NURS 251 Module 7 Exam – Pharmacology 2026 UPDATE 2026 Update • Verified Answers
✓ VERIFIED • 2026 UPDATE • 100% ACCURATE
NURS 251 Module 7 Exam – Pharmacology 2026
UPDATE
Actual Exam Questions & Verified Answers
with Detailed Rationales
Document Type: Exam (Elaborations)
Academic Year:
Total Questions: 50 Multiple Choice
Includes: Correct Answers + Full Rationales
Status: Verified & Updated for 2026
Exam (Elaborations) • Actual Questions & Rationales Page 1
,NURS 251 Module 7 Exam – Pharmacology 2026 UPDATE 2026 Update • Verified Answers
Questions & Verified Answers
1. A nurse is teaching a patient about the onset of action for Lispro (Humalog) insulin. Which
time frame should the nurse include?
A. 30 to 60 minutes
B. 1 to 2 hours
C. 15 to 30 minutes
D. 4 to 6 hours
Answer: C
Rationale: Lispro is a rapid-acting insulin with an onset of 15 to 30 minutes. Patients should eat immediately
after administration. Recognizing this principle allows the nurse to prioritize care, anticipate complications, and
provide accurate patient education. Exam questions often test the ability to distinguish this concept from closely
related distractors, making a clear rationale essential for mastery.
2. Which laboratory value should the nurse monitor closely for a patient taking Metformin
(Glucophage)?
A. Serum Potassium
B. Prothrombin Time
C. Serum Creatinine
D. Amylase
Answer: C
Rationale: Metformin is excreted by the kidneys. Impaired renal function (high creatinine) increases the risk of
lactic acidosis. This is an important clinical concept because selecting the correct answer (C) requires
understanding both the pathophysiology and the practical nursing implications. Recognizing this principle
allows the nurse to prioritize care, anticipate complications, and provide accurate patient education.
3. A patient is prescribed Levothyroxine (Synthroid) for hypothyroidism. When is the best time
for the patient to take this medication?
A. 30 to 60 minutes before breakfast
B. With the largest meal of the day
C. At bedtime with a snack
D. Immediately after lunch
Answer: A
Rationale: Levothyroxine should be taken on an empty stomach in the morning to increase absorption and
prevent insomnia. Recognizing this principle allows the nurse to prioritize care, anticipate complications, and
provide accurate patient education. Exam questions often test the ability to distinguish this concept from closely
related distractors, making a clear rationale essential for mastery.
Exam (Elaborations) • Actual Questions & Rationales Page 2
, NURS 251 Module 7 Exam – Pharmacology 2026 UPDATE 2026 Update • Verified Answers
4. What is the primary mechanism of action for Proton Pump Inhibitors (PPIs) like Omeprazole?
A. Irreversibly inhibiting the enzyme that produces gastric acid
B. Blocking H2 receptors in the parietal cells
C. Neutralizing existing stomach acid
D. Creating a physical barrier over the ulcer crater
Answer: A
Rationale: PPIs block the H+/K+ ATPase enzyme system, which is the final common pathway of gastric acid
secretion. Recognizing this principle allows the nurse to prioritize care, anticipate complications, and provide
accurate patient education. Exam questions often test the ability to distinguish this concept from closely related
distractors, making a clear rationale essential for mastery.
5. A patient taking long-term Prednisone therapy should be monitored for which of the
following side effects?
A. Hypoglycemia and weight loss
B. Osteoporosis and delayed wound healing
C. Hypotension and bradycardia
D. Hyperkalemia and metabolic acidosis
Answer: B
Rationale: Glucocorticoids lead to bone loss (osteoporosis) and suppress the immune response, delaying
healing. Exam questions often test the ability to distinguish this concept from closely related distractors, making
a clear rationale essential for mastery. Applying this knowledge in clinical settings supports safe,
evidence-based practice and improves patient outcomes.
6. Which medication is used as the gold standard for treating a patient in a myxedema coma?
A. Oral Methimazole
B. Radioactive Iodine
C. Intravenous Levothyroxine
D. Propylthiouracil (PTU)
Answer: C
Rationale: Myxedema coma is a severe form of hypothyroidism requiring rapid replacement of thyroid hormone
via the IV route. Exam questions often test the ability to distinguish this concept from closely related distractors,
making a clear rationale essential for mastery. Applying this knowledge in clinical settings supports safe,
evidence-based practice and improves patient outcomes.
