NR 293 Pharmacology - Week 6 Comprehensive Study Guide 2026
|Chamberlain College
1. Which of the following is a rapid-acting insulin with an onset of 15 minutes?
A. Insulin Glargine
B. Insulin Lispro
C. Insulin Isophane (NPH)
D. Regular Insulin
Answer: B
Rationale: Insulin Lispro (Humalog) is a rapid-acting insulin with an onset of 15 minutes,
peak of 1-2 hours, and duration of 3-5 hours.
2. A patient is prescribed Levothyroxine. When should the nurse instruct the
patient to take this medication?
A. In the morning, 30-60 minutes before breakfast
B. Before bed with a snack
C. With the largest meal of the day
D. Right after lunch
Answer: A
Rationale: Levothyroxine should be taken on an empty stomach in the morning to enhance
absorption and prevent insomnia.
,3. Which adverse effect is most commonly associated with long-term
corticosteroid therapy?
A. Hypoglycemia
B. Hypotension
C. Delayed wound healing
D. Weight loss
Answer: C
Rationale: Long-term corticosteroid use can cause delayed wound healing, hyperglycemia,
fluid retention, and immunosuppression.
4. Desmopressin (DDAVP) is primarily indicated for the treatment of which
condition?
A. Diabetes Mellitus Type 1
B. Syndrome of Inappropriate Antidiuretic Hormone (SIADH)
C. Acromegaly
D. Diabetes Insipidus
Answer: D
Rationale: Desmopressin is a synthetic ADH used to treat Diabetes Insipidus by increasing
water reabsorption in the kidneys.
5. Before a patient undergoes a CT scan with iodine contrast, which medication
must be held for 48 hours?
A. Glipizide
B. Pioglitazone
C. Metformin
D. Sitagliptin
Answer: C
Rationale: Metformin must be held before and for 48 hours after contrast studies to
prevent lactic acidosis and renal failure.
, 6. A conscious patient with a blood glucose of 50 mg/dL should be treated with:
A. 1 unit of Regular insulin
B. Intravenous D50W
C. Intramuscular Glucagon
D. 15 grams of simple carbohydrates (e.g., orange juice)
Answer: D
Rationale: The ‘Rule of 15’ applies: 15g of simple carbs for conscious patients. IV D50W or
Glucagon are for unconscious patients.
7. Oxytocin (Pitocin) is used for which clinical purpose?
A. Induction of labor
B. Stopping preterm labor
C. Treatment of endometriosis
D. Contraception
Answer: A
Rationale: Oxytocin is used to stimulate uterine contractions to induce or augment labor
and to control postpartum hemorrhage.
8. Sildenafil (Viagra) is contraindicated in patients taking which class of
medication?
A. Beta-blockers
B. Statins
C. Proton pump inhibitors
D. Nitrates
Answer: D
Rationale: Mixing sildenafil with nitrates can cause life-threatening hypotension.
|Chamberlain College
1. Which of the following is a rapid-acting insulin with an onset of 15 minutes?
A. Insulin Glargine
B. Insulin Lispro
C. Insulin Isophane (NPH)
D. Regular Insulin
Answer: B
Rationale: Insulin Lispro (Humalog) is a rapid-acting insulin with an onset of 15 minutes,
peak of 1-2 hours, and duration of 3-5 hours.
2. A patient is prescribed Levothyroxine. When should the nurse instruct the
patient to take this medication?
A. In the morning, 30-60 minutes before breakfast
B. Before bed with a snack
C. With the largest meal of the day
D. Right after lunch
Answer: A
Rationale: Levothyroxine should be taken on an empty stomach in the morning to enhance
absorption and prevent insomnia.
,3. Which adverse effect is most commonly associated with long-term
corticosteroid therapy?
A. Hypoglycemia
B. Hypotension
C. Delayed wound healing
D. Weight loss
Answer: C
Rationale: Long-term corticosteroid use can cause delayed wound healing, hyperglycemia,
fluid retention, and immunosuppression.
4. Desmopressin (DDAVP) is primarily indicated for the treatment of which
condition?
A. Diabetes Mellitus Type 1
B. Syndrome of Inappropriate Antidiuretic Hormone (SIADH)
C. Acromegaly
D. Diabetes Insipidus
Answer: D
Rationale: Desmopressin is a synthetic ADH used to treat Diabetes Insipidus by increasing
water reabsorption in the kidneys.
5. Before a patient undergoes a CT scan with iodine contrast, which medication
must be held for 48 hours?
A. Glipizide
B. Pioglitazone
C. Metformin
D. Sitagliptin
Answer: C
Rationale: Metformin must be held before and for 48 hours after contrast studies to
prevent lactic acidosis and renal failure.
, 6. A conscious patient with a blood glucose of 50 mg/dL should be treated with:
A. 1 unit of Regular insulin
B. Intravenous D50W
C. Intramuscular Glucagon
D. 15 grams of simple carbohydrates (e.g., orange juice)
Answer: D
Rationale: The ‘Rule of 15’ applies: 15g of simple carbs for conscious patients. IV D50W or
Glucagon are for unconscious patients.
7. Oxytocin (Pitocin) is used for which clinical purpose?
A. Induction of labor
B. Stopping preterm labor
C. Treatment of endometriosis
D. Contraception
Answer: A
Rationale: Oxytocin is used to stimulate uterine contractions to induce or augment labor
and to control postpartum hemorrhage.
8. Sildenafil (Viagra) is contraindicated in patients taking which class of
medication?
A. Beta-blockers
B. Statins
C. Proton pump inhibitors
D. Nitrates
Answer: D
Rationale: Mixing sildenafil with nitrates can cause life-threatening hypotension.
