PSYC 324 STUDY GUIDE QUESTIONS WITH
ANSWERS AND EXPLANATIONS
| American Public University
1. A person presents after recent substance use with a pattern most consistent with rapid short-term weight
reduction can occur without reducing body fat. Which substance or substance category best fits this
presentation when the history also supports the expected pharmacology?
A. Blood doping
B. Human growth hormone misuse
C. Erythropoietin misuse
D. Diuretic misuse in sport
Correct Answer: D. Diuretic misuse in sport
Explanation: Diuretic misuse in sport fits because its characteristic acute pattern includes rapid short-term weight
reduction can occur without reducing body fat. A final clinical conclusion would still consider dose, route, co-use,
and medical alternatives.
2. A case has already been identified as involving Pharmacodynamics. Which follow-up interpretation best
uses that concept in a practical decision?
A. Apply the concept by assuming that different neurobehavioral effects of the same drug can show different
adaptation patterns
B. Apply the concept by assuming that dependence can be expected with some medications and should be
managed safely rather than stigmatized
C. Apply the concept by recognizing that mechanism of action helps explain both therapeutic effects and adverse
effects
D. Apply the concept by assuming that tolerance is one pharmacologic adaptation that must be interpreted in
clinical context
Correct Answer: C. Apply the concept by recognizing that mechanism of action helps explain both therapeutic
effects and adverse effects
Explanation: The strongest application is to recognize that mechanism of action helps explain both therapeutic
effects and adverse effects. Naming a concept is not enough; it must be used within its actual limits and decision
context.
3. Which risk should receive the greatest attention when evaluating harmful use of Opioid plus benzodiazepine
co-use?
A. combined opioid and xylazine exposure can deepen sedation; chronic exposure has been associated with
severe skin wounds
B. overdose risk is substantially higher than with either medication used alone as directed
C. combined effects can increase respiratory depression, aspiration, accidents, and death
D. a person may unknowingly take a lethal opioid dose because appearance does not reveal actual ingredients
Correct Answer: B. overdose risk is substantially higher than with either medication used alone as directed
Explanation: The major concern is that overdose risk is substantially higher than with either medication used alone
as directed. Risk assessment should also consider co-use, medical history, dose uncertainty, and the setting in which
use occurred.
,4. Which mechanism best explains the major psychoactive effects associated with Human growth hormone
misuse?
A. increases renal excretion of sodium and water, reducing body fluid volume
B. raises oxygen-carrying capacity by increasing circulating red blood cells
C. stimulates growth-related pathways including IGF-1 signaling
D. androgen receptor activation increases protein synthesis and anabolic effects
Correct Answer: C. stimulates growth-related pathways including IGF-1 signaling
Explanation: The best mechanism is that stimulates growth-related pathways including IGF-1 signaling. Linking
receptor or transmitter actions to behavior helps distinguish drugs that may produce superficially similar
intoxication.
5. Which concept is best described as the ability to obtain timely, affordable, acceptable, evidence-based care
at an appropriate level of intensity?
A. Dietary supplement quality assurance
B. Randomized controlled trial
C. Counterfeit medication awareness
D. Treatment access
Correct Answer: D. Treatment access
Explanation: Treatment access is the ability to obtain timely, affordable, acceptable, evidence-based care at an
appropriate level of intensity. The definition identifies the specific public-health or research function being tested.
6. A case has already been identified as involving Sensitization. Which follow-up interpretation best uses that
concept in a practical decision?
A. Apply the concept by recognizing that different neurobehavioral effects of the same drug can show different
adaptation patterns
B. Apply the concept by assuming that narrow safety margins raise concern for accidental poisoning and
interactions
C. Apply the concept by assuming that shared receptor systems can influence substitution, withdrawal
management, and overdose risk
D. Apply the concept by assuming that dependence can be expected with some medications and should be
managed safely rather than stigmatized
Correct Answer: A. Apply the concept by recognizing that different neurobehavioral effects of the same drug
can show different adaptation patterns
Explanation: The strongest application is to recognize that different neurobehavioral effects of the same drug can
show different adaptation patterns. Naming a concept is not enough; it must be used within its actual limits and
decision context.
