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PSYA01 Questions and Answers for mTuner 02 CA$16.98
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Exam (elaborations)

PSYA01 Questions and Answers for mTuner 02

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Full answers for 40 mcq mTuners questions with Prof Joordens

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  • March 21, 2024
  • 11
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers
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‭ Q. How does the administration of Botox in cosmetic procedures help reduce the‬
1
‭appearance of wrinkles?‬
‭a.‬ ‭Acetylcholine is involved in muscle action so by inhibiting its release muscles become‬
‭more active.‬
‭b.‬ ‭Acetylcholine is involved in muscle action so by increasing its release muscles become‬
‭more active.‬
‭c.‬ ‭Acetylcholine is involved in muscle action so by inhibiting its release muscles‬
‭become paralyzed.‬
‭d.‬ ‭Acetylcholine is involved in muscle action so by increasing its release muscles become‬
‭paralyzed.‬


‭2Q.‬‭Alcohol is known to be a depressant i.e. it causes‬‭neurons to be inactivated/or‬
i‭nhibited. The administration of a substance that causes the release of acetylcholine‬
‭would have what effect on these inactivated neurons?‬
‭ .‬ T
a ‭ he neurons would become more hyperpolarized.‬
‭b.‬ ‭The neurons would remain hyperpolarized.‬
‭c.‬ ‭The neurons would become more depolarized.‬
‭d.‬ ‭The neurons would become less depolarized.‬


‭3Q. The smallest amount of a particular stimulus required for a difference in‬
‭magnitude to be detected is known as the ____________.‬
‭a.‬ ‭difference threshold‬
‭b.‬ ‭magnitude threshold‬
‭c.‬ ‭absolute magnitude‬
‭d.‬ ‭absolute threshold‬


‭ Q. Patient A has taken drug X which is a partial agonist of the serotonin receptor. Patient B‬
4
‭has taken drug Y which is an antagonist of the serotonin receptor. Which patient will have an‬
‭elevated mood?‬
‭Drug X and Y‬
‭It depends on whether the drugs cause an excitatory or inhibitory effect on the‬
‭postsynaptic neuron.‬
‭Drug X‬
‭Drug Y‬

‭5Q. How do oligodendrocytes differ from Schwann cells ?‬
‭ chwann cells myelinate within the central nervous system‬
S
‭Schwann cells myelinate outside of the central nervous system‬
‭Two of the options are correct.‬
‭Oligodendrocytes myelinate within the central nervous system‬

, ‭ Q. Our ability to read a friend's messy handwritten note is an example of a process that‬
6
‭combines top-down processing with ________.‬
‭the principle of proximity‬
‭affective state‬
‭Memory‬
‭Sensation‬


‭ ?? 7Q. Ion channels can be opened by ____ and/or ____.‬
?
‭Action potentials; neurotransmitters.‬
‭Depolarization; action potentials‬‭Wrong‬
‭Action potentials; voltage‬
‭Neurotransmitters; voltage‬



‭8‬‭Q. Two friends are watching a presidential debate‬‭between a republican and democrat‬
‭ andidate. Even though they watch the exact same exchange, afterwards they strongly‬
c
‭disagree on who "won" the debate. What causes them to view the same events differently?‬

‭In Milgram's classic experiment, the effect of an authority figure on the‬
‭likelihood of a person following instructions, even when those instructions‬
‭were to hurt someone, was tested. What important ethical issue is highlighted‬
‭by this experiment?‬


‭they have different bottom-up processing‬

‭they have different IQs‬

‭they have different occipital lobes‬

‭9Q‬‭There are two main pathways we use to understand‬‭visual information. When we‬
‭notice that someone is walking up behind us we are mainly using which pathway?‬

‭dorsal stream‬


‭optic tract‬


‭feature detector‬


‭ventral stream‬


‭10Q Descartes believed that animals did not experience real pain during vivisections‬
‭because:‬
‭He believed that animals did not have Rational Souls.‬

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