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PSYC 3300 Midterm Questions with Correct Answers.
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PSYC 3300 Midterm Questions with Correct Answers.
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PSYC 3300 Midterm Questions with Correct AnswersA (enzymatically degrade the neurotransmitter molecule) Correct
Answer-~ Termination of the postsynaptic potential would be expected
from a drug or process that acts to
a. enzymatically degrade the neurotransmitter molecule
b. increase the number of postsynaptic receptors
c. increase synthesis of the neurotransmitter molecule
d. increase release of the neurotransmitter
e. blocks transport of the neurotransmitter molecule through the axon
membrane
A (The inhibitory effects of GABA act to stabilize the electrical activity
of the brain) Correct Answer-~ Which of the following is true of GABA
in the brain?
a. The inhibitory effects of GABA act to stabilize the electrical activity
of the brain
b. GABA has a general excitatory effect
c. An excess of GABA may result in epilepsy
d. GABA is involved in Parkinson's disease
e. Drugs that antagonize GABA function reduce anxiety
C (intravenous) Correct Answer-~ Neil has accidentally ingested a toxic
chemical, which has made him unconscious and will soon kill him.
Which role of administration would emergency physicians most likely
use to administer an antidote for the toxin?
a. Nasal
,b. Oral
c. Intravenous
d. Topical
e. Rectal
A (reduced number of receptors for the drug) Correct Answer-~ One
mechanism for the tolerance produced by repeated drug administration is
a(n)
a. reduced number of receptors for the drug
b. increased plasma level of the drug
c. increased number of ion channel openings in response to receptor
activation
d. increased number of receptors in the brain
e. decreased metabolism of the drug
B (hyperpolarizations; antagonist) Correct Answer-~ Activation of
dendritic auto receptors produce ____________; a drug that is an agonist
at these auto receptors would be classified as an _________ for the
synapse
a. hyperpolarizations; agonist
b. hyperpolarizations; antagonist
c. hyperpolarizations; indirect agonist
d. depolarizations; antagonist
e. action potentials; agonist
,C (site of action) Correct Answer-~ Where a drug acts in the cell would
be a
a. drug effect
b. exogenous substance
c. site of action
d. endogenous substance
e. drug
B (pharmacokinetics) Correct Answer-~ Dr. Jackson is doing research in
which she examines whether a drug effect is different depending on
whether the drug is given orally or rectally. We might say that she is
doing a study involving
a. neurochemistry
b. pharmacokinetics
c. neuropharmacology
d. neurotherapy
e. behavioral neuroscience
B (psychopharmacology) Correct Answer-~ ___________ refers to the
study of the effects of drugs on the nervous system and behavior
a. pseudopharmacology
b. psychopharmacology
c. neurochemistry
d. psychoimmunology
e. neuropharmacology
, C (sensitization) Correct Answer-~ __________ refers to an increased
behavioral effect of a drug noted with repeated administration
a) dynamic capacity
b) binding capacity
c) sensitization
d) inactivation
e) tolerance
A (oral) Correct Answer-~ The ________ route of drug administration is
most commonly used for humans
a. oral
b. topical
c. intranasal
d. intraperitoneal
e. intravascular
D (drug sensitization is less common than drug tolerance) Correct
Answer-~ Which of the following is true of drug sensitization?
a. drug sensitization involves a progressive decrease in behavioral
actions of a drug over time
b. drug sensitization is more common than drug tolerance
c. most drugs exhibit some form of sensitization
d. drug sensitization is less common than drug tolerance
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