NU 150 PHARMACOLOGY EXAM 3 PRACTICE EXAM – QUESTIONS AND
ANSWERS | VERIFIED AND WELL DETAILED ANSWERS |EXAM TESTBANK | PLUS
RATIONALES | DOWNLOAD AND PASS | LATEST EXAM UPDATE 2026/2027
Core Domains
• Pharmacokinetics and Pharmacodynamics
• Autonomic Nervous System Pharmacology
• Cardiovascular Pharmacology
• Central Nervous System Pharmacology
• Endocrine Pharmacology
• Anti-inflammatory and Immunomodulatory Drugs
• Chemotherapeutic Agents and Antimicrobials
• Geriatric and Pediatric Pharmacotherapy Considerations
• Patient Safety, Medication Errors, and Professional Ethics
Introduction
This comprehensive practice examination serves as a pivotal assessment tool for
students and professionals seeking to validate their mastery of advanced
pharmacological principles. The exam is designed to rigorously evaluate
foundational knowledge, clinical application, and critical decision-making skills
essential for safe and effective medication administration. A variety of multiple-
choice questions, including complex clinical scenario-based items, are employed to
simulate real-world practice. Emphasis is placed on therapeutic decision-making,
patient-specific variables, adverse effect management, and the integration of legal
and ethical standards to promote optimal patient outcomes. This resource is
intended for self-assessment and examination preparation.
════════════════════════════════════
SECTION ONE: QUESTIONS 1 – 50
════════════════════════════════════
,1. A nurse is preparing to administer a medication that has a narrow therapeutic
index. Which action is most critical to ensure patient safety?
A. Administer the medication with food to enhance absorption
B. Monitor serum drug levels regularly
C. Instruct the patient to report mild side effects
D. Increase the dose if the patient does not respond
🟢 Correct Answer: B. Monitor serum drug levels regularly
🔴 Explanation: Drugs with a narrow therapeutic index have a small margin
between therapeutic and toxic doses. Regular serum level monitoring is essential
to maintain levels within the safe range and prevent toxicity.
2. A patient with peptic ulcer disease is prescribed misoprostol. What is the
primary therapeutic goal of this medication?
A. Neutralize gastric acid
B. Suppress gastric acid secretion
C. Protect the gastric mucosa
D. Eradicate Helicobacter pylori infection
🟢 Correct Answer: C. Protect the gastric mucosa
🔴 Explanation: Misoprostol is a prostaglandin analog that protects the gastric
mucosa by increasing mucus and bicarbonate production, reducing the risk of
ulcer formation caused by NSAIDs.
3. A patient with type 2 diabetes is receiving metformin. The nurse should
monitor for which potentially life-threatening complication?
A. Hypoglycemia
B. Lactic acidosis
C. Hyperkalemia
D. Hepatotoxicity
,🟢 Correct Answer: B. Lactic acidosis
🔴 Explanation: Metformin can cause lactic acidosis, a rare but serious
complication, particularly in patients with renal insufficiency, liver disease, or
states of tissue hypoxia.
4. A nurse is teaching a patient about alendronate. Which instruction is most
important for preventing esophageal injury?
A. Take the medication at bedtime
B. Take with a full glass of water and remain upright for 30 minutes
C. Take with milk or antacids
D. Chew the tablet thoroughly before swallowing
🟢 Correct Answer: B. Take with a full glass of water and remain upright for 30
minutes
🔴 Explanation: Alendronate can cause severe esophageal irritation. It must be
taken with a full glass of water, and the patient should remain upright for at least
30 minutes to prevent reflux and mucosal injury.
5. A patient is prescribed a beta-blocker for hypertension. Which of the
following is a contraindication to the use of this drug class?
A. Angina pectoris
B. Heart failure
C. Asthma
D. Atrial fibrillation
🟢 Correct Answer: C. Asthma
🔴 Explanation: Non-selective beta-blockers can cause bronchoconstriction by
blocking beta-2 receptors in the lungs, making them contraindicated in patients
with asthma.
, 6. A patient on long-term corticosteroid therapy is undergoing surgery. The
nurse anticipates the need for which intervention?
A. Discontinuing steroids 24 hours before surgery
B. Increasing the steroid dose during the perioperative period
C. Switching to a non-steroidal anti-inflammatory
D. Administering a loop diuretic
🟢 Correct Answer: B. Increasing the steroid dose during the perioperative period
🔴 Explanation: Long-term corticosteroid use suppresses the hypothalamic-
pituitary-adrenal axis. During surgery, the patient requires a stress-dose of
steroids to prevent adrenal crisis.
7. A nurse is reviewing the medication list of an older adult patient. Which drug
should be used with caution in the elderly due to the risk of significant central
nervous system effects?
A. Acetaminophen
B. Diphenhydramine
C. Aspirin
D. Lisinopril
🟢 Correct Answer: B. Diphenhydramine
🔴 Explanation: First-generation antihistamines like diphenhydramine have
strong anticholinergic effects and can cause confusion, sedation, and falls in the
elderly population.
8. A patient with severe pain due to cancer is receiving morphine. The nurse
should assess for which early sign of toxicity?
