Regis College - PSYCH 643 exam 2024/2025 with questions and correct answers
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Regis College - PSYCH 643 2024/2025 with ques
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Regis College - PSYCH 643 2024/2025 With Ques
Regis College - PSYCH 643 exam 2024/2025 with questions and correct answers
What is the law of thirds? - CORRECT ANSWER-1/3 of patients will respond to medications, live relatively normal social lives, experience symptom improvement, employable, may not experience further hospitalization, a...
Regis College - PSYCH 643 exam
2024/2025 with questions and correct
answers
What is the law of thirds? - CORRECT ANSWER-1/3 of patients will respond to
medications, live relatively normal social lives, experience symptom improvement,
employable, may not experience further hospitalization, and have few residual signs
-1/3 of patients will somewhat respond to medications, symptoms will improve but will
relapse, reduced employment rates, social isolation, and need assistance with day to
day activities
-1/3 of patients will fail to respond to medications, poor social interaction, low level of
functioning, often unemployed, and experience frequent/permanent hospitalization
Compare and contrast the acute and chronic effects of antidepressant drugs on the 5-
HT synapse in order to explain why therapeutic efficacy takes several weeks to become
evident: - CORRECT ANSWER(1) Acute: reuptake transporter blocked -> increase 5-
HT in synapse + autoreceptors -> decrease 5-HT in synapse = little change in 5-HT in
synapse.
(2) Chronic: reuptake transpoter blocked -> increase 5-HT in synapse + auto receptor
down regulation -> increase 5-HT in synapse = more 5-HT in synapse.
Glutamate plays a specific role in ______ ______. - CORRECT ANSWERsynaptic
plasticity
In long term potentiation, - CORRECT ANSWERchanges that involve NMDA receptors
occur in the induction phase
What is not rich in GABA? - CORRECT ANSWERraphe nuclei
Benzos inverse agonist drugs would be: - CORRECT ANSWERanxiogenic
Alcohol is metabolized in the liver by two systems of enzymes, ______ _______ &
______ ____. - CORRECT ANSWERalcohol dehydrogenase, cytochrome P450
Alcohol and Benzos most likely show cross-tolerance and cross-dependence because
they both ______ the effects of ______ at ______ receptors. - CORRECT
ANSWERenhance, GABA, GABA-A
, What area of the brain coordinates the components of anxiety and other emotions? -
CORRECT ANSWERamygdala
What area of the brain exerts inhibitory control over the areas involved in emotions? -
CORRECT ANSWERprefrontal cortex
The consequences of early exposure to stress include ____ ___ ___ ______ and
depend on both _______ ___ ______ and ______. - CORRECT ANSWERHPA axis
response to stress, timing of stressor, gender
What factors influence the absorption and distribution of alcohol? - CORRECT
ANSWER-amount of alcohol consumed
-time in which it was consumed
-presence of food (particularly milk)
-gender (men absorb more rapidly)
-body type
-tolerance
Identify the neurotransmitters responsible for reward effects of alcohol consumption. -
CORRECT ANSWERDopamine (liking)
opiates (wanting)
Factors that affect absorption of drugs: - CORRECT ANSWER-route of administration,
cells at site of admin., metabolism, extent of binding to food or inert substances
-drug concentration
-individual differences in person (age, sex, body composition)
-solubility and ionization
-transport across membranes
Factors that contribute to bioavailability: - CORRECT ANSWER-administration route
-absorption
-distribution
-binding (target site, depots, plasma protein)
-inactivation
-excretion
What are psychoactive drugs and how do they exert their effects? - CORRECT
ANSWERPsychoactive drugs are drugs that act on the central nervous system to alter
mood & behavior. They include sedatives, stimulants, opiates, hallucinogens, and
psychiatric medications.
What is cross-tolerance? - CORRECT ANSWERTolerance in one drug from repeated
exposure to a drug with similar mechanisms of action
What is behavioral-tolerance? - CORRECT ANSWERAlterations in behaviors to adapt
or compensate
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