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Flashcards in PNS Deck (39):
1

What are the 2 major divisions of the Peripheral NS?

Somatic motor system
Autonomic motor system

2

Which system involves motor movement?

Somatic

3

Which system is self-ruling, meaning we don't have to think about it for it to still work?

Autonomic motor

4

What are the 2 parts to the autonomic motor system?

Parasympathetic
Sympathetic

5

Which part of the autonomic motor system is the rest and digest/peace?

Parasympathetic

6

What are the 7 characteristics of the parasympathetic nervous system?

Decreased HR
Increased Gastric secreation
Emptying bladder
Emptying bowel
Near vision
Pupil constriction
Bronchoconstriction

7

What is the sympathetic system known for?

Fight or flight and stress responses

8

What are the 5 characteristics of the flight or fight response?

-Increased HR and BP
-Shunting blood to skeletal muscles
-Bronchodilation
-Pupil dilation
-Increased glucose (brain) and fatty acids (muscles)

9

What are the 3 cholinergic receptors of the PNS?

Nicotinic(n)
Nicotinic(m)
Muscarinic

10

If a given drug activates nicotinic(n), what 2 things happen in patient response?

Stimulation of sympathetic and parasympathetic postganglionic nerves

Release of adrenalin from adrenal medulla

11

If a given drug activates nicotinic(m), what will happen in patient response?

Contraction of skeletal muscle

12

If a given drug activates muscarinic, what will the patient response be in the EYES?

Contraction of the ciliary muscle/focuses lens on near vision

Contraction of iris sphincter muscle/causes mitosis (decreased pupil diameter)

13

If a given drug activates muscarinic, what will the patient response be in the HEART?

Decreased rate

14

If a given drug activates muscarinic, what will the patient response be in the LUNGS?

Constriction of bronchi
Promotion of secretions

15

If a given drug activates muscarinic, what will the patient response be in the BLADDER?

-Contraction of detrusor (increased bladder pressure)
-Relaxation of trigone spinchter (allow urine to leave the bladder)
-Coordination contraction of detrusor and relaxation of trigon sphincter causing voiding of the bladder

16

If a given drug activates muscarinic, what will the patient response be in the GI?

-Salivation
-Increased gastric secretions
-Increased intestinal tone and motility

17

If a given drug activates muscarinic, what will the patient response be in the SWEAT GLAND?

Generalized sweating

18

If a given drug activates muscarinic, what will the patient response be in the SEX ORGANS?

Erection

19

If a given drug activates muscarinic, what will the patient response be in the BLOOD VESSELS?

VASODILATION

20

What are the 5 adrenergic receptors?

Alpha1, alpha2, beta1, beta2, dopamine

21

If a given drug activates alpha1, what will the patient response be in the EYE?

Contraction of the radial muscle of the iris causing mydriasis (increase in pupil size)

22

If a given drug activates alpha1, what will the patient response be in the ARTERIOLES OF SKIN, VISCERA, MUCOUS MEMBRANES?

Constriction

23

If a given drug activates alpha1, what will the patient response be in the VEINS?

Constriction

24

If a given drug activates alpha1, what will the patient response be in the SEX ORGANS (male)?

Ejaculation

25

If a given drug activates alpha1, what will the patient response be in the PROSTATIC CAPSULE?

Contraction

26

If a given drug activates alpha1, what will the patient response be in the BLADDER?

Contraction of trigone sphincter

27

If a given drug activates alpha2, what will the patient response be in the PRESYNAPTIC NERVE TERMINALS?

Inhibition of transmitter release

28

If a given drug activates beta1, what will the patient response be in the HEART?

-Increased rate
-Increased force of contraction
-Increase AV conduction velocity

29

If a given drug activates beta1, what will the patient response be in the KIDNEY?

Release of renin

30

If a given drug activates beta2, what will the patient response be in the ARTERIOLES OF THE HEART, LUNG, and SKELETAL MUSCLE?

Dilation

31

If a given drug activates beta2, what will the patient response be in the BRONCHI?

Dilation

32

If a given drug activates beta2, what will the patient response be in the UTERUS?

Relaxation

33

If a given drug activates beta2, what will the patient response be in the LIVER?

Gycogenolysis

34

If a given drug activates beta2, what will the patient response be in the SKELETAL MUSCLE?

Enhanced contraction
Glycogenolysis

35

If a given drug activated dopamine, what will patient response be?

Dilation of kidney vasculature

36

What receptors does epinephrine activate?

Alpha1
Alpha2
Beta1
Beta2

37

What receptors does norepinephrine activate?

Alpha1
Alpha2
Beta1

38

What receptors does dopamine activate?

Alpha1
Beta1
Dopamine

39

Sympathetic receptors memory aid:
Beta1 receptor: ____
Beta2 receptor: ____
Alpha1 receptor: ____
Alpha2 receptor: ____

Beta1 receptor: Heart (we only have one heart)
Beta2 receptor: Lungs (we have 2 lungs)
Alpha1 receptor: Arteries (vasoconstriction)
Alpha2 receptor: not of concern at this point