PSIO Exam 3 Question and answers
already passed 2025/2026
Which of the following is NOT a function of sympathetic activation?
-Synthesis of glucose
-Breakdown of protein
-Breakdown of glycogen.
-Breakdown of fat - correct answer ✔-Breakdown of protein
Major infection suppresses cortisol release.
True/False - correct answer ✔False
The HPA axis include the following components:
-Hypothalamus, posterior pituitary gland and adrenal cortex
-Hypothalamus, posterior pituitary gland and adrenal medulla
-Hypothalamus, anterior pituitary gland and adrenal medulla
-Hypothalamus, anterior pituitary gland and adrenal cortex - correct answer ✔Hypothalamus, anterior
pituitary gland and adrenal cortex
Which of the following endocrine dysregulation contributes to PSTD?
-An abnormally low level of CRH
-An abnormally low level of cortisol
-An abnormally low level of NE
,-An abnormally log level of E - correct answer ✔-An abnormally low level of cortisol
Stress can improve or impair learning memory depending on the nature of the stress.
True/False - correct answer ✔True
Sensory information from your internal organ is sent to the brain through the following nerve
-General visceral sensory nerve
-Special visceral sensory nerve
-Autonomic nerve
-General somatic motor nerve - correct answer ✔General visceral sensory nerve
Which of the following types of cells can carry out phagocytosis?
-Microglia
-Neurons
-Oligodendrocytes
-Ependymal cells - correct answer ✔Microglia
Somatic sensory nuclei of the spinal cord are located in the lateral horns.
True/ False - correct answer ✔FALSE
Hypothalamus is part of the
-Limbic system
, -Brainstem
-Forebrain
-Reticular formation - correct answer ✔Forebrain
(a part of the diencephalon which is a part of the forebrain)
The brain can sense cytokines released by peripheral immune cells through the following means EXCEPT
-Cytokines circumventing blood-brain barrier at circumventricular organs.
-Cytokines being transported across the blood-brain barrier.
-Cytokines activating general visceral sensory nerves.
-Cytokines crossing intact blood-brain barrier by diffusion. - correct answer ✔Cytokines crossing intact
blood-brain barrier by diffusion.
Which of the following manipulations does NOT impair the retrieval (i.e., the expression) of learned fear
response to context.
-lesions of anterior cingulate cortex 1 month after the initial training
-Lesions of the hippocampus 1 day after the initial training
-Lesions of the amygdala 1 month after the initial training
-lesions of hippocampus 1 month after the initial training - correct answer ✔lesions of hippocampus 1
month after the initial training
To train your dogs, you give them a treat every time they obey your command. In this type of situation,
they learn through
-Classical conditioning
-Habituation
already passed 2025/2026
Which of the following is NOT a function of sympathetic activation?
-Synthesis of glucose
-Breakdown of protein
-Breakdown of glycogen.
-Breakdown of fat - correct answer ✔-Breakdown of protein
Major infection suppresses cortisol release.
True/False - correct answer ✔False
The HPA axis include the following components:
-Hypothalamus, posterior pituitary gland and adrenal cortex
-Hypothalamus, posterior pituitary gland and adrenal medulla
-Hypothalamus, anterior pituitary gland and adrenal medulla
-Hypothalamus, anterior pituitary gland and adrenal cortex - correct answer ✔Hypothalamus, anterior
pituitary gland and adrenal cortex
Which of the following endocrine dysregulation contributes to PSTD?
-An abnormally low level of CRH
-An abnormally low level of cortisol
-An abnormally low level of NE
,-An abnormally log level of E - correct answer ✔-An abnormally low level of cortisol
Stress can improve or impair learning memory depending on the nature of the stress.
True/False - correct answer ✔True
Sensory information from your internal organ is sent to the brain through the following nerve
-General visceral sensory nerve
-Special visceral sensory nerve
-Autonomic nerve
-General somatic motor nerve - correct answer ✔General visceral sensory nerve
Which of the following types of cells can carry out phagocytosis?
-Microglia
-Neurons
-Oligodendrocytes
-Ependymal cells - correct answer ✔Microglia
Somatic sensory nuclei of the spinal cord are located in the lateral horns.
True/ False - correct answer ✔FALSE
Hypothalamus is part of the
-Limbic system
, -Brainstem
-Forebrain
-Reticular formation - correct answer ✔Forebrain
(a part of the diencephalon which is a part of the forebrain)
The brain can sense cytokines released by peripheral immune cells through the following means EXCEPT
-Cytokines circumventing blood-brain barrier at circumventricular organs.
-Cytokines being transported across the blood-brain barrier.
-Cytokines activating general visceral sensory nerves.
-Cytokines crossing intact blood-brain barrier by diffusion. - correct answer ✔Cytokines crossing intact
blood-brain barrier by diffusion.
Which of the following manipulations does NOT impair the retrieval (i.e., the expression) of learned fear
response to context.
-lesions of anterior cingulate cortex 1 month after the initial training
-Lesions of the hippocampus 1 day after the initial training
-Lesions of the amygdala 1 month after the initial training
-lesions of hippocampus 1 month after the initial training - correct answer ✔lesions of hippocampus 1
month after the initial training
To train your dogs, you give them a treat every time they obey your command. In this type of situation,
they learn through
-Classical conditioning
-Habituation
