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A health care professional is caring for a patient who is about to begin taking radioactive
iodine -131 (Iodozone) to treat Graves' disease. Which of the following instructions
should the health care professional include when talking with the patient about the
drug?
A. Take the drug once daily for 5 days
B. Expect a bitter, acid-like taste
C. Restrict fluid after taking the drug
D. Expect full effects in 2-3 mo. - answers-D. Expect full effects in 2-3 mo.
The full therapeutic effects of radioactive iodine-131, an antithyroid drug, take 2 to 3
months, and with successful treatment, hypothyroidism can result.
A health care professional is talking to a patient about self-injecting regular insulin
(Humulin). The health care professional should tell the patient to rotate injection sites to
prevent which of the following ?
A. Rapid absorption
B. Intradermal injection
C. Injection pain
D. Lip hypertrophy - answers-D. Lip hypertrophy
Lip hypertrophy, also called lipodystrophy, is a proliferation of fat at the sites of repeated
insulin injections. It affects skin sensitivity and appearance. To prevent it, the patient
should rotate injection sites, keeping them at least 1 inch apart, and avoid using the
same spot within the same month.
The talking to a patient who is about to begin glipizide (Glucotrol) therapy to treat type 2
diabetes mellitus, the health care professional should include which of the following
instructions?
A. Avoid drinking alcohol
B. Sit or stand for 30min after taking the drug
C. Urinate every 4hr
D. Take the drug 2hr after a meal - answers-A. Avoid drinking alcohol
Alcohol can interact with glipizide, a sulfonylurea, causing a reaction similar to disulfiram
(Antabuse), manifesting as nausea, palpitations, and flushing. Alcohol also increases
the drug's hypoglycemic effects. The health care professional should tell the patient to
avoid drinking alcohol.
, A patent who is taking metformin (Glucophage) to treat type 2 diabetes mellitus plans to
undergo angiography using iodine-containing contrast dye. The health care professional
should recognize that an interaction between metformin and the IV contrast dye can
increase the patient’s risk for which of the following?
A. Hypokalemia
B. Hyperglycemia
C. Acute renal failure
D. Acute pancreatitis - answers-C. Acute renal failure
Metformin, a biguanide, can interact with iodine-containing contrast dye, causing acute
renal failure and lactic acidosis. The health care professional should withhold metformin
for 48 hr. prior to and following the procedure. The health care professional should also
monitor the patient for indications of acute renal failure or lactic acidosis, such as
reduced urine output, hyperventilation, and abdominal pain.
Which of the following drugs should a health care professional have available for a
patient who is experiencing an insulin overdose?
A. Naloxone
B. Diphenhydramine
C. Acetylcysteine
D. Glucagon (Glucagon) - answers-D. Glucagon (Glucagon)
Glucagon, a hyperglycemic that can be given subcutaneously, IM, or IV, treats severe
hypoglycemia from an insulin overdose in patients who are unconscious and for whom
IV glucose is not readily available. If the patient does not respond to glucagon, the
health care professional should administer a glucose solution IV.
A patient who is taking glipizide (Glucotrol) to treat type 2 diabetes mellitus contracts the
health care professional to report feeling shaky, hungry, fatigued. The health care
professional should tell the patient to do which of the following?
A. Drink 16oz of water
B. Perform a fingerstick blood glucose check
C. Take another glipizide tab
D. Lie down and rest - answers-B. Perform a fingerstick blood glucose check
Glipizide, a sulfonylurea, can cause hypoglycemia, which can manifest as diaphoresis,
shakiness, hunger, and fatigue. The health care professional should tell the patient to
check her blood glucose level, and if it indicates hypoglycemia, consume a snack of 15
to 20 g of carbohydrates, retest in 15 to 20 min, and repeat if her blood glucose level is
still low.