NURS 251 Module 7 Exam – Pharmacology Practice Quiz 202… 2026 Update • Verified Answers
✓ VERIFIED • 2026 UPDATE • 100% ACCURATE
NURS 251 Module 7 Exam – Pharmacology Practice
Quiz 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 Practice Quiz 202… 2026 Update • Verified Answers
Questions & Verified Answers
1. A patient is prescribed Lispro (Humalog) insulin. Which instruction should the nurse provide
regarding administration?
A. Inject the dose immediately before or within 15 minutes of a meal.
B. Inject the dose 30 to 45 minutes before eating.
C. Only take this insulin if your blood glucose is above 200 mg/dL.
D. Mix this insulin in the same syringe with insulin glargine.
Answer: A
Rationale: Lispro is a rapid-acting insulin with an onset of 15 minutes. To prevent hypoglycemia, it must be
administered in close proximity to a meal. 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.
2. Which medication is the first-line treatment for Type 2 Diabetes and works by decreasing
hepatic glucose production?
A. Glyburide
B. Pioglitazone
C. Metformin
D. Repaglinide
Answer: C
Rationale: Metformin is a biguanide that lowers blood glucose by decreasing the amount of glucose produced
by the liver and increasing insulin sensitivity. 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 taking Metformin is scheduled for a CT scan with IV contrast. What action should
be taken?
A. Hold Metformin 48 hours before and after the procedure.
B. Administer the Metformin as scheduled.
C. Double the dose of Metformin the day of the procedure.
D. Switch to an injectable insulin for the duration of the hospital stay.
Answer: A
Rationale: Metformin should be withheld before and for 48 hours after contrast studies to prevent the risk of
lactic acidosis if renal failure occurs from the contrast. 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 Practice Quiz 202… 2026 Update • Verified Answers
4. What is the most common side effect associated with the use of Sulfonylureas such as
Glyburide?
A. Weight loss
B. Hypertension
C. Lactic acidosis
D. Hypoglycemia
Answer: D
Rationale: Sulfonylureas stimulate the pancreas to secrete more insulin, which poses a significant risk for
hypoglycemia. 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.
5. Which of the following instructions is critical for a patient starting Levothyroxine for
hypothyroidism?
A. Take the medication on an empty stomach 30-60 minutes before breakfast.
B. Take the medication at bedtime with a glass of milk.
C. Take the medication with a full meal to increase absorption.
D. Stop taking the medication once your energy levels return to normal.
Answer: A
Rationale: Levothyroxine should be taken on an empty stomach in the morning to ensure optimal absorption
and avoid insomnia if taken late in the day. 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. A patient with hyperthyroidism is prescribed Propylthiouracil (PTU). What serious adverse
effect should the nurse monitor for?
A. Renal failure
B. Constipation
C. Hyperglycemia
D. Agranulocytosis
Answer: D
Rationale: Agranulocytosis (a severe shortage of white blood cells) is a rare but serious side effect of PTU;
patients should report fever or sore throat immediately. 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 3
✓ VERIFIED • 2026 UPDATE • 100% ACCURATE
NURS 251 Module 7 Exam – Pharmacology Practice
Quiz 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 Practice Quiz 202… 2026 Update • Verified Answers
Questions & Verified Answers
1. A patient is prescribed Lispro (Humalog) insulin. Which instruction should the nurse provide
regarding administration?
A. Inject the dose immediately before or within 15 minutes of a meal.
B. Inject the dose 30 to 45 minutes before eating.
C. Only take this insulin if your blood glucose is above 200 mg/dL.
D. Mix this insulin in the same syringe with insulin glargine.
Answer: A
Rationale: Lispro is a rapid-acting insulin with an onset of 15 minutes. To prevent hypoglycemia, it must be
administered in close proximity to a meal. 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.
2. Which medication is the first-line treatment for Type 2 Diabetes and works by decreasing
hepatic glucose production?
A. Glyburide
B. Pioglitazone
C. Metformin
D. Repaglinide
Answer: C
Rationale: Metformin is a biguanide that lowers blood glucose by decreasing the amount of glucose produced
by the liver and increasing insulin sensitivity. 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 taking Metformin is scheduled for a CT scan with IV contrast. What action should
be taken?
A. Hold Metformin 48 hours before and after the procedure.
B. Administer the Metformin as scheduled.
C. Double the dose of Metformin the day of the procedure.
D. Switch to an injectable insulin for the duration of the hospital stay.
Answer: A
Rationale: Metformin should be withheld before and for 48 hours after contrast studies to prevent the risk of
lactic acidosis if renal failure occurs from the contrast. 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 Practice Quiz 202… 2026 Update • Verified Answers
4. What is the most common side effect associated with the use of Sulfonylureas such as
Glyburide?
A. Weight loss
B. Hypertension
C. Lactic acidosis
D. Hypoglycemia
Answer: D
Rationale: Sulfonylureas stimulate the pancreas to secrete more insulin, which poses a significant risk for
hypoglycemia. 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.
5. Which of the following instructions is critical for a patient starting Levothyroxine for
hypothyroidism?
A. Take the medication on an empty stomach 30-60 minutes before breakfast.
B. Take the medication at bedtime with a glass of milk.
C. Take the medication with a full meal to increase absorption.
D. Stop taking the medication once your energy levels return to normal.
Answer: A
Rationale: Levothyroxine should be taken on an empty stomach in the morning to ensure optimal absorption
and avoid insomnia if taken late in the day. 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. A patient with hyperthyroidism is prescribed Propylthiouracil (PTU). What serious adverse
effect should the nurse monitor for?
A. Renal failure
B. Constipation
C. Hyperglycemia
D. Agranulocytosis
Answer: D
Rationale: Agranulocytosis (a severe shortage of white blood cells) is a rare but serious side effect of PTU;
patients should report fever or sore throat immediately. 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 3
