NURS 660 EXAM 3 QUESTIONS WITH CORRECTLY SOLVED ANSWERS

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NURS 660 EXAM 3 QUESTIONS WITH CORRECTLY SOLVED ANSWERS

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NURS 660 EXAM 3 QUESTIONS WITH CORRECTLY SOLVED ANSWERS

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NURS 660 EXAM 3: QUESTIONS WITH CORRECTLY SOLVED
ANSWERS.

1) Amygdala -- Answer ✔✔ Plays a role in FEAR response w. overstim
t t t t t t t t t t t

- "Remembers the stimuli" that leads to anxiety or panic. It does this by t t t t t t t t t t t t t

increasing the efficiency of the neurotransmission at glutaminergic synapses t t t t t t t t t

in the lateral amygdala as sensory input about the stimuli comes in from the
t t t t t t t t t t t t t t

thalamus or sensory cortex. The input is then relayed to the central t t t t t t t t t t t t

amygdala where fear conditioning occurs, further strengthening the circuit at t t t t t t t t t

NMDA receptors (where learning is embedded). Therefore, when similar
t t t t t t t t t t

input from the sensory cortex and thalamus occurs, the central amygdala has
t t t t t t t t t t t

a quicker response producing fear
t t t t t

2) anterior pituitary gland -- Answer ✔✔ Involved with feelings of anxiety and
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depression. t

- Anticipatory anxiety and generalized anxiety disorders activate both the t t t t t t t t t

hypothalamic-pituitary-adrenal and the sympathoadrenal axes t t t t

3) Hippocampus -- Answer ✔✔ MEMORY t t t t

Anxiety is triggered not only by external stimuli but also internally from traumatic
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memories stored in the hippocampus. These traumatic memories activate the
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amygdala, causing it in turn, to activate other brain regions to generate a fear
t t t t t t t t t t t t t t

response. This is termed re-experiencing, and it is a particular feature of PTSD.
t t t t t t t t t t t t t

Additionally, the α5 subtype located mostly in the hippocampus have been linked to
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cognition and sedation (sleep).
t t t

-Hippocampus stores memories. With PTSD, they are re-experiencing theirt t t t t t t t t

trauma and horrible memories. So hippocampus is responsible as it reminds them
t t t t t t t t t t t t

of those bad memories
t t t

- involved in memory, coding, and retrieval t t t t t

- "The hippocampus: internal fearmonger and re-experiencing"
t t t t t

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Uploaded on: January 23, 2025
Number of pages: 4
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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