ATI PHARMACOLOGY PROCTORED
EXAM REVIEW
2026/2027 Edition | NGN-Integrated | 70 Questions
Official Elsevier ATI Content Mastery Series® Specification
Aligned with NCSBN NCLEX-RN Detailed Test Plan
Pharmacological and Parenteral Therapies Domain
Page 1
,Table of Contents
Section 1: Pharmacokinetics & Pharmacodynamics Fundamentals — Questions 1–6
Section 2: Medication Administration Principles — Questions 7–11
Section 3: Dosage Calculations & IV Therapy — Questions 12–16
Section 4: Cardiovascular Pharmacology — Questions 17–23
Section 5: Respiratory Pharmacology — Questions 24–28
Section 6: Endocrine Pharmacology — Questions 29–35
Section 7: Antibiotics & Anti-Infectives — Questions 36–41
Section 8: Pain Management & CNS Pharmacology — Questions 42–48
Section 9: Psychiatric & Neurological Medications — Questions 49–53
Section 10: Gastrointestinal Pharmacology — Questions 54–57
Section 11: Nursing Implications & Patient Education — Questions 58–62
Section 12: Legal/Ethical Standards in Medication Practice — Questions 63–66
Section 13: NGN Test-Taking Strategies & Integrated Scenarios — Questions 67–70
Page 2
,Section 1: Pharmacokinetics & Pharmacodynamics
Fundamentals
Question 1. A nurse is teaching a client about a newly prescribed medication that undergoes
extensive first-pass metabolism. Which statement by the client indicates understanding?
A) "I should take this medication with a high-fat meal."
B) "This medication will be most effective if taken sublingually."
C) "This medication may require a higher dose when taken orally because the liver breaks
down much of it before it reaches my bloodstream."
D) "I should expect this medication to work faster if I crush the tablet."
Rationale: First-pass metabolism refers to the hepatic degradation of oral medications before they reach
systemic circulation, significantly reducing bioavailability. Sublingual administration bypasses the portal
circulation and first-pass effect. The client correctly identifies that oral dosing may require higher
amounts to compensate. Crushing tablets does not bypass hepatic metabolism and high-fat meals
primarily affect absorption, not first-pass loss. (Elsevier ATI Pharmacology Module: Pharmacokinetics;
NCSBN NCLEX-RN: Pharmacological and Parenteral Therapies)
Question 2. A client with impaired renal function is prescribed a medication with a narrow
therapeutic index that is eliminated primarily by the kidneys. Which nursing intervention is the
priority?
A) Administer the medication with an antacid to prevent GI upset.
B) Monitor serum drug levels and assess for signs of toxicity.
C) Encourage the client to increase fluid intake to 4 L daily.
D) Schedule the medication to be given at bedtime.
Rationale: Medications with a narrow therapeutic index (e.g., digoxin, vancomycin, aminoglycosides)
have a small margin between therapeutic and toxic effects. In renal impairment, drug clearance
decreases, leading to accumulation and increased toxicity risk. Monitoring serum drug levels is the
priority nursing intervention. Increasing fluids to 4 L is excessive and contraindicated in many renal
patients. Antacids alter absorption rather than excretion. Timing at bedtime does not address the
Page 3
, pharmacokinetic concern. (ISMP High-Alert Medication Guidelines; Elsevier ATI Pharmacology:
Pharmacokinetics)
Question 3. A nurse is administering an agonist medication. Which mechanism describes the
drug's action?
A) It binds to a receptor and blocks the natural neurotransmitter from activating it.
B) It binds to a receptor and stimulates the same response as the endogenous chemical
messenger.
C) It binds to a receptor and produces a partial response regardless of endogenous levels.
D) It prevents the reuptake of a neurotransmitter at the synaptic cleft.
Rationale: An agonist binds to a receptor and mimics the action of the endogenous substance, producing
a full biological response. A partial agonist (option C) produces only a submaximal response. An
antagonist (option A) blocks receptor activation. A reuptake inhibitor (option D) increases
neurotransmitter availability indirectly. Understanding agonist/antagonist mechanisms is foundational to
pharmacodynamics and NCSBN CJMM recognizing cues regarding drug effects. (Elsevier ATI
Pharmacology: Pharmacodynamics; NCLEX-RN Test Plan)
Question 4. A medication has a half-life of 4 hours. How long will it take to reach approximately
steady-state concentration with repeated dosing?
A) 8 hours
B) 12 hours
C) 16 hours
D) 20 hours
Rationale: Steady state is achieved in approximately 4–5 half-lives. With a 4-hour half-life: 4 × 4 = 16
hours (minimum), with 5 × 4 = 20 hours being the standard estimate. This principle is critical for dosing
frequency decisions and understanding when to assess therapeutic effects or adverse reactions. NCLEX
frequently tests this calculation. (Elsevier ATI Pharmacology: Pharmacokinetics; Davis's Drug Guide
Principles)
Question 5. Which parameter describes the time from drug administration until the minimum
effective concentration is reached?
