PSIO 305 PTSD QUIZ 1 QUESTIONS & ANSWERS
Which of the following is incorrect?
Cortisol inhibit CRH release
CRH activates sympathetic system
ACTH stimulates cortisol release
Cortisol activates sympathetic system
Sympathetic system activates adrenal medulla - Answer -Answer: Cortisol activates the
sympathetic system
Cortisol acts as an inhibitor for the sympathetic system (negative feedback loop)
The ultimate goal of physiological stress response is to... - Answer -Answer: Maintain
or re-gain homeostasis
After stressor is dealt with body must regain homeostasis
During early phases of acute stress, activity increases in the following systems
except...?
Respiratory
Parasympathetic
Cadiovascular
Sympathetic
HPA axis - Answer -Answer: Parasympathetic
Parasympathetic activates the "rest-and-digest" pathway
Which of the following types of cells can perform phagocytosis?
Astrocytes
Ependymal cells
Motor neurons
Microglia
Schwann cells - Answer -Answer: Microglia
Microglia are considered the "Macrophages of the Brain"
Which of the following is a mixed (ei.e., sensory and motor) cranial nerve?
Accessory
Vestibulocochlear
Olfactory
Which of the following is incorrect?
Cortisol inhibit CRH release
CRH activates sympathetic system
ACTH stimulates cortisol release
Cortisol activates sympathetic system
Sympathetic system activates adrenal medulla - Answer -Answer: Cortisol activates the
sympathetic system
Cortisol acts as an inhibitor for the sympathetic system (negative feedback loop)
The ultimate goal of physiological stress response is to... - Answer -Answer: Maintain
or re-gain homeostasis
After stressor is dealt with body must regain homeostasis
During early phases of acute stress, activity increases in the following systems
except...?
Respiratory
Parasympathetic
Cadiovascular
Sympathetic
HPA axis - Answer -Answer: Parasympathetic
Parasympathetic activates the "rest-and-digest" pathway
Which of the following types of cells can perform phagocytosis?
Astrocytes
Ependymal cells
Motor neurons
Microglia
Schwann cells - Answer -Answer: Microglia
Microglia are considered the "Macrophages of the Brain"
Which of the following is a mixed (ei.e., sensory and motor) cranial nerve?
Accessory
Vestibulocochlear
Olfactory