8/7/25, 9:54 AM NU643 EXAM COMPREHENSIVE QUESTIONS AND VERIFIED ACCURATE SOLUTION (DETAILED & ELABORATED) |GET IT 10…
NU643 EXAM COMPREHENSIVE QUESTIONS
AND VERIFIED ACCURATE SOLUTION (DETAILED
& ELABORATED) |GET IT 100% ACCURATE!! 2025
TEST!! |
Save
Terms in this set (49)
controls anxiety/fear/worry - anxiety d/o, phobias,
PTSD, result from malfunctions w/n these circuits.
Amygdala
Flight or fight - motor response - PAG
(periaqueductal gray) located in brain stem
Home of noradrenergic cell bodies
Autonomic response
Locus Coeruleus Inc BP, Inc HR, Inc RR,
- Prolonged activation = inc risk of atherosclerosis, MI,
CAD, Stroke,
Motor response = brain stem(periaqueductal gray) -
fear amygdala. fight or flight
Endocrine response = hypothalamus
associate feat with neutral stimulus
VMPFC and hippocampus info passes to amygdala
Fear conditioning
Amygdala can remember stimuli w/ glutamate
transmission
Glutamate inhibitory stimuli
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, 8/7/25, 9:54 AM NU643 EXAM COMPREHENSIVE QUESTIONS AND VERIFIED ACCURATE SOLUTION (DETAILED & ELABORATED) |GET IT 10…
Memories do not get erased but can be rewired
conditioned-fear response Anxiety can be suppressed but IS NOT REMOVED
ENTIRELY
progressive reduction of response to stimuli to
Fear extinction
reduce symptoms
SSRIs, SNRIs
first-line treatment for
d/t prolonged effectivness - BZ can be used for acute
GAD
symptoms until effective
5HT1a affects - Post synaptincally - decreases 5HT
Buspar (serotonin) activity-
Can help with relaxation - FDA for GAD
To tx physical response - decreased BP, HR - monitor
VS for safety
To reduce risk of falls, syncope issues when your BP
clonidine and propranolol or HR get low.
Typically used during the day...avoid at night to
minimize risk of hypotension.
Avoid with eating DO as hydration can be an issue
GAD - indicated GAD
Buspirone/anxiety D/O
Used in other type in practice...but FDA indicated in
benzodiazepine GABA Inhibitory - influx of Cl - decreases anxiety
Zoloft,
SSRI/SNRI paxil, prozac - not mentioned in discussion but is also
used for anxiety as well as MDD
1. alcohol dependence and anxiety disorder.
Antihistamine affect
Calms withdrawal s/s in ETOH dependence, insomnia,
hydroxyzine
and anxiety
Can be used short term - use like you use BZ -
gradual taper
https://quizlet.com/1064381419/nu643-exam-comprehensive-questions-and-verified-accurate-solution-detailed-elaborated-get-it-100-accurate-2025-te… 2/6
NU643 EXAM COMPREHENSIVE QUESTIONS
AND VERIFIED ACCURATE SOLUTION (DETAILED
& ELABORATED) |GET IT 100% ACCURATE!! 2025
TEST!! |
Save
Terms in this set (49)
controls anxiety/fear/worry - anxiety d/o, phobias,
PTSD, result from malfunctions w/n these circuits.
Amygdala
Flight or fight - motor response - PAG
(periaqueductal gray) located in brain stem
Home of noradrenergic cell bodies
Autonomic response
Locus Coeruleus Inc BP, Inc HR, Inc RR,
- Prolonged activation = inc risk of atherosclerosis, MI,
CAD, Stroke,
Motor response = brain stem(periaqueductal gray) -
fear amygdala. fight or flight
Endocrine response = hypothalamus
associate feat with neutral stimulus
VMPFC and hippocampus info passes to amygdala
Fear conditioning
Amygdala can remember stimuli w/ glutamate
transmission
Glutamate inhibitory stimuli
https://quizlet.com/1064381419/nu643-exam-comprehensive-questions-and-verified-accurate-solution-detailed-elaborated-get-it-100-accurate-2025-te… 1/6
, 8/7/25, 9:54 AM NU643 EXAM COMPREHENSIVE QUESTIONS AND VERIFIED ACCURATE SOLUTION (DETAILED & ELABORATED) |GET IT 10…
Memories do not get erased but can be rewired
conditioned-fear response Anxiety can be suppressed but IS NOT REMOVED
ENTIRELY
progressive reduction of response to stimuli to
Fear extinction
reduce symptoms
SSRIs, SNRIs
first-line treatment for
d/t prolonged effectivness - BZ can be used for acute
GAD
symptoms until effective
5HT1a affects - Post synaptincally - decreases 5HT
Buspar (serotonin) activity-
Can help with relaxation - FDA for GAD
To tx physical response - decreased BP, HR - monitor
VS for safety
To reduce risk of falls, syncope issues when your BP
clonidine and propranolol or HR get low.
Typically used during the day...avoid at night to
minimize risk of hypotension.
Avoid with eating DO as hydration can be an issue
GAD - indicated GAD
Buspirone/anxiety D/O
Used in other type in practice...but FDA indicated in
benzodiazepine GABA Inhibitory - influx of Cl - decreases anxiety
Zoloft,
SSRI/SNRI paxil, prozac - not mentioned in discussion but is also
used for anxiety as well as MDD
1. alcohol dependence and anxiety disorder.
Antihistamine affect
Calms withdrawal s/s in ETOH dependence, insomnia,
hydroxyzine
and anxiety
Can be used short term - use like you use BZ -
gradual taper
https://quizlet.com/1064381419/nu643-exam-comprehensive-questions-and-verified-accurate-solution-detailed-elaborated-get-it-100-accurate-2025-te… 2/6
