ANSC 3270 Midterm 1 Exam Latest 2026 Updated Questions
and Verified 100% Solutions (2026/2027) |A+ Graded
|Guaranteed Pass
What are glial cells - Answers -specialized cells that support neurons
What 2 molecules can pass through the blood brain barrier - Answers -lipid soluble and tiny
molecule
What are the three key forebrain regions that process threats - Answers -1. prefrontal cortex
2. amygdala
3. hippocampus
What two regions of the brain are limbic regions that exert control over HPA and ANS systems -
Answers -amygdala and hippocampus
What does the amygdala do - Answers -processes information about fearful stimuli and
mediated fear behaviour and unlearning
Yerkes-Dodson Law - Answers -performance increases as stress increases. this hits a fine line
before stress over takes performance again
1|Page
,What is the emotional result of an anxious person - Answers -failure to achieve resolution of
perceived threats resulting in sustained threat perception
What is a definition of anxiety in animals - Answers -prone to fear responses even when real
danger is low to absent
What part of the brain is anxiety associated with - Answers -larger more active amygdalae
Greater amygdala responses to threat is correlated with - Answers -the severity of anxiety
symptoms
What 2 neurotransmitters when decreased leads to increased anxiety-like behaviour in the
amygdala - Answers -5-HT and DA activity
What do SSRI's really do - Answers -promote 5-HT release
What is 5=HT - Answers -serotonin
dysfunction of the amygdala arises from inadequate control by the - Answers -prefrontal cortex
2|Page
, what are 5 possible factors for conferring risk of anxiety - Answers -1. genetics
2. being inactive
3. being elderly
4. stressful rearing in infancy
5. recent or current stress
Relationship stress predicted development of - Answers -anxiety
money stress predicted the development of - Answers -depression
What is amygdalae latin for - Answers -almonds
What shrinks in stressed rats - Answers -prefrontal cortex
What is a reason stress and anxiety are linked - Answers -anxiety is associated with elevated
inflammation
What does the release of pro-inflammatory cytokines do to anxiety - Answers -makes the brain
hyper-vigilant and anxious
3|Page
and Verified 100% Solutions (2026/2027) |A+ Graded
|Guaranteed Pass
What are glial cells - Answers -specialized cells that support neurons
What 2 molecules can pass through the blood brain barrier - Answers -lipid soluble and tiny
molecule
What are the three key forebrain regions that process threats - Answers -1. prefrontal cortex
2. amygdala
3. hippocampus
What two regions of the brain are limbic regions that exert control over HPA and ANS systems -
Answers -amygdala and hippocampus
What does the amygdala do - Answers -processes information about fearful stimuli and
mediated fear behaviour and unlearning
Yerkes-Dodson Law - Answers -performance increases as stress increases. this hits a fine line
before stress over takes performance again
1|Page
,What is the emotional result of an anxious person - Answers -failure to achieve resolution of
perceived threats resulting in sustained threat perception
What is a definition of anxiety in animals - Answers -prone to fear responses even when real
danger is low to absent
What part of the brain is anxiety associated with - Answers -larger more active amygdalae
Greater amygdala responses to threat is correlated with - Answers -the severity of anxiety
symptoms
What 2 neurotransmitters when decreased leads to increased anxiety-like behaviour in the
amygdala - Answers -5-HT and DA activity
What do SSRI's really do - Answers -promote 5-HT release
What is 5=HT - Answers -serotonin
dysfunction of the amygdala arises from inadequate control by the - Answers -prefrontal cortex
2|Page
, what are 5 possible factors for conferring risk of anxiety - Answers -1. genetics
2. being inactive
3. being elderly
4. stressful rearing in infancy
5. recent or current stress
Relationship stress predicted development of - Answers -anxiety
money stress predicted the development of - Answers -depression
What is amygdalae latin for - Answers -almonds
What shrinks in stressed rats - Answers -prefrontal cortex
What is a reason stress and anxiety are linked - Answers -anxiety is associated with elevated
inflammation
What does the release of pro-inflammatory cytokines do to anxiety - Answers -makes the brain
hyper-vigilant and anxious
3|Page
