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A patient is to receive tetracycline therapy at home. After teaching the patient about foods to avoid when taking the drug, the nurse determines that the teaching was successful when the patient states he will avoid which of the following? Select all that apply.
- A. Yogurt
- B. Cheese
- C. Calcium-fortified cereals
- D. Citrus fruits
Correct Answer: A, B, C
Rationale: The patient should avoid dairy products including yogurt, cheese, milk, cream, ice cream, ice milk, or frozen custard before or after taking tetracycline. Citrus fruits and green leafy vegetables should not be avoided.
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The nurse is teaching a client about possible adverse reactions that can occur with tetracyclines. The nurse determines that the teaching was successful when the client identifies which of the following? Select all that apply.
- A. Photosensitivity
- B. Hypoglycemia
- C. Diarrhea
- D. Stomatitis
Correct Answer: A, D, E
Rationale: The nurse should advise the client that nausea, vomiting, diarrhea, epigastric distress, stomatitis, sore throat, skin rashes, and photosensitivity are adverse reactions that may occur with the administration of tetracyclines.
A nurse is reading a journal article about spectinomycin. Which of the following would the nurse expect to find as being discussed about this drug? Select all that apply.
- A. Spectinomycin is used to treat chlamydia infections.
- B. Spectinomycin is used to treat gonorrhea infections.
- C. Spectinomycin is chemically unrelated to aminoglycosides.
- D. Spectinomycin can be used in clients with penicillin allergy.
Correct Answer: B, D, E
Rationale: Spectinomycin is used to treat gonorrhea infections in clients who are allergic to penicillins, cephalosporins, or probenecid (Benemid). Spectinomycin is chemically related to but different from aminoglycosides. No significant drug or food interactions for spectinomycin are known.
After reviewing information about lincosamide therapy, a group of nursing students demonstrate understanding of the information when they identify which of the following as a contraindication?
- A. Children younger than 9 years
- B. Patients with pre-existing liver disease
- C. Patients taking cisapride
- D. Patients with myasthenia gravis
Correct Answer: C
Rationale: Lincosamide is contraindicated in patients taking cisapride. Tetracyclines are contraindicated in children younger than 9 years of age and pregnant women. Macrolides are contraindicated in patients with pre-existing liver disease and patients with myasthenia gravis.
A patient is scheduled for abdominal surgery and is ordered to receive kanamycin as part of the bowel preparation. The patient asks the nurse why he is getting this drug. Which response by the nurse would be most appropriate?
- A. You have an infection now and will probably have one after surgery, so this will help control it.
- B. We need to lower the levels of ammonia in your bloodstream to prevent problems.
- C. The drug helps eliminate bacteria so that your GI tract is as clean as possible for surgery.
- D. This is to help prevent you from developing any blood clots during and after the surgery.
Correct Answer: C
Rationale: Kanamycin and neomycin are used before surgery to reduce intestinal bacteria. It is thought that this reduces the possibility of abdominal infection that may occur after surgery on the bowel. By destroying bacteria in the gut and washing it out with laxatives or enemas, the surgical area becomes as clean as possible before the operation. The drug is not used to control an infection preoperatively. It does help to reduce blood ammonia levels with hepatic coma, but this is not the reason for its use with this patient. The drug has no effect on preventing blood clots postoperatively.
A patient is receiving linezolid. The patient is fond of eating chocolates and coffee, both of which contain tyramine. The nurse would instruct the patient that he is at risk for which of the following should he consume foods containing tyramine while taking linezolid?
- A. Severe hypertension
- B. Drowsiness
- C. Nervousness
- D. Nausea
Correct Answer: A
Rationale: The nurse should inform the patient that if tyramine found in chocolates and coffee interacts with linezolid, the patient will develop an increased risk for severe hypertension. Tyramine-containing foods interacting with linezolid do not cause drowsiness, nervousness, or nausea.