Cholinergics Flashcards

1
Q

Referred to the involuntary nervous system

A

ANS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Involved in the voluntary controlled functions such as the contraction of skeletal muscles

A

Somatic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Important in reflex regulation of the ANS, examples include the baroreceptor reflex and emotional stimuli

A

Afforestation neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Pre and postganglionic neurons

A

Efferent neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Preganglionic cell body located within

A

CNS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where do preganglionic cells emerge

A

From the brain stem or spinal cord and make a synaptic connection in a ganglia, these ganglia function as relates between the presynaptic neuron and a second neuron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cell body originates in the ganglia

A

Postganglionc neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Is nonmyleinated and terminates on effector organs

A

Postganglionic neuron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Preganglionic fibers of the sympathetic nervous system arise from

A

Thoracolumbar regions of spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Parasympathetic neurons arise from what

A

Cranial sacral
(CN III, VII, IX, X)
(S2-4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where do muscarinic agonists work

A

-various organs in the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Is a muscarinic agonist symp or parasympathetic like

A

Parasympathetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the exception to the muscarinic agonists being parasympathetic like

A

Sweat glands.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Effect of muscarinic agonist on eyes

A

Constrict

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Muscarinic agonist effect on heart

A

Bradycardia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Muscarinic agonist effect on lungs

A

Bronchoconstriion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Muscarinic agonist affect on GI

A

Increased gut motility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Muscarinic agonist affect on urinary

A

Increased motility of urinary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Muscarinic agonist affect on sweat glands

A

Will cause sweating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Side effects of muscarinic agonists

A

Sweating, diarrhea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Is muscarinic antagonist more symp like or parasympathetic like

A

Sympathetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Effect of muscarinic antagonist on eye

A

Dilate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Affect of muscarinic antagonist on heart

A

Increased HR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Affect of muscarinic antagonist on the lungs

A

Bronchodilate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Affect of muscarinic antagonist on GI
Decreased motility
26
Affect of muscarinic antagonist on sweat glands
Stop sweating
27
Side effects of muscarinic antagonists
Anhydrosis, hyperthermia, red flush
28
Parasympathetic pre and post ganglionic neurons
Ganglia close to organ, long preganglionic neuron, short postganglionic neuron
29
What systems do the parasmypathic nervous system affect
Cardiac, smooth muscle, gland cells, and nerve terminals
30
Sympathetic neurons length
Ganglion located next to spine, short preganglionic, long postganglionic
31
What is the receptor and NT for ALL first synapse of the pre and postganglionic neurons, not matter what system it is
Nn and Ach
32
What is the terminal receptor and NT for parasympathetic
Muscarinic | Ach
33
What is the terminal receptor and NT for sweat glands
They are sympathetic, but the receptor is muscarinic and the NT is Ach
34
What is the terminal receptor and NT for sympathetic for most of the places
Alpha or beta | NE
35
What is the terminal receptor and NT for sympathetic in renal vaculature
Dopaminergic receptors and D1
36
What is the terminal receptor and NT for the adrenal medulla
The preganglionic synapses directly onto the adrenal medulla and it releases epi and NE into the blood directly
37
What is a neurohumoral organ and what does it do
Adrenal medulla sends epi into the blood which signals the whole system to activate sympathetic
38
What is the difference between Nn and Nm receptors
Nm is on the NMJ | The rest are Nn (all preganglionic synapses)
39
Do all pathways have cholinergic?
All pathways have cholinergic, but parasympathetic has 2 cholinergics (Nn and Nm)
40
Are sweat glands sympathetic or parasympathetic
Sympathetic
41
Why are sweat glands unusual?
They are sympathetic but they have 2 cholinergic receptors. Terminal is muscarinic and Ach
42
Adrenergic sympathetic
Synthesize and release NE onto alpha and beta
43
Somatic neurons
Single nerve, skeletal muscle contraction, Na/K ion channels, rapid
44
Functions of sympathetic
- functions as complete system because of NE - fight or flight - not essential for life
45
Which system is not essential for life
Sympathetic
46
Function of parasympathetic
- maintains essential bodily functions - is required for life - rest and digest
47
Which system is essential for life
Parasympathetic
48
Role of the CNS in autonomic control of Viscera
``` Reflex response -baroreceptors -does not involve consciousness Strong emotion - rage -fear -pleasure ```
49
How does strong emotion affect the ANS
It activates both the parasympathetic and sympathetic systems. Reason why you get so scared you shit your pants
50
Dual innervation of the ANS
Most organs are innervated by both. Parasympathetic controls us, dominate system. Only sympathetic dominate when they are the only system present
51
Oranges receiving only sympathetic innervation
Blood vessels Adrenal medulla Sweat glands
52
Sympathetic actions of eye
Contraction of iris radial muscle (dilate)
53
Parasympathetic actions of eye
- contraction of iris sphincter muscle (constrict) | - contraction of ciliary muscle (accommodates)
54
Sympathetic function of lungs
Dilates
55
Parasympathetic functions of lungs
Constrictis, increases secretions
56
Sympathetic action of heart
Increased HR, increased contractility
57
Parasympathetic action of heart
Decreased rate and contractility
58
Sympathetic action of blood vessels (skeletal muscles)
Dilation
59
Sympathetic action of blood vessels in skin, mucus membranes, and splanchnic
Constriction
60
How are neurons communicating
NT
61
Types of NT
-ACh, NE, Epi
62
Neurons which release acetylcholine are termed
Cholinergic
63
NT of adrenal medulla
ACh
64
If NE or epi is the NT, the fiber is called
Adrenergic
65
Mediates the transmission of nerve impulses from autonomic postganglionic nerves to effector organs
NE and Epi
66
Nerves cant make
Epi
67
Adrenal does what to NE
Turns it into epi and puts it into the blood stream | Epi goes everywhere