NR 293 Pharmacology Week 7 Study Guide Quiz 2026 |Chamberlain
College
1. A patient is prescribed Insulin Lispro (Humalog). When should the nurse
instruct the patient to take this medication?
A. 15 minutes before a meal
B. Immediately after a meal
C. 30 to 60 minutes before a meal
D. At bedtime
Answer: A
Rationale: Insulin Lispro is a rapid-acting insulin with an onset of 15 minutes, so it should
be administered 15 minutes before meals to match the postprandial glucose spike.
2. Which laboratory value is most important to monitor in a patient taking
Metformin?
A. Serum potassium
B. Thyroid Stimulating Hormone (TSH)
C. Glomerular Filtration Rate (GFR)
D. Serum sodium
Answer: C
Rationale: Metformin is renally excreted and can cause lactic acidosis if renal function is
impaired; therefore, monitoring GFR or Creatinine is critical.
,3. A patient is scheduled for a CT scan with intravenous contrast. Which
medication must be held for 48 hours after the procedure?
A. Glyburide
B. Sitagliptin
C. Pioglitazone
D. Metformin
Answer: D
Rationale: Metformin must be held before and for 48 hours after contrast media to
prevent renal failure and subsequent lactic acidosis.
4. What is the primary mechanism of action of Sulfonylureas like Glyburide?
A. Decreasing hepatic glucose production
B. Increasing insulin sensitivity in peripheral tissues
C. Inhibiting glucose absorption in the small intestine
D. Stimulating insulin secretion from pancreatic beta cells
Answer: D
Rationale: Sulfonylureas work by stimulating the beta cells of the pancreas to release more
insulin.
5. A patient taking Levothyroxine for hypothyroidism complains of insomnia,
palpitations, and tremors. What does the nurse suspect?
A. The dose is too high
B. The dose is too low
C. An allergic reaction to the medication
D. Normal expected side effects
Answer: A
Rationale: Symptoms like insomnia, palpitations, and tremors indicate hyperthyroidism,
which suggests the Levothyroxine dose is excessive.
, 6. When is the best time for a patient to take Levothyroxine?
A. In the morning, 30-60 minutes before breakfast
B. At bedtime with a snack
C. With lunch to increase absorption
D. Whenever the patient remembers, as long as it is daily
Answer: A
Rationale: Levothyroxine should be taken on an empty stomach in the morning to ensure
optimal absorption and prevent insomnia.
7. Which medication is used to treat a patient in a ‘thyroid storm’ or severe
hyperthyroidism?
A. Propylthiouracil (PTU)
B. Levothyroxine
C. Somatropin
D. Desmopressin
Answer: A
Rationale: PTU is an antithyroid medication that inhibits the synthesis of thyroid
hormones and is used in hyperthyroidism.
8. A patient is receiving Desmopressin (DDAVP). Which finding indicates the
medication is effective?
A. Decrease in urine output
B. Increase in blood glucose
C. Increase in heart rate
D. Decrease in blood pressure
Answer: A
Rationale: Desmopressin is a synthetic ADH used for Diabetes Insipidus; its effectiveness
is marked by decreased urine volume and increased urine osmolality.
College
1. A patient is prescribed Insulin Lispro (Humalog). When should the nurse
instruct the patient to take this medication?
A. 15 minutes before a meal
B. Immediately after a meal
C. 30 to 60 minutes before a meal
D. At bedtime
Answer: A
Rationale: Insulin Lispro is a rapid-acting insulin with an onset of 15 minutes, so it should
be administered 15 minutes before meals to match the postprandial glucose spike.
2. Which laboratory value is most important to monitor in a patient taking
Metformin?
A. Serum potassium
B. Thyroid Stimulating Hormone (TSH)
C. Glomerular Filtration Rate (GFR)
D. Serum sodium
Answer: C
Rationale: Metformin is renally excreted and can cause lactic acidosis if renal function is
impaired; therefore, monitoring GFR or Creatinine is critical.
,3. A patient is scheduled for a CT scan with intravenous contrast. Which
medication must be held for 48 hours after the procedure?
A. Glyburide
B. Sitagliptin
C. Pioglitazone
D. Metformin
Answer: D
Rationale: Metformin must be held before and for 48 hours after contrast media to
prevent renal failure and subsequent lactic acidosis.
4. What is the primary mechanism of action of Sulfonylureas like Glyburide?
A. Decreasing hepatic glucose production
B. Increasing insulin sensitivity in peripheral tissues
C. Inhibiting glucose absorption in the small intestine
D. Stimulating insulin secretion from pancreatic beta cells
Answer: D
Rationale: Sulfonylureas work by stimulating the beta cells of the pancreas to release more
insulin.
5. A patient taking Levothyroxine for hypothyroidism complains of insomnia,
palpitations, and tremors. What does the nurse suspect?
A. The dose is too high
B. The dose is too low
C. An allergic reaction to the medication
D. Normal expected side effects
Answer: A
Rationale: Symptoms like insomnia, palpitations, and tremors indicate hyperthyroidism,
which suggests the Levothyroxine dose is excessive.
, 6. When is the best time for a patient to take Levothyroxine?
A. In the morning, 30-60 minutes before breakfast
B. At bedtime with a snack
C. With lunch to increase absorption
D. Whenever the patient remembers, as long as it is daily
Answer: A
Rationale: Levothyroxine should be taken on an empty stomach in the morning to ensure
optimal absorption and prevent insomnia.
7. Which medication is used to treat a patient in a ‘thyroid storm’ or severe
hyperthyroidism?
A. Propylthiouracil (PTU)
B. Levothyroxine
C. Somatropin
D. Desmopressin
Answer: A
Rationale: PTU is an antithyroid medication that inhibits the synthesis of thyroid
hormones and is used in hyperthyroidism.
8. A patient is receiving Desmopressin (DDAVP). Which finding indicates the
medication is effective?
A. Decrease in urine output
B. Increase in blood glucose
C. Increase in heart rate
D. Decrease in blood pressure
Answer: A
Rationale: Desmopressin is a synthetic ADH used for Diabetes Insipidus; its effectiveness
is marked by decreased urine volume and increased urine osmolality.