,7. Which implication follows most logically from the concept of Operant conditioning?
A. dopamine-related learning helps strengthen drug-associated behavior and cues
B. medical framing can reduce stigma and support treatment access when combined with broader psychosocial
understanding
C. contingency management deliberately uses operant principles to reinforce recovery behaviors
D. cognitive-behavioral treatment can target expectancies and coping strategies linked to use
Correct Answer: C. contingency management deliberately uses operant principles to reinforce recovery
behaviors
Explanation: The strongest implication is that contingency management deliberately uses operant principles to
reinforce recovery behaviors. This follows directly from the meaning of Operant conditioning and avoids
overgeneralizing beyond the evidence.
8. Which risk should receive the greatest attention when evaluating harmful use of Blood doping?
A. endocrine suppression, infertility, dyslipidemia, hypertension, liver problems with some agents, and
cardiovascular risk can occur
B. excessive red cell concentration raises blood viscosity and can increase thrombosis, stroke, or cardiovascular
risk
C. greater blood viscosity can raise thrombotic and cardiovascular risk
D. edema, joint pain, insulin resistance, cardiometabolic strain, and acromegaly-like changes can occur with
chronic excess
Correct Answer: C. greater blood viscosity can raise thrombotic and cardiovascular risk
Explanation: The major concern is that greater blood viscosity can raise thrombotic and cardiovascular risk. Risk
assessment should also consider co-use, medical history, dose uncertainty, and the setting in which use occurred.
9. A case has already been identified as involving Medication treatment for SUD. Which follow-up
interpretation best uses that concept in a practical decision?
A. Apply the concept by recognizing that medications can improve retention and outcomes for disorders where
effective options exist
B. Apply the concept by assuming that ongoing treatment and recovery support are needed because withdrawal
management alone has high recurrence risk
C. Apply the concept by assuming that frequent, immediate, meaningful rewards can strengthen alternative
behaviors
D. Apply the concept by assuming that fit, preference, accessibility, and recovery goals affect whether a group is
helpful
Correct Answer: A. Apply the concept by recognizing that medications can improve retention and outcomes for
disorders where effective options exist
Explanation: The strongest application is to recognize that medications can improve retention and outcomes for
disorders where effective options exist. Naming a concept is not enough; it must be used within its actual limits and
decision context.
, 10. A person presents after recent substance use with a pattern most consistent with improved endurance can
occur when red cell mass increases. Which substance or substance category best fits this presentation when the
history also supports the expected pharmacology?
A. Anabolic-androgenic steroids
B. Blood doping
C. Erythropoietin misuse
D. Human growth hormone misuse
Correct Answer: C. Erythropoietin misuse
Explanation: Erythropoietin misuse fits because its characteristic acute pattern includes improved endurance can
occur when red cell mass increases. A final clinical conclusion would still consider dose, route, co-use, and medical
alternatives.
11. Which reasoning error would most clearly undermine correct use of Synergistic interaction?
A. assuming all repeated drug exposure always reduces every drug effect
B. using tolerance alone as proof of a substance use disorder
C. assuming a drug is completely gone after one half-life
D. treating a high-risk combination as if each drug's effect can be considered independently
Correct Answer: D. treating a high-risk combination as if each drug's effect can be considered independently
Explanation: The error is treating a high-risk combination as if each drug's effect can be considered independently.
Correct use of Synergistic interaction depends on recognizing that a combined drug effect greater than would be
expected from simple addition.
12. What is the primary therapeutic purpose of Integrated dual-diagnosis treatment?
A. blocks opioid receptors and prevents opioid agonists from producing their usual effects
B. prevents and treats severe alcohol withdrawal complications while monitoring autonomic and neurologic
status
C. reduces craving and withdrawal while diminishing nicotine reward through partial agonism at alpha4beta2
nicotinic receptors
D. coordinates care for substance use and co-occurring psychiatric disorders within one coherent plan
Correct Answer: D. coordinates care for substance use and co-occurring psychiatric disorders within one
coherent plan
Explanation: Integrated dual-diagnosis treatment is used because it coordinates care for substance use and
co-occurring psychiatric disorders within one coherent plan. Its place in care depends on the substance involved and
the patient's clinical needs.
