Module 3 Nku Msn 672 Study Guide
Questions and Answers.
Anxiety and pstd internal triggers - Answer Intrusive thoughts, memories, emotions, and
physiological sensations (increased heart rate, sob)
Anxiety and pstd external triggers - Answer Environmental cures (sounds, places, people)
Amygdala - Answer Central to detecting threats abs triggering fear responses
prefrontal cortex - Answer Regulates emotional responses and helps suppress inappropriate
fear
Hippocampus - Answer Involved in memory processing and distinguishing between real
threats and perceived ones
Hypothalamus - Answer Activates the autonomic nervous system, leading to psychological
fear responses
periaqueductal gray (PAG) - Answer Region of midbrain that plays an important role in
perception of pain; activates descending neural pathway that uses serotonin to close the "pain
gate"
periqueductal gray - Answer Coordinates defensive responses like freezing or fleeting
Acetylcholine - Answer A neurotransmitter that enables learning and memory and also
triggers muscle contraction
Norepinephrine - Answer helps control alertness and arousal; undersupply can depress
mood
Dopamine - Answer a neurotransmitter that regulates motor behavior, motivation, pleasure,
and emotional arousal
Serotonin - Answer Affects mood, hunger, sleep, and arousal
Regulates mood and sleep-wake cycle
Questions and Answers.
Anxiety and pstd internal triggers - Answer Intrusive thoughts, memories, emotions, and
physiological sensations (increased heart rate, sob)
Anxiety and pstd external triggers - Answer Environmental cures (sounds, places, people)
Amygdala - Answer Central to detecting threats abs triggering fear responses
prefrontal cortex - Answer Regulates emotional responses and helps suppress inappropriate
fear
Hippocampus - Answer Involved in memory processing and distinguishing between real
threats and perceived ones
Hypothalamus - Answer Activates the autonomic nervous system, leading to psychological
fear responses
periaqueductal gray (PAG) - Answer Region of midbrain that plays an important role in
perception of pain; activates descending neural pathway that uses serotonin to close the "pain
gate"
periqueductal gray - Answer Coordinates defensive responses like freezing or fleeting
Acetylcholine - Answer A neurotransmitter that enables learning and memory and also
triggers muscle contraction
Norepinephrine - Answer helps control alertness and arousal; undersupply can depress
mood
Dopamine - Answer a neurotransmitter that regulates motor behavior, motivation, pleasure,
and emotional arousal
Serotonin - Answer Affects mood, hunger, sleep, and arousal
Regulates mood and sleep-wake cycle
