ch 12

Question 1

Subdivsions of the PNS

Answer 1

autonomic nervous system

somatic motor system

Question 2

Subdivision of the autonomic nervous system

Answer 2

parasympathetic nervous system

sympathetic nervous system

Question 3

True or Flase

The Somatic motor system controls involuntary movements of mulses

Answer 3

Flase

Somatic motor system control voluntary movement of muscles

Question 4

Threee principal functions of autonomic nervous system

Answer 4

regulation of the heart
regulation of secretory glands
regulation of smooth muscles

Question 5

Seven regulatory functions of parasympathetic nervous system

Answer 5

heart rate
gastric secretion
emptying of bladder
emptying of bowel
eye focus
contraction of pupil
bronchial smooth muslce

Question 6

sympathetic nervous system three main functions

Answer 6

regulating cardiovascular system
regulating temperature of body
implementing acute stress response

Question 7

What are the three basic patterns of autonomic innervation

Answer 7

1. innervation by both and divisions are opposed
2. innervation by both divisions and divisions are complementary
3. innervation and regulation by only one division

Question 8

The most important part of the feedback loop of autonomic nervous system

Answer 8

baroreceptor reflex

Question 9

What is the baroreceptor relfex

Answer 9

the feedback loop of the autonomic nervous system that helps regulate blood pressure

Question 10

Name the day to day influence exerted by the autonomic nervous system on a particular organ

Answer 10

autonomic tone

Question 11

Name the neurotransmitters of the PNS

Answer 11

acetylcholine
norepinephrine
epinephrine

Question 12

these receptors mediate responses at all junctions where acetylcholine (ACh) is the transmitter

Answer 12

Cholinergic receptors

Question 13

Theses receptors medicate responses at all junctions where norepinephrine or epinephrine is the transmitter

Answer 13

adrenergic receptors

Question 14

The three major subtypes of cholinergic receptors

Answer 14

nicotinicN
nicotinicM
muscarinic

Question 15

Four major subtypes of adrenergic receptros

Answer 15

a1
a2
b1
b2

Question 16

What is the response to activation of nicotinicN

Answer 16

promotes ganglionic transmission at all ganglia and promotes release of epinephrine from adrenal medial

Question 17

What is the response to activation of nicotinicM

Answer 17

contraction of skeletal muscle

Question 18

What is the response to activation of muscarinic

Answer 18

The appropriate response from the organ involved

Question 19

What organs are target by muscarinic receptor

Answer 19

eye
heart
lung
bladder
GI track
sweat glands
sex organs
blood vessels

Question 20

Location of a1 receptors

Answer 20

eye
blood vessels
male sex organs
prostatic capsule
bladder

Question 21

Location of a2 receptors

Answer 21

nerve terminals

Question 22

location of b1 receptors

Answer 22

heart

kidney

Question 23

What b1 receptors have great therapeutic significance

Answer 23

Cardiac b1 receptors

Question 24

What happens with activation of b1 receptors in heart

Answer 24

increase heart rate
increase force of contraction
increase in AV node conjunction velocity

Question 25

Activation of b1 receptor in kidneys result in what

Answer 25

release of renin resulting in elevation of BP due to constriction

Question 26

Location of b2 receptors

Answer 26

``` arterioles heart lung skeletal muscle bronchi uterus liver skeleteal muscle ```

Question 27

Dopamine receptor location

Answer 27

kidney

Question 28

result of activation of dopamine receptor

Answer 28

dilates renal blood vessels

Question 29

which receptors can epinephrine activate

Answer 29

a1 a2 b1 b2

Question 30

which receptors can norepinephrine activate

Answer 30

a1 a2 b1

Question 31

which receptors can dopamine activate

Answer 31

a1 b1 dopamine