ANSWERS AND EXPLANATIONS
| American Public University
1. A person presents after recent substance use with a pattern most consistent with rapid short-term weight
reduction can occur without reducing body fat. Which substance or substance category best fits this
presentation when the history also supports the expected pharmacology?
A. Blood doping
B. Human growth hormone misuse
C. Erythropoietin misuse
D. Diuretic misuse in sport
Correct Answer: D. Diuretic misuse in sport
Explanation: Diuretic misuse in sport fits because its characteristic acute pattern includes rapid short-term weight
reduction can occur without reducing body fat. A final clinical conclusion would still consider dose, route, co-use,
and medical alternatives.
2. A case has already been identified as involving Pharmacodynamics. Which follow-up interpretation best
uses that concept in a practical decision?
A. Apply the concept by assuming that different neurobehavioral effects of the same drug can show different
adaptation patterns
B. Apply the concept by assuming that dependence can be expected with some medications and should be
managed safely rather than stigmatized
C. Apply the concept by recognizing that mechanism of action helps explain both therapeutic effects and adverse
effects
D. Apply the concept by assuming that tolerance is one pharmacologic adaptation that must be interpreted in
clinical context
Correct Answer: C. Apply the concept by recognizing that mechanism of action helps explain both therapeutic
effects and adverse effects
Explanation: The strongest application is to recognize that mechanism of action helps explain both therapeutic
effects and adverse effects. Naming a concept is not enough; it must be used within its actual limits and decision
context.
3. Which risk should receive the greatest attention when evaluating harmful use of Opioid plus benzodiazepine
co-use?
A. combined opioid and xylazine exposure can deepen sedation; chronic exposure has been associated with
severe skin wounds
B. overdose risk is substantially higher than with either medication used alone as directed
C. combined effects can increase respiratory depression, aspiration, accidents, and death
D. a person may unknowingly take a lethal opioid dose because appearance does not reveal actual ingredients
Correct Answer: B. overdose risk is substantially higher than with either medication used alone as directed
Explanation: The major concern is that overdose risk is substantially higher than with either medication used alone
as directed. Risk assessment should also consider co-use, medical history, dose uncertainty, and the setting in which
use occurred.
,4. Which mechanism best explains the major psychoactive effects associated with Human growth hormone
misuse?
A. increases renal excretion of sodium and water, reducing body fluid volume
B. raises oxygen-carrying capacity by increasing circulating red blood cells
C. stimulates growth-related pathways including IGF-1 signaling
D. androgen receptor activation increases protein synthesis and anabolic effects
Correct Answer: C. stimulates growth-related pathways including IGF-1 signaling
Explanation: The best mechanism is that stimulates growth-related pathways including IGF-1 signaling. Linking
receptor or transmitter actions to behavior helps distinguish drugs that may produce superficially similar
intoxication.
5. Which concept is best described as the ability to obtain timely, affordable, acceptable, evidence-based care
at an appropriate level of intensity?
A. Dietary supplement quality assurance
B. Randomized controlled trial
C. Counterfeit medication awareness
D. Treatment access
Correct Answer: D. Treatment access
Explanation: Treatment access is the ability to obtain timely, affordable, acceptable, evidence-based care at an
appropriate level of intensity. The definition identifies the specific public-health or research function being tested.
6. A case has already been identified as involving Sensitization. Which follow-up interpretation best uses that
concept in a practical decision?
A. Apply the concept by recognizing that different neurobehavioral effects of the same drug can show different
adaptation patterns
B. Apply the concept by assuming that narrow safety margins raise concern for accidental poisoning and
interactions
C. Apply the concept by assuming that shared receptor systems can influence substitution, withdrawal
management, and overdose risk
D. Apply the concept by assuming that dependence can be expected with some medications and should be
managed safely rather than stigmatized
Correct Answer: A. Apply the concept by recognizing that different neurobehavioral effects of the same drug
can show different adaptation patterns
Explanation: The strongest application is to recognize that different neurobehavioral effects of the same drug can
show different adaptation patterns. Naming a concept is not enough; it must be used within its actual limits and
decision context.
,7. Which implication follows most logically from the concept of Operant conditioning?
