The nurse is caring for a patient who is scheduled to undergo a glucose tolerance test next week. The patient's daily medications include an antihypertensive, oral contraceptives, and over-the-counter (OTC) vitamin C and calcium supplements
The nurse should instruct the patient to withhold which medication before the test?
a. Antihypertensive agent
b. Oral contraceptive
c. Vitamin C
d. Calcium supplement
B
Birth control pills will affect the reliability of the glucose tolerance test and should be withheld. Antihypertensive agents, vitamin C, and calcium supplements do not affect the reliability of glucose screening tests.
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