You are counseling a patient with diabetes who is starting therapy with an alpha-flucosidase inhibitor. The patient should be educated about the potential for which adverse reactions. (Select all that apply, one, some, or all)
Hypoglycemia
Diarrhea
Fluid retention
Elevated iron levels in the blood
Flatulence
Correct Answer : A,B,E
A. Alpha-glucosidase inhibitors, such as acarbose or miglitol, delay carbohydrate absorption in the intestine, which blunts postprandial blood glucose spikes. While these medications do not directly cause hypoglycemia, hypoglycemia can occur if they are used in combination with other antidiabetic medications like sulfonylureas or insulin. Patients should be educated to recognize and manage hypoglycemia, especially when taking combination therapy.
B. Gastrointestinal side effects are common with alpha-glucosidase inhibitors because undigested carbohydrates are fermented by intestinal bacteria, leading to osmotic effects and increased stool water content, which can result in diarrhea. Patients should be informed that these effects are usually mild to moderate and often improve over time with continued use.
C. Fluid retention is not associated with alpha-glucosidase inhibitors. This adverse effect is more typical of medications such as thiazolidinediones (e.g., pioglitazone, rosiglitazone).
D. Alpha-glucosidase inhibitors have no effect on iron metabolism. This is unrelated to the mechanism of action of these medications.
E. Flatulence is a common side effect because carbohydrates that are not digested in the small intestine are fermented by colonic bacteria, producing gas. Patients should be educated that this is expected, typically harmless, and often decreases with continued therapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D","E"]
Explanation
A. Rest, especially lying flat, can help relieve post-dural puncture headaches (spinal headaches) by reducing cerebrospinal fluid (CSF) pressure. Patients are often encouraged to limit upright activity until symptoms improve.
B. Fluidshelp maintain hydration, which may support CSF volume and circulation, potentially alleviating headache symptoms.
C. A blood patchis considered the most definitive treatment for persistent or severe spinal headaches. It involves injecting the patient’s own blood into the epidural space near the puncture site to seal the leak of CSF, which provides rapid and often complete relief.
D. Caffeinecan provide temporary relief for spinal headaches. It works as a vasoconstrictorand may increase CSF production, reducing headache intensity. Caffeine can be administered orally or intravenously.
E. Analgesics, such as acetaminophen or nonsteroidal anti-inflammatory drugs (NSAIDs), can be used to manage pain and discomfortassociated with spinal headaches. Opioids are generally avoided unless severe and other measures are ineffective.
Correct Answer is C
Explanation
A. Methimazole crosses the placenta and is considered teratogenic, especially during the first trimesterof pregnancy. It can cause congenital malformations such as choanal or esophageal atresia and aplasia cutis. Patients planning pregnancy should discuss alternativeswith their provider. Often, propylthiouracil (PTU)is preferred during early pregnancy because it has a lower teratogenic risk, though it carries a higher risk of liver toxicity. After the first trimester, methimazole may be used if necessary. This statement shows a lack of understanding of safe pregnancy practices while on this medication.
B. Although methimazole can rarely cause hepatotoxicity, it is much less hepatotoxic than PTU. Routine liver function tests are not typically requiredunless the patient shows symptomsof liver dysfunction (e.g., jaundice, dark urine, abdominal pain). Overemphasis on routine LFTs may cause unnecessary anxiety or testing.
C. Methimazole carries a risk of agranulocytosis, a severe reduction in white blood cells that can increase susceptibility to infections. Early warning signs include sore throat, fever, malaise, or other signs of infection. Prompt reporting is critical because agranulocytosis can develop suddenly and requires immediate discontinuation of the drug and medical evaluation. This statement reflects correct understanding of patient safety and monitoringwhile on methimazole.
D. Routine CBC monitoring is not recommendedunless the patient exhibits symptoms suggestive of infection. Frequent testing without clinical indication is unnecessary and does not improve safety outcomes. Symptom-driven monitoring is the current standard of care.
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