NUR 210 EXAM 3 PHARMACOLOGY
QUESTIONS & ANSWERS (GALEN) 100%
GUARANTEE PASS
1. A patient is prescribed Lispro insulin before breakfast. When is the patient at the highest
risk for hypoglycemia?
A. 30 to 90 minutes after administration
B. 4 to 6 hours after administration
C. 10 to 12 hours after administration
D. Immediately upon administration
Answer: A
Conceptual Explanation: Lispro is a rapid-acting insulin with a peak action of 30 to 90
minutes. Hypoglycemia is most likely to occur at the peak of insulin activity.
2. Which statement by a patient starting Levothyroxine indicates a need for further teaching?
A. I will take this medication on an empty stomach 30 minutes before breakfast.
B. I will call my doctor if I feel my heart racing.
C. It may take several weeks before I feel the full effects of this drug.
D. I can stop taking this medication once my energy levels return to normal.
,Answer: D
Conceptual Explanation: Levothyroxine is a lifelong replacement therapy for
hypothyroidism; it should not be discontinued even when symptoms improve.
3. A nurse is preparing to administer Metformin. Which diagnostic test would require the
nurse to hold this medication?
A. A chest X-ray
B. A CT scan with intravenous contrast dye
C. An electrocardiogram (ECG)
D. A routine urinalysis
Answer: B
Conceptual Explanation: Metformin must be held 48 hours before and after procedures
involving iodine-based contrast media to prevent lactic acidosis and acute renal failure.
4. A patient with Type 2 Diabetes is prescribed Acarbose. The nurse should instruct the
patient to take this medication:
A. One hour before breakfast
B. With the first bite of each main meal
C. At bedtime with a snack
D. Only when blood glucose is above 200 mg/dL
Answer: B
, Conceptual Explanation: Acarbose is an alpha-glucosidase inhibitor that works by
delaying carbohydrate absorption; it must be taken with the first bite of a meal to be
effective.
5. What is the primary mechanism of action of Propylthiouracil (PTU)?
A. It inhibits the synthesis of thyroid hormones and blocks peripheral conversion of T4 to
T3.
B. It destroys the thyroid gland via radiation.
C. It stimulates the release of Thyroid Stimulating Hormone (TSH).
D. It increases the uptake of iodine by the thyroid gland.
Answer: A
Conceptual Explanation: PTU treats hyperthyroidism by inhibiting the synthesis of new
thyroid hormones and preventing the conversion of T4 to the more active T3 in the
periphery.
6. A patient is receiving Desmopressin for the treatment of Diabetes Insipidus. Which finding
indicates the medication is effective?
A. Increased blood glucose levels
B. Decreased urine output and increased urine osmolality
C. Decreased urine specific gravity
D. Increased serum sodium levels
QUESTIONS & ANSWERS (GALEN) 100%
GUARANTEE PASS
1. A patient is prescribed Lispro insulin before breakfast. When is the patient at the highest
risk for hypoglycemia?
A. 30 to 90 minutes after administration
B. 4 to 6 hours after administration
C. 10 to 12 hours after administration
D. Immediately upon administration
Answer: A
Conceptual Explanation: Lispro is a rapid-acting insulin with a peak action of 30 to 90
minutes. Hypoglycemia is most likely to occur at the peak of insulin activity.
2. Which statement by a patient starting Levothyroxine indicates a need for further teaching?
A. I will take this medication on an empty stomach 30 minutes before breakfast.
B. I will call my doctor if I feel my heart racing.
C. It may take several weeks before I feel the full effects of this drug.
D. I can stop taking this medication once my energy levels return to normal.
,Answer: D
Conceptual Explanation: Levothyroxine is a lifelong replacement therapy for
hypothyroidism; it should not be discontinued even when symptoms improve.
3. A nurse is preparing to administer Metformin. Which diagnostic test would require the
nurse to hold this medication?
A. A chest X-ray
B. A CT scan with intravenous contrast dye
C. An electrocardiogram (ECG)
D. A routine urinalysis
Answer: B
Conceptual Explanation: Metformin must be held 48 hours before and after procedures
involving iodine-based contrast media to prevent lactic acidosis and acute renal failure.
4. A patient with Type 2 Diabetes is prescribed Acarbose. The nurse should instruct the
patient to take this medication:
A. One hour before breakfast
B. With the first bite of each main meal
C. At bedtime with a snack
D. Only when blood glucose is above 200 mg/dL
Answer: B
, Conceptual Explanation: Acarbose is an alpha-glucosidase inhibitor that works by
delaying carbohydrate absorption; it must be taken with the first bite of a meal to be
effective.
5. What is the primary mechanism of action of Propylthiouracil (PTU)?
A. It inhibits the synthesis of thyroid hormones and blocks peripheral conversion of T4 to
T3.
B. It destroys the thyroid gland via radiation.
C. It stimulates the release of Thyroid Stimulating Hormone (TSH).
D. It increases the uptake of iodine by the thyroid gland.
Answer: A
Conceptual Explanation: PTU treats hyperthyroidism by inhibiting the synthesis of new
thyroid hormones and preventing the conversion of T4 to the more active T3 in the
periphery.
6. A patient is receiving Desmopressin for the treatment of Diabetes Insipidus. Which finding
indicates the medication is effective?
A. Increased blood glucose levels
B. Decreased urine output and increased urine osmolality
C. Decreased urine specific gravity
D. Increased serum sodium levels
