Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
General ANS fx:
|
controls bodily functions that are primarily involuntary
|
|
|
Sympathetics are found where along the spinal cord?
|
thoracolumbar (T1-L3)
|
|
|
Parasympathetics are found where along the spinal cord?
|
craniosacral
|
|
|
Pre and postganglionic neurons are found where?
|
usually synapse in an autonomic ganglion
|
|
|
Length of preganglionic neuron in symp?
|
short
|
|
|
Length of postganglionic neuron in symp?
|
long
|
|
|
Preganglionic neurotransmitter in symp?
|
ACh
|
|
|
Postganglionic neurotransmitter in symp?*
|
norepinephrine
*ACh is the NT at sweat glands |
|
|
Receptor type at symp ganglion:
|
nicotinic
|
|
|
Receptor type at symp end-organs*:
|
adrenergic
*muscarinic at sweat glands |
|
|
Length of preganglionic neuron in para?
|
long
|
|
|
Length of postganglionic neuron in para?
|
short
|
|
|
Neurotransmitters in para?
|
ACh
|
|
|
Receptor type at para ganglion?
|
nicotinic
|
|
|
Receptor type at para end-organ?
|
muscarinic
|
|
|
Neurotransmitter and receptor at adrenal medulla:
|
ACh, nicotinic
|
|
|
Adrenal medulla releases...
|
epinephrine
norepinephrine |
|
|
Epinephrine produces more _____ _____.
|
cardiac responses
|
|
|
2 types of cholinergic receptors:
|
nicotinic
muscarinic |
|
|
2 types of adrenergic receptors:
|
alpha
beta |
|
|
Autonomic control:
|
maintains homeostasis via peripheral control
i.e. baroreceptors |
|
|
Which organs only get sympathetic control?
|
liver, blood vessels, sweat glands, adrenal medulla
|
|
|
Eye- Symp receptor, NT, action
Eye- Para receptor, NT, action |
Symp- alpha1, NE, dilation of pupil
Para- muscarinic, ACh, constriction |
|
|
Lungs- Symp receptor, NT, action
Lungs- Para receptor, NT, action |
Symp- beta2, NE, bronchodilate
Para- muscarinic, ___, bronchoconstriction |
|
|
Heart- Symp receptor, NT, action
Heart- Para receptor, NT, action |
Symp- beta1, Epi, inc HR/contractility
Para- muscarinic, ACh, dec HR/contractility |
|
|
Liver receptors and action
|
alpha1 and beta2
mobilize energy/glucose via glycogenolysis and gluconeogenesis |
|
|
Adrenal gland receptor, NT, action
|
nicotinic, ACh, inc secretion of norepi and epi
|
|
|
GI/stomach receptors and action (symp)
|
alpha1, alpha2, beta1, beta2
decrease motility |
|
|
Bladder receptors and actions (symp)
|
alpha1- contracts sphincter
beta2- relaxes detrusor |
|
|
Adipose cell receptors and action (symp)
|
alpha2, beta1, beta2
increase lipolysis |
|
|
No drug is entirely specific for...
|
the receptor subtype
|
|
|
Organs/tissues do not contain only...
|
one subtype of a receptor
|
|
|
At a high enough concentration, drug will...
|
have effect at all subtypes
|
