NAPSRx CNPR Exam (Revised 18th Edition) 2025–
2026 – Questions with Detailed Verified Answers
(100% Correct, Graded A+)
potency vs efficacy - ANSWER -potency: amount of drug necessary to produce
desired effect
efficacy: magnitude of maximal response that can be received from a drug
*efficacy is almost always more important that potency* (p. 106)
the four phases of clinical trials - ANSWER -phases I-IV (P. 124-126)
Key Parts Of A Clinical Paper (5) - ANSWER -Abstract, Introduction, methods,
results, discussion/conclusions (p. 128-129)
reliability vs validity - ANSWER -reliability = consistency and validity = accuracy
(p. 138; 143)
sampling error vs selection bias - ANSWER -sampling error is unbiased and is
randomly chosen from the population.
selection bias is when the sample was specifically chosen based on particular
characteristics (p.142-143)
independent vs dependent variable - ANSWER -An independent variable is the
one that influences the variation. A dependent variable is the variable being tested
and measured in a scientific experiment (the result of applying the independent
variable).
Drug Utilization Review (DUR) programs - ANSWER --involve retrospective
monitoring of physicians' prescribing patterns
-more than 90% of HMOs require DURs
-nowadays mostly monitors cost savings (p. 181)
, opportunity cost - ANSWER -based on the premise that all resources are scarce,
and therefore every time we choose to use a resource it reduces the possibility of it
being used in another way.
what type of DTC advertising is the only legal form in Europe? - ANSWER -
Disease-state or unbranded ads (provides public information on a disease, not a
drug)
(p. 223)
can pharm sales reps offer doctors meals? (PhRMA code) - ANSWER -company
reps can only offer occasional meals as long as they are modest, and only offered
in an office/hospital setting in conjunction with an educational presentation. (p.
228)
FAQ about the PhRMA code - ANSWER -p. 268-274
Urology and selling to Urologists - ANSWER -p. 300-301
what is a Medical Science Liaison (MLS)? - ANSWER -they serve as educators
and field-based medical resources. they interface between their company and
healthcare leaders.
push through vs pull through sales strategies - ANSWER -- push-through refers to
the company's overall efforts to demonstrate clinical efficiency and efficacy and
cost effectiveness of a product.
- pull-through generates demand for the product, usually in ways consistent with
the health plans goals and guidelines. (p. 311)
drug labeling requirements FDA - ANSWER -https://www.fda.gov/about-
fda/oncology-center-excellence/how-do-i-use-prescription-drug-labeling#Section-
10
What is predictive validity? - ANSWER -the ability of an indicator to correctly
predict an outcome.
2026 – Questions with Detailed Verified Answers
(100% Correct, Graded A+)
potency vs efficacy - ANSWER -potency: amount of drug necessary to produce
desired effect
efficacy: magnitude of maximal response that can be received from a drug
*efficacy is almost always more important that potency* (p. 106)
the four phases of clinical trials - ANSWER -phases I-IV (P. 124-126)
Key Parts Of A Clinical Paper (5) - ANSWER -Abstract, Introduction, methods,
results, discussion/conclusions (p. 128-129)
reliability vs validity - ANSWER -reliability = consistency and validity = accuracy
(p. 138; 143)
sampling error vs selection bias - ANSWER -sampling error is unbiased and is
randomly chosen from the population.
selection bias is when the sample was specifically chosen based on particular
characteristics (p.142-143)
independent vs dependent variable - ANSWER -An independent variable is the
one that influences the variation. A dependent variable is the variable being tested
and measured in a scientific experiment (the result of applying the independent
variable).
Drug Utilization Review (DUR) programs - ANSWER --involve retrospective
monitoring of physicians' prescribing patterns
-more than 90% of HMOs require DURs
-nowadays mostly monitors cost savings (p. 181)
, opportunity cost - ANSWER -based on the premise that all resources are scarce,
and therefore every time we choose to use a resource it reduces the possibility of it
being used in another way.
what type of DTC advertising is the only legal form in Europe? - ANSWER -
Disease-state or unbranded ads (provides public information on a disease, not a
drug)
(p. 223)
can pharm sales reps offer doctors meals? (PhRMA code) - ANSWER -company
reps can only offer occasional meals as long as they are modest, and only offered
in an office/hospital setting in conjunction with an educational presentation. (p.
228)
FAQ about the PhRMA code - ANSWER -p. 268-274
Urology and selling to Urologists - ANSWER -p. 300-301
what is a Medical Science Liaison (MLS)? - ANSWER -they serve as educators
and field-based medical resources. they interface between their company and
healthcare leaders.
push through vs pull through sales strategies - ANSWER -- push-through refers to
the company's overall efforts to demonstrate clinical efficiency and efficacy and
cost effectiveness of a product.
- pull-through generates demand for the product, usually in ways consistent with
the health plans goals and guidelines. (p. 311)
drug labeling requirements FDA - ANSWER -https://www.fda.gov/about-
fda/oncology-center-excellence/how-do-i-use-prescription-drug-labeling#Section-
10
What is predictive validity? - ANSWER -the ability of an indicator to correctly
predict an outcome.
