NUR 210 EXAM 4 GALEN
PHARMACOLOGY QUESTIONS &
ANSWERS 100% GUARANTEE PASS
1. A patient is prescribed levothyroxine for hypothyroidism. Which instruction should the
nurse provide to ensure optimal absorption?
A. Take the medication with a full glass of milk at bedtime.
B. Take the medication with an antacid to prevent gastric upset.
C. Take the medication immediately after the largest meal of the day.
D. Take the medication on an empty stomach 30 to 60 minutes before breakfast.
Answer: D
Conceptual Explanation: Levothyroxine should be taken on an empty stomach, preferably
30-60 minutes before breakfast, to maximize absorption and prevent interactions with
food or other medications.
2. A nurse is preparing to administer lispro insulin to a patient with Type 1 Diabetes. When
should the nurse advise the patient to eat?
A. Exactly 45 minutes after the injection.
B. Within 15 minutes of the injection.
C. Two hours after the injection to coincide with the peak.
,D. One hour before the injection.
Answer: B
Conceptual Explanation: Lispro is a rapid-acting insulin with an onset of 15 to 30
minutes; therefore, the patient must eat within 15 minutes to prevent hypoglycemia.
3. Which of the following is a critical contraindication for a patient scheduled for a CT scan
with intravenous contrast while taking metformin?
A. Metformin must be discontinued 48 hours before and after the procedure to prevent
lactic acidosis.
B. The dose should be doubled on the day of the procedure.
C. Metformin should be taken with the contrast dye to protect the kidneys.
D. Metformin should only be stopped if the patient has a history of liver failure.
Answer: A
Conceptual Explanation: Metformin must be withheld 48 hours before and after contrast
media administration to prevent the risk of contrast-induced nephropathy and subsequent
lactic acidosis.
4. A patient receiving long-term corticosteroid therapy is at risk for which of the following
electrolyte imbalances?
A. Hyperkalemia and hyponatremia.
B. Hypermagnesemia and hypercalcemia.
, C. Hypocalcemia and hypophosphatemia.
D. Hypokalemia and hypernatremia.
Answer: D
Conceptual Explanation: Corticosteroids have mineralocorticoid effects, leading to
sodium and water retention (hypernatremia) and potassium excretion (hypokalemia).
5. The nurse is teaching a patient about propylthiouracil (PTU). Which adverse effect is most
important for the patient to report immediately?
A. Increased appetite and weight gain.
B. Mild skin rash and pruritus.
C. Insomnia and irritability.
D. Sore throat, fever, and fatigue.
Answer: D
Conceptual Explanation: PTU can cause agranulocytosis, a dangerous drop in white blood
cells. Symptoms like sore throat and fever must be reported immediately to assess for
infection.
6. A patient with Type 2 Diabetes is prescribed exenatide. Which finding in the patient’s
history should the nurse identify as a contraindication?
A. History of hypertension.
B. History of osteoarthritis.
PHARMACOLOGY QUESTIONS &
ANSWERS 100% GUARANTEE PASS
1. A patient is prescribed levothyroxine for hypothyroidism. Which instruction should the
nurse provide to ensure optimal absorption?
A. Take the medication with a full glass of milk at bedtime.
B. Take the medication with an antacid to prevent gastric upset.
C. Take the medication immediately after the largest meal of the day.
D. Take the medication on an empty stomach 30 to 60 minutes before breakfast.
Answer: D
Conceptual Explanation: Levothyroxine should be taken on an empty stomach, preferably
30-60 minutes before breakfast, to maximize absorption and prevent interactions with
food or other medications.
2. A nurse is preparing to administer lispro insulin to a patient with Type 1 Diabetes. When
should the nurse advise the patient to eat?
A. Exactly 45 minutes after the injection.
B. Within 15 minutes of the injection.
C. Two hours after the injection to coincide with the peak.
,D. One hour before the injection.
Answer: B
Conceptual Explanation: Lispro is a rapid-acting insulin with an onset of 15 to 30
minutes; therefore, the patient must eat within 15 minutes to prevent hypoglycemia.
3. Which of the following is a critical contraindication for a patient scheduled for a CT scan
with intravenous contrast while taking metformin?
A. Metformin must be discontinued 48 hours before and after the procedure to prevent
lactic acidosis.
B. The dose should be doubled on the day of the procedure.
C. Metformin should be taken with the contrast dye to protect the kidneys.
D. Metformin should only be stopped if the patient has a history of liver failure.
Answer: A
Conceptual Explanation: Metformin must be withheld 48 hours before and after contrast
media administration to prevent the risk of contrast-induced nephropathy and subsequent
lactic acidosis.
4. A patient receiving long-term corticosteroid therapy is at risk for which of the following
electrolyte imbalances?
A. Hyperkalemia and hyponatremia.
B. Hypermagnesemia and hypercalcemia.
, C. Hypocalcemia and hypophosphatemia.
D. Hypokalemia and hypernatremia.
Answer: D
Conceptual Explanation: Corticosteroids have mineralocorticoid effects, leading to
sodium and water retention (hypernatremia) and potassium excretion (hypokalemia).
5. The nurse is teaching a patient about propylthiouracil (PTU). Which adverse effect is most
important for the patient to report immediately?
A. Increased appetite and weight gain.
B. Mild skin rash and pruritus.
C. Insomnia and irritability.
D. Sore throat, fever, and fatigue.
Answer: D
Conceptual Explanation: PTU can cause agranulocytosis, a dangerous drop in white blood
cells. Symptoms like sore throat and fever must be reported immediately to assess for
infection.
6. A patient with Type 2 Diabetes is prescribed exenatide. Which finding in the patient’s
history should the nurse identify as a contraindication?
A. History of hypertension.
B. History of osteoarthritis.