Exam (Elaborations) • Actual Questions & Rationales Page 3
✓ VERIFIED • 2026 UPDATE • 100% ACCURATE
NURS 251 Module 7 Exam – Pharmacology 2026
UPDATE
Actual Exam Questions & Verified Answers
with Detailed Rationales
Document Type: Exam (Elaborations)
Academic Year:
Total Questions: 50 Multiple Choice
Includes: Correct Answers + Full Rationales
Status: Verified & Updated for 2026
Exam (Elaborations) • Actual Questions & Rationales Page 1
,NURS 251 Module 7 Exam – Pharmacology 2026 UPDATE 2026 Update • Verified Answers
Questions & Verified Answers
1. A nurse is teaching a patient about the onset of action for Lispro (Humalog) insulin. Which
time frame should the nurse include?
A. 30 to 60 minutes
B. 1 to 2 hours
C. 15 to 30 minutes
D. 4 to 6 hours
Answer: C
Rationale: Lispro is a rapid-acting insulin with an onset of 15 to 30 minutes. Patients should eat immediately
after administration. Recognizing this principle allows the nurse to prioritize care, anticipate complications, and
provide accurate patient education. Exam questions often test the ability to distinguish this concept from closely
related distractors, making a clear rationale essential for mastery.
2. Which laboratory value should the nurse monitor closely for a patient taking Metformin
(Glucophage)?
A. Serum Potassium
B. Prothrombin Time
C. Serum Creatinine
D. Amylase
Answer: C
Rationale: Metformin is excreted by the kidneys. Impaired renal function (high creatinine) increases the risk of
lactic acidosis. This is an important clinical concept because selecting the correct answer (C) requires
understanding both the pathophysiology and the practical nursing implications. Recognizing this principle
allows the nurse to prioritize care, anticipate complications, and provide accurate patient education.
3. A patient is prescribed Levothyroxine (Synthroid) for hypothyroidism. When is the best time
for the patient to take this medication?
A. 30 to 60 minutes before breakfast
B. With the largest meal of the day
C. At bedtime with a snack
D. Immediately after lunch
Answer: A
Rationale: Levothyroxine should be taken on an empty stomach in the morning to increase absorption and
prevent insomnia. Recognizing this principle allows the nurse to prioritize care, anticipate complications, and
provide accurate patient education. Exam questions often test the ability to distinguish this concept from closely
related distractors, making a clear rationale essential for mastery.
Exam (Elaborations) • Actual Questions & Rationales Page 2
, NURS 251 Module 7 Exam – Pharmacology 2026 UPDATE 2026 Update • Verified Answers
4. What is the primary mechanism of action for Proton Pump Inhibitors (PPIs) like Omeprazole?
A. Irreversibly inhibiting the enzyme that produces gastric acid
B. Blocking H2 receptors in the parietal cells
C. Neutralizing existing stomach acid
D. Creating a physical barrier over the ulcer crater
Answer: A
Rationale: PPIs block the H+/K+ ATPase enzyme system, which is the final common pathway of gastric acid
secretion. Recognizing this principle allows the nurse to prioritize care, anticipate complications, and provide
accurate patient education. Exam questions often test the ability to distinguish this concept from closely related
distractors, making a clear rationale essential for mastery.
5. A patient taking long-term Prednisone therapy should be monitored for which of the
following side effects?
A. Hypoglycemia and weight loss
B. Osteoporosis and delayed wound healing
C. Hypotension and bradycardia
D. Hyperkalemia and metabolic acidosis
Answer: B
Rationale: Glucocorticoids lead to bone loss (osteoporosis) and suppress the immune response, delaying
healing. Exam questions often test the ability to distinguish this concept from closely related distractors, making
a clear rationale essential for mastery. Applying this knowledge in clinical settings supports safe,
evidence-based practice and improves patient outcomes.
6. Which medication is used as the gold standard for treating a patient in a myxedema coma?
A. Oral Methimazole
B. Radioactive Iodine
C. Intravenous Levothyroxine
D. Propylthiouracil (PTU)
Answer: C
Rationale: Myxedema coma is a severe form of hypothyroidism requiring rapid replacement of thyroid hormone
via the IV route. Exam questions often test the ability to distinguish this concept from closely related distractors,
making a clear rationale essential for mastery. Applying this knowledge in clinical settings supports safe,
evidence-based practice and improves patient outcomes.
Exam (Elaborations) • Actual Questions & Rationales Page 3
