Autonomic Nervous System Flashcards
This receptor plays a role in decreasing GI motility
alpha 2, beta 2
decrease GI motility is a sympathetic action
This receptor relaxes the bladder wall
beta 2
relaxation of bladder wall is a sympathetic action
Erection is mediated by what receptors?
parasympathetic muscarinic receptor
Sweating utilizes ___ as final receptor
muscarinic receptor
Cite 3 areas of the body with no parasympathetic innervation
- Cardiac ventricles
- Pregnant uterus
- Blood vessels
The Sweat glands, piloerector muscles, and brown adipose tissues (beta 3) is peculiar since it has a sympathetic distribution but the Final NT is ___ and the final receptor is ___
Final NT: Ach
Final receptor: muscarinic
All sensations pass through the thalamus except ____
Olfaction
The micturition center is found in the ____ (location in the brain)
Pons
During exercise, the ___ (VRG, DRG) isactive
VRG
Resting RR is DRG
The nerve fiber that is most susceptible to hypoxia is type ____.
Type B
Type A = susceptible to pressure
Type C = susceptible to local anesthetics
____ is the NS with 2 motor neuron system
ANS
___ system (kind of ANS) capable of mass discharge
SNS
____ NS
subject to ANS control but capable of functioning independently
Enteric NS
[Enteric NS]
____ plexus plays a role for secretions
submucosal plexus
[Enteric NS]
____ plexus plays a role for motility
myenteric plexus
[sympathetic/parasympathetic]
prenganglionic is short
longer post ganglionic
Ach to Nn
NE to target organ
sympathetic NS
[sympathetic/parasympathetic]
preganglionic is long
post ganglionic is short
Ach to Nn
Ach to Muscarinic receptor
parasympathetic
[sympathetic/parasympathetic]
the ganglion is near the target organ
parasympathetic
[sympathetic/parasympathetic]
the ganglion is paravertebral
symptathetic
[sympathetic/parasympathetic]
preganglion of the adrenal medulla uses ____ NT to release Epi and NE
Ach
[sympathetic/parasympathetic]
the sweat glands and piloerector muscle has a ___ action
sympathetic
[sympathetic/parasympathetic]
the final NT of sweat glands and piloerector muscle is ____
Ach
[sympathetic/parasympathetic]
the final receptor of sweat glands and piloerector muscle is
muscarinic receptor
[ANS neurotransmitter]
___ neurons release NE
adrenergic
[ANS neurotransmitter]
___ neurons release Ach
cholinergic
[ANS neurotransmitter]
___ neurons release substance P, VIP or NO
noradrenergic, noncholinergic neurons
[sympathetic/parasympathetic]
mydriasis
sympathetic
[sympathetic/parasympathetic]
miosis
parasympathetic
[sympathetic/parasympathetic]
melatonin synthesis
sympathetic
cite the organs with no parasympathetic control
- cardiac ventricles
- blood vessels
- pregnant uterus
[sympathetic/parasympathetic]
GI motility
parasympathetic
[Adrenoreceptor]
___ uses Gq, increases IP3/CA
alpha 1
[Adrenoreceptor]
___ uses Gi, decreases cAMP
alpha 2
[Adrenoreceptor]
___ uses Gs, increases cAMP
beta 1
[Adrenoreceptor]
___ uses Gs, increases cAMP
beta 2
[Adrenoreceptor]
used for contraction of smooth muscle
alpha 1
[Adrenoreceptor]
seen in platelet, fat cells, walls of the GIT
inhibits release of NE, promotes parasympathetic effect
alpha 2
[Adrenoreceptor]
seen in SA node, AV node, and kidneys
causes excitation
beta 1 receptor
ANS receptor that are both sympathetic and parasympathetic
cholinoreceptor
[nicotinic receptor]
____ receptor binds with Ach, opens Na-K channel in the skeletal muscle
NM (N1)
both para and sympa
[nicotinic receptor]
___ receptor binds with Ach, opens Na-K channel in the autonomic ganglia
NN (N2)
both para and sympa
[muscarinic receptor]
___ receptor binds with Ach, Gq, increase IP3/Ca in the CNS
M1
both para and sympa
what are the two types of cholinoreceptor
nicotinic and muscarinic
[muscarinic receptor]
___ receptor binds with Ach, Gi, decreases cAMP in the heart
M2
both para and sympa
[muscarinic receptor]
___ receptorwith Ach, Gq, increases IP3/Ca in the glands and smooth muscles
M3
both para and sympa
[true/false]
somatic cells has no ganglion
true
[eye]
the radial muscle, iris has no ___ (para/sympa) action
para
[eye]
the circular sphincter muscle, iris has no ____ (para/sympa) action
sympa
the receptor which plays a role in blood vessel constriction in skin; plays a role in the splanchnic circulation
alpha 1
the receptor that dilates blood vessels in skeletal muscle
beta 2
[parasympathetic/sympathetic]
ejaculation
sympathetic
[parasympathetic/sympathetic]
erection
parasympathetic
[parasympathetic/sympathetic]
relaxation of bladder wall
constriction of sphincter
sympathetic
[parasympathetic/sympathetic]
___ receptor used for
contraction of bladder wall
and relaxation of sphincter
M3
Parasympathetic
[parasympathetic/sympathetic]
___ receptor used for sweating (in sweat glands)
M (sympathetic cholinergic receptor)
___ cranial nerves utilized by the parasympathetic NS
CN 9 10 7 3
____ are micrated neural cell that secrete Epi and NE
chromaffin cells in the adrenal medulla
Organs with sympathetic distribution but final NT is Ach and final receptor is Muscarinic
- Sweat glands
- Piloerector muscle
- brown adipose
[determine the area of the brain]
motor, calculation, judgement
frontal
[determine the area of the brain]
somatosensory
parietal
[determine the area of the brain]
vision
occipital
[determine the area of the brain]
hearing
temporal
[determine the area of the brain]
emotions
limbic
[determine the area of the brain]
thirst, temp
hypothalamus
[determine the area of the brain]
vasomotor, vomiting
medulla
[determine the area of the brain]
micturition, pneumotaxic, apneustic
pons
[determine the area of the brain]
relay center for almost all sensation, memory recall
thalamus
[true or false]
olfaction doesnt pass to the thalamus
true