A) Peak effect
B) Onset of action
Page 4
EXAM REVIEW
2026/2027 Edition | NGN-Integrated | 70 Questions
Official Elsevier ATI Content Mastery Series® Specification
Aligned with NCSBN NCLEX-RN Detailed Test Plan
Pharmacological and Parenteral Therapies Domain
Page 1
,Table of Contents
Section 1: Pharmacokinetics & Pharmacodynamics Fundamentals — Questions 1–6
Section 2: Medication Administration Principles — Questions 7–11
Section 3: Dosage Calculations & IV Therapy — Questions 12–16
Section 4: Cardiovascular Pharmacology — Questions 17–23
Section 5: Respiratory Pharmacology — Questions 24–28
Section 6: Endocrine Pharmacology — Questions 29–35
Section 7: Antibiotics & Anti-Infectives — Questions 36–41
Section 8: Pain Management & CNS Pharmacology — Questions 42–48
Section 9: Psychiatric & Neurological Medications — Questions 49–53
Section 10: Gastrointestinal Pharmacology — Questions 54–57
Section 11: Nursing Implications & Patient Education — Questions 58–62
Section 12: Legal/Ethical Standards in Medication Practice — Questions 63–66
Section 13: NGN Test-Taking Strategies & Integrated Scenarios — Questions 67–70
Page 2
,Section 1: Pharmacokinetics & Pharmacodynamics
Fundamentals
Question 1. A nurse is teaching a client about a newly prescribed medication that undergoes
extensive first-pass metabolism. Which statement by the client indicates understanding?
A) "I should take this medication with a high-fat meal."
B) "This medication will be most effective if taken sublingually."
C) "This medication may require a higher dose when taken orally because the liver breaks
down much of it before it reaches my bloodstream."
D) "I should expect this medication to work faster if I crush the tablet."
Rationale: First-pass metabolism refers to the hepatic degradation of oral medications before they reach
systemic circulation, significantly reducing bioavailability. Sublingual administration bypasses the portal
circulation and first-pass effect. The client correctly identifies that oral dosing may require higher
amounts to compensate. Crushing tablets does not bypass hepatic metabolism and high-fat meals
primarily affect absorption, not first-pass loss. (Elsevier ATI Pharmacology Module: Pharmacokinetics;
NCSBN NCLEX-RN: Pharmacological and Parenteral Therapies)
Question 2. A client with impaired renal function is prescribed a medication with a narrow
therapeutic index that is eliminated primarily by the kidneys. Which nursing intervention is the
priority?
A) Administer the medication with an antacid to prevent GI upset.
B) Monitor serum drug levels and assess for signs of toxicity.
C) Encourage the client to increase fluid intake to 4 L daily.
D) Schedule the medication to be given at bedtime.
Rationale: Medications with a narrow therapeutic index (e.g., digoxin, vancomycin, aminoglycosides)
have a small margin between therapeutic and toxic effects. In renal impairment, drug clearance
decreases, leading to accumulation and increased toxicity risk. Monitoring serum drug levels is the
priority nursing intervention. Increasing fluids to 4 L is excessive and contraindicated in many renal
patients. Antacids alter absorption rather than excretion. Timing at bedtime does not address the
Page 3
, pharmacokinetic concern. (ISMP High-Alert Medication Guidelines; Elsevier ATI Pharmacology:
Pharmacokinetics)
Question 3. A nurse is administering an agonist medication. Which mechanism describes the
drug's action?
A) It binds to a receptor and blocks the natural neurotransmitter from activating it.
B) It binds to a receptor and stimulates the same response as the endogenous chemical
messenger.
C) It binds to a receptor and produces a partial response regardless of endogenous levels.
D) It prevents the reuptake of a neurotransmitter at the synaptic cleft.
Rationale: An agonist binds to a receptor and mimics the action of the endogenous substance, producing
a full biological response. A partial agonist (option C) produces only a submaximal response. An
antagonist (option A) blocks receptor activation. A reuptake inhibitor (option D) increases
neurotransmitter availability indirectly. Understanding agonist/antagonist mechanisms is foundational to
pharmacodynamics and NCSBN CJMM recognizing cues regarding drug effects. (Elsevier ATI
Pharmacology: Pharmacodynamics; NCLEX-RN Test Plan)
Question 4. A medication has a half-life of 4 hours. How long will it take to reach approximately
steady-state concentration with repeated dosing?
A) 8 hours
B) 12 hours
C) 16 hours
D) 20 hours
Rationale: Steady state is achieved in approximately 4–5 half-lives. With a 4-hour half-life: 4 × 4 = 16
hours (minimum), with 5 × 4 = 20 hours being the standard estimate. This principle is critical for dosing
frequency decisions and understanding when to assess therapeutic effects or adverse reactions. NCLEX
frequently tests this calculation. (Elsevier ATI Pharmacology: Pharmacokinetics; Davis's Drug Guide
Principles)
Question 5. Which parameter describes the time from drug administration until the minimum
effective concentration is reached?
A) Peak effect
B) Onset of action
Page 4