A. Seizures
B. Respiratory depression
C. Tachycardia
D. Hypertension
ANSWERS | VERIFIED AND WELL DETAILED ANSWERS |EXAM TESTBANK | PLUS
RATIONALES | DOWNLOAD AND PASS | LATEST EXAM UPDATE 2026/2027
Core Domains
• Pharmacokinetics and Pharmacodynamics
• Autonomic Nervous System Pharmacology
• Cardiovascular Pharmacology
• Central Nervous System Pharmacology
• Endocrine Pharmacology
• Anti-inflammatory and Immunomodulatory Drugs
• Chemotherapeutic Agents and Antimicrobials
• Geriatric and Pediatric Pharmacotherapy Considerations
• Patient Safety, Medication Errors, and Professional Ethics
Introduction
This comprehensive practice examination serves as a pivotal assessment tool for
students and professionals seeking to validate their mastery of advanced
pharmacological principles. The exam is designed to rigorously evaluate
foundational knowledge, clinical application, and critical decision-making skills
essential for safe and effective medication administration. A variety of multiple-
choice questions, including complex clinical scenario-based items, are employed to
simulate real-world practice. Emphasis is placed on therapeutic decision-making,
patient-specific variables, adverse effect management, and the integration of legal
and ethical standards to promote optimal patient outcomes. This resource is
intended for self-assessment and examination preparation.
════════════════════════════════════
SECTION ONE: QUESTIONS 1 – 50
════════════════════════════════════
,1. A nurse is preparing to administer a medication that has a narrow therapeutic
index. Which action is most critical to ensure patient safety?
A. Administer the medication with food to enhance absorption
B. Monitor serum drug levels regularly
C. Instruct the patient to report mild side effects
D. Increase the dose if the patient does not respond
🟢 Correct Answer: B. Monitor serum drug levels regularly
🔴 Explanation: Drugs with a narrow therapeutic index have a small margin
between therapeutic and toxic doses. Regular serum level monitoring is essential
to maintain levels within the safe range and prevent toxicity.
2. A patient with peptic ulcer disease is prescribed misoprostol. What is the
primary therapeutic goal of this medication?
A. Neutralize gastric acid
B. Suppress gastric acid secretion
C. Protect the gastric mucosa
D. Eradicate Helicobacter pylori infection
🟢 Correct Answer: C. Protect the gastric mucosa
🔴 Explanation: Misoprostol is a prostaglandin analog that protects the gastric
mucosa by increasing mucus and bicarbonate production, reducing the risk of
ulcer formation caused by NSAIDs.
3. A patient with type 2 diabetes is receiving metformin. The nurse should
monitor for which potentially life-threatening complication?
A. Hypoglycemia
B. Lactic acidosis
C. Hyperkalemia
D. Hepatotoxicity
,🟢 Correct Answer: B. Lactic acidosis
🔴 Explanation: Metformin can cause lactic acidosis, a rare but serious
complication, particularly in patients with renal insufficiency, liver disease, or
states of tissue hypoxia.
4. A nurse is teaching a patient about alendronate. Which instruction is most
important for preventing esophageal injury?
A. Take the medication at bedtime
B. Take with a full glass of water and remain upright for 30 minutes
C. Take with milk or antacids
D. Chew the tablet thoroughly before swallowing
🟢 Correct Answer: B. Take with a full glass of water and remain upright for 30
minutes
🔴 Explanation: Alendronate can cause severe esophageal irritation. It must be
taken with a full glass of water, and the patient should remain upright for at least
30 minutes to prevent reflux and mucosal injury.
5. A patient is prescribed a beta-blocker for hypertension. Which of the
following is a contraindication to the use of this drug class?
A. Angina pectoris
B. Heart failure
C. Asthma
D. Atrial fibrillation
🟢 Correct Answer: C. Asthma
🔴 Explanation: Non-selective beta-blockers can cause bronchoconstriction by
blocking beta-2 receptors in the lungs, making them contraindicated in patients
with asthma.
, 6. A patient on long-term corticosteroid therapy is undergoing surgery. The
nurse anticipates the need for which intervention?
A. Discontinuing steroids 24 hours before surgery
B. Increasing the steroid dose during the perioperative period
C. Switching to a non-steroidal anti-inflammatory
D. Administering a loop diuretic
🟢 Correct Answer: B. Increasing the steroid dose during the perioperative period
🔴 Explanation: Long-term corticosteroid use suppresses the hypothalamic-
pituitary-adrenal axis. During surgery, the patient requires a stress-dose of
steroids to prevent adrenal crisis.
7. A nurse is reviewing the medication list of an older adult patient. Which drug
should be used with caution in the elderly due to the risk of significant central
nervous system effects?
A. Acetaminophen
B. Diphenhydramine
C. Aspirin
D. Lisinopril
🟢 Correct Answer: B. Diphenhydramine
🔴 Explanation: First-generation antihistamines like diphenhydramine have
strong anticholinergic effects and can cause confusion, sedation, and falls in the
elderly population.
8. A patient with severe pain due to cancer is receiving morphine. The nurse
should assess for which early sign of toxicity?
A. Seizures
B. Respiratory depression
C. Tachycardia
D. Hypertension
