PRaCtiCe exam all-in-one infoRmatiCs nuRse
exam Review + 450 PRaCtiCe questions with
detailed answeR exPlanation foR the anCC
infoRmatiCs nuRsing ... (Contains 3 full-length
PRaCtiCe tests)
SECTION 1: SCIENTIFIC CONCEPTS AND RESEARCH DESIGN (Questions 1-15)
Question 1
A Phase 1 clinical trial is primarily designed to evaluate:
A) Long-term safety and efficacy in a large patient population
B) The therapeutic efficacy of the investigational product
C) Safety, tolerability, and pharmacokinetics in a small group of subjects
D) Optimal use of the drug in the general population after approval
Answer: C
Rationale: Phase 1 trials introduce a new drug into humans for the first time and focus on
safety, tolerability, pharmacokinetics, and pharmacodynamics. They typically enroll a small
number of healthy volunteers (exceptions include oncology and HIV trials) .
Question 2
Which clinical trial phase is considered "pivotal" for FDA approval of a new drug?
1
, A) Phase 1
B) Phase 2
C) Phase 3
D) Phase 4
Answer: C
Rationale: Phase 3 trials are designed to establish long-term safety and efficacy in a large
patient population. They are considered pivotal for FDA approval as they provide the definitive
evidence of risk-benefit balance .
Question 3
A subject is issued 120 tablets and instructed to take 2 tablets 4 times a day. He returns 88
tablets on the morning of day 9. What is his percent compliance?
A) 50%
B) 73%
C) 83%
D) 90%
Answer: C
Rationale: Expected consumption: 2 tablets × 4 times/day × 8 days = 64 tablets should have
been taken. 120 − 88 = 32 tablets actually taken. Compliance = (32/64) × 100 = 50% .
Question 4
Which of the following BEST describes a double-blind trial?
A) Only the subject is unaware of treatment assignment
B) Only the investigator is unaware of treatment assignment
C) The subject and study team interacting with them are unaware of treatment allocation
D) The subject and the pharmacist are unaware of treatment allocation
Answer: C
Rationale: In a double-blind trial, both the participants and the study team interacting with
them (investigator, coordinators) are unaware of treatment allocation. This design minimizes
bias .
Question 5
The primary objective of a Phase 4 clinical trial is to:
2
, A) Determine the maximum tolerated dose
B) Establish therapeutic efficacy
C) Monitor long-term safety and effectiveness in the general population
D) Determine dosing intervals
Answer: C
Rationale: Phase 4 trials begin after drug approval and monitor long-term safety, effectiveness,
and optimal use in the general population. They identify rare side effects or risks missed in
earlier controlled studies .
Question 6
Pharmacokinetic (PK) sampling involves collecting biological samples to understand:
A) How the body absorbs, distributes, metabolizes, and excretes the drug
B) The therapeutic effect of the drug
C) The drug's mechanism of action
D) The drug's cost-effectiveness
Answer: A
Rationale: PK sampling involves collecting biological samples at specific times after drug
administration to understand how the body absorbs, distributes, metabolizes, and excretes the
drug .
Question 7
Which study design characteristic involves subjects receiving both active treatment and placebo
in different periods?
A) Parallel design
B) Crossover design
C) Open-label design
D) Registry design
Answer: B
Rationale: A crossover design allows subjects to receive both the active treatment and the
placebo/control in different periods, with a washout period in between .
3
, Question 8
A clinical trial where only the pharmacist and the sponsor know the identity of the IP, and the
pharmacist has no direct contact with subjects, is BEST described as:
A) Open-label
B) Single-blind
C) Double-blind
D) Double-dummy
Answer: C
Rationale: This scenario describes a double-blind trial because both the subjects and the clinical
team are blinded to treatment allocation. The pharmacist maintains the blind but has no subject
contact .
Question 9
Statistical principles related to study design include:
A) Only p-values
B) Sample size calculation, screen fail rate, and power analysis
C) Only mean and median calculations
D) Only standard deviation
Answer: B
Rationale: Statistical principles relevant to study design include sample size calculations,
expected screen fail rates, power analysis, and other considerations that ensure the study can
detect meaningful differences .
Question 10
The elements of a clinical trial protocol include:
A) Only the treatment plan
B) General information, background, objectives, trial design, subject selection, treatment,
efficacy and safety assessments, statistics, and ethics
C) Only the consent form
D) Only the investigator's brochure
Answer: B
Rationale: A comprehensive protocol includes: general information, background, trial objectives
and purpose, trial design, subject selection and withdrawal, treatment, efficacy and safety
4