A. dopamine-related learning helps strengthen drug-associated behavior and cues
B. medical framing can reduce stigma and support treatment access when combined with broader psychosocial
understanding
C. contingency management deliberately uses operant principles to reinforce recovery behaviors
D. cognitive-behavioral treatment can target expectancies and coping strategies linked to use
Correct Answer: C. contingency management deliberately uses operant principles to reinforce recovery
behaviors
Explanation: The strongest implication is that contingency management deliberately uses operant principles to
reinforce recovery behaviors. This follows directly from the meaning of Operant conditioning and avoids
overgeneralizing beyond the evidence.
8. Which risk should receive the greatest attention when evaluating harmful use of Blood doping?
A. endocrine suppression, infertility, dyslipidemia, hypertension, liver problems with some agents, and
cardiovascular risk can occur
B. excessive red cell concentration raises blood viscosity and can increase thrombosis, stroke, or cardiovascular
risk
C. greater blood viscosity can raise thrombotic and cardiovascular risk
D. edema, joint pain, insulin resistance, cardiometabolic strain, and acromegaly-like changes can occur with
chronic excess
Correct Answer: C. greater blood viscosity can raise thrombotic and cardiovascular risk
Explanation: The major concern is that greater blood viscosity can raise thrombotic and cardiovascular risk. Risk
assessment should also consider co-use, medical history, dose uncertainty, and the setting in which use occurred.
9. A case has already been identified as involving Medication treatment for SUD. Which follow-up
interpretation best uses that concept in a practical decision?
A. Apply the concept by recognizing that medications can improve retention and outcomes for disorders where
effective options exist
B. Apply the concept by assuming that ongoing treatment and recovery support are needed because withdrawal
management alone has high recurrence risk
C. Apply the concept by assuming that frequent, immediate, meaningful rewards can strengthen alternative
behaviors
D. Apply the concept by assuming that fit, preference, accessibility, and recovery goals affect whether a group is
helpful
Correct Answer: A. Apply the concept by recognizing that medications can improve retention and outcomes for
disorders where effective options exist
Explanation: The strongest application is to recognize that medications can improve retention and outcomes for
disorders where effective options exist. Naming a concept is not enough; it must be used within its actual limits and
decision context.
, 10. A person presents after recent substance use with a pattern most consistent with improved endurance can
occur when red cell mass increases. Which substance or substance category best fits this presentation when the
history also supports the expected pharmacology?
A. Anabolic-androgenic steroids
B. Blood doping
C. Erythropoietin misuse
D. Human growth hormone misuse
Correct Answer: C. Erythropoietin misuse
Explanation: Erythropoietin misuse fits because its characteristic acute pattern includes improved endurance can
occur when red cell mass increases. A final clinical conclusion would still consider dose, route, co-use, and medical
alternatives.
11. Which reasoning error would most clearly undermine correct use of Synergistic interaction?
A. assuming all repeated drug exposure always reduces every drug effect
B. using tolerance alone as proof of a substance use disorder
C. assuming a drug is completely gone after one half-life
D. treating a high-risk combination as if each drug's effect can be considered independently
Correct Answer: D. treating a high-risk combination as if each drug's effect can be considered independently
Explanation: The error is treating a high-risk combination as if each drug's effect can be considered independently.
Correct use of Synergistic interaction depends on recognizing that a combined drug effect greater than would be
expected from simple addition.
12. What is the primary therapeutic purpose of Integrated dual-diagnosis treatment?
A. blocks opioid receptors and prevents opioid agonists from producing their usual effects
B. prevents and treats severe alcohol withdrawal complications while monitoring autonomic and neurologic
status
C. reduces craving and withdrawal while diminishing nicotine reward through partial agonism at alpha4beta2
nicotinic receptors
D. coordinates care for substance use and co-occurring psychiatric disorders within one coherent plan
Correct Answer: D. coordinates care for substance use and co-occurring psychiatric disorders within one
coherent plan
Explanation: Integrated dual-diagnosis treatment is used because it coordinates care for substance use and
co-occurring psychiatric disorders within one coherent plan. Its place in care depends on the substance involved and
the patient's clinical needs.