic chain….it can

Answer 54

Rejoin spinal nerves that go to the body wall to sweat glands

Question 55

Sympathetics that go to internal organs use

Answer 55

Splanchnic nerves

Question 56

Splanchnic nerves branch from the

Answer 56

Sympathetic trunk and enter the body cavities

Question 57

The fight of flight response is how the

Answer 57

Sympathetic division of the ANS responds to an emergency situation

Question 58

Fight or flight response occurs in what levels

Answer 58

T1- L2

Question 59

The pre synaptic sympathetic neurons of fight or flight don’t…

Answer 59

Meet up with postsynaptic neurons, they meet up with adrenal glands, produce adrenaline, and it circulates in the bloodstream