Nokea
A client is receiving iron therapy for anemia. The prescriber has ordered tetracycline as treatment for the client's infection. Which of the following would be most appropriate for the nurse to do?
- A. Give the drugs at the same time.
- B. Give the iron first, then follow with the tetracycline in 30 minutes.
- C. Separate administration times by 2 hours.
- D. Withhold the iron until the tetracycline therapy is completed.
Correct Answer: C
Rationale: Iron therapy can interfere with the absorption of tetracycline. Therefore, the nurse should give the iron 2 hours before or after administering tetracycline. The two drugs should not be given at the same time. Withholding the iron would be inappropriate.
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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.
A patient has been prescribed a tetracycline drug for Rocky Mountain spotted fever. The patient also takes antacids. Which of the following effects is likely to occur due to an interaction between the two drugs?
- A. Increased risk of bleeding
- B. Increased action of neuromuscular blocking drugs
- C. Increased profound respiratory depression
- D. Decreased absorption of tetracycline
Correct Answer: D
Rationale: Interaction of antacids with a tetracycline drug causes decreased absorption of tetracycline. Increased action of neuromuscular blocking drugs and increased profound respiratory depression are the result of interaction between neuromuscular blocking drugs and tetracyclines. Increased risk of bleeding is a result of interaction between anticoagulants and tetracyclines.
After teaching a group of nursing students about indications for linezolid (Zyvox), the instructor determines a need for additional teaching when the students identify which of the following as an indication?
- A. Community-acquired pneumonia (CAP)
- B. Vancomycin-resistant Enterococcus faecium (VREF)
- C. Methicillin-resistant Staphylococcus aureus (MRSA)
- D. Acute otitis media
Correct Answer: D
Rationale: Linezolid is used in the treatment of vancomycin-resistant Enterococcus faecium (VREF), health care? and community-acquired pneumonias, and skin and skin structure infections, including those caused by methicillin-resistant Staphylococcus aureus (MRSA). It is not used to treat otitis media.
A client has been receiving an aminoglycoside for several weeks and comes to the clinic complaining of ringing in his ears and some dizziness. The nurse suspects ototoxicity. When developing this client's plan of care, which nursing diagnosis would be the priority?
- A. Impaired Comfort
- B. Altered Thought Process
- C. Diarrhea
- D. Risk for Injury
Correct Answer: D
Rationale: The development of ototoxicity would lead the nurse to identify a nursing diagnosis of Risk for Injury related to the effects of ototoxicity. Although the client's ringing in the ears could cause discomfort, the priority nursing diagnosis would be Risk for Injury. There is no evidence of impaired comfort, altered thought process or diarrhea.
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.