NU150 Exam 3 Galen: (Latest 2026/2027 Update) Antibiotics, Pain
Management, GI Medications, & Perioperative Pharmacology | Q&A | Grade A
| 100% Correct (Verified Answers) – Galen College of Nursing
Comprehensive Review: Tetracyclines, Penicillins, Sulfonamides, Opioids, NSAIDs, PPIs,
Anticholinergics, Superinfections, Drug Interactions & Adverse Effects
Subject: Pharmacology / Medical-Surgical Nursing
Source: NU150 Exam 3 Galen Blueprint
Format: Q&A Guide with Clinical Rationale & Evidence-Based Practice
Question 1
A nurse is caring for a patient prescribed tetracycline. Which of the following instructions
should the nurse include in patient teaching?
Answer: Avoid direct sunlight and wear protective clothing.
CORRECT ANSWER
Avoid direct sunlight and wear protective clothing
RATIONALE
• Tetracycline causes photosensitivity; patients should use sunscreen and avoid prolonged sun
exposure.
• Also avoid dairy products, iron, and antacids as they decrease absorption.
,Question 2
A nurse is administering morphine to a patient for pain. Which of the following assessments is
most critical before administering the medication?
Answer: Respiratory rate
CORRECT ANSWER
Respiratory rate
RATIONALE
• Morphine causes respiratory depression; withhold if RR <12 breaths/min.
• Respiratory depression is the most serious adverse effect of opioids.
Question 3
A patient is prescribed sulfonamide for a urinary tract infection. Which nursing intervention
is appropriate to include in the care plan?
Answer: Encourage increased fluid intake.
CORRECT ANSWER
Encourage increased fluid intake
RATIONALE
• Increased fluids (2000-3000 mL/day) prevent crystalluria (kidney stones) and ensure adequate urine
output.
• Sulfonamides can precipitate in urine, causing renal damage.
, Question 4
A nurse is caring for a patient taking omeprazole. Which of the following is the best indication
that the medication is effective?
Answer: The patient reports no gastric reflux or heartburn.
CORRECT ANSWER
The patient reports no gastric reflux or heartburn
RATIONALE
• PPIs reduce gastric acid production; therapeutic effect is relief of GERD symptoms.
• Long-term use increases risk of fractures, C. diff infection, and vitamin B12 deficiency.
Question 5
A patient is being treated for a superinfection caused by prolonged antibiotic use. Which of
the following is the most likely explanation for the development of the superinfection?
Answer: Overgrowth of resistant organisms.
CORRECT ANSWER
Overgrowth of resistant organisms
RATIONALE
• Broad-spectrum antibiotics kill normal flora, allowing opportunistic organisms (C. diff, Candida) to
overgrow.
• Examples: oral thrush, pseudomembranous colitis.
Management, GI Medications, & Perioperative Pharmacology | Q&A | Grade A
| 100% Correct (Verified Answers) – Galen College of Nursing
Comprehensive Review: Tetracyclines, Penicillins, Sulfonamides, Opioids, NSAIDs, PPIs,
Anticholinergics, Superinfections, Drug Interactions & Adverse Effects
Subject: Pharmacology / Medical-Surgical Nursing
Source: NU150 Exam 3 Galen Blueprint
Format: Q&A Guide with Clinical Rationale & Evidence-Based Practice
Question 1
A nurse is caring for a patient prescribed tetracycline. Which of the following instructions
should the nurse include in patient teaching?
Answer: Avoid direct sunlight and wear protective clothing.
CORRECT ANSWER
Avoid direct sunlight and wear protective clothing
RATIONALE
• Tetracycline causes photosensitivity; patients should use sunscreen and avoid prolonged sun
exposure.
• Also avoid dairy products, iron, and antacids as they decrease absorption.
,Question 2
A nurse is administering morphine to a patient for pain. Which of the following assessments is
most critical before administering the medication?
Answer: Respiratory rate
CORRECT ANSWER
Respiratory rate
RATIONALE
• Morphine causes respiratory depression; withhold if RR <12 breaths/min.
• Respiratory depression is the most serious adverse effect of opioids.
Question 3
A patient is prescribed sulfonamide for a urinary tract infection. Which nursing intervention
is appropriate to include in the care plan?
Answer: Encourage increased fluid intake.
CORRECT ANSWER
Encourage increased fluid intake
RATIONALE
• Increased fluids (2000-3000 mL/day) prevent crystalluria (kidney stones) and ensure adequate urine
output.
• Sulfonamides can precipitate in urine, causing renal damage.
, Question 4
A nurse is caring for a patient taking omeprazole. Which of the following is the best indication
that the medication is effective?
Answer: The patient reports no gastric reflux or heartburn.
CORRECT ANSWER
The patient reports no gastric reflux or heartburn
RATIONALE
• PPIs reduce gastric acid production; therapeutic effect is relief of GERD symptoms.
• Long-term use increases risk of fractures, C. diff infection, and vitamin B12 deficiency.
Question 5
A patient is being treated for a superinfection caused by prolonged antibiotic use. Which of
the following is the most likely explanation for the development of the superinfection?
Answer: Overgrowth of resistant organisms.
CORRECT ANSWER
Overgrowth of resistant organisms
RATIONALE
• Broad-spectrum antibiotics kill normal flora, allowing opportunistic organisms (C. diff, Candida) to
overgrow.
• Examples: oral thrush, pseudomembranous colitis.
