Nokea
A nurse is teaching a client who has a new prescription for Levodopa/Carbidopa for Parkinson's disease. Which of the following instructions should the nurse include?
- A. Increase intake of protein-rich foods.
- B. Expect muscle twitching to occur.
- C. Take this medication with food.
- D. Anticipate relief of manifestations in 24 h
Correct Answer: C
Rationale: Taking with food reduces nausea, a common side effect; protein can interfere with absorption.
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Enterohepatic circulation is seen in
- A. Ampicillin
- B. Benzylpenicillin
- C. Norfloxacin
- D. Streptomycin
Correct Answer: D
Rationale: Streptomycin is excreted via bile and reabsorbed, unlike the others.
Tetracycline needs to be given on an empty stomach because it chelates with:
- A. Calcium
- B. Magnesium
- C. Iron
- D. All of the above
Correct Answer: D
Rationale: Tetracycline forms insoluble complexes with divalent and trivalent cations (calcium, magnesium, iron), reducing absorption when taken with food containing these elements.
A nurse reviewing a client's medical record notes a new prescription for verifying the trough level of the client's medication. Which of the following actions should the nurse take?
- A. Obtain a blood specimen immediately prior to administering the next dose of medication.
- B. Verify that the client has been taking the medication for 24 hour before obtaining a blood specimen.
- C. Ask the client to provide a urine specimen after the next dose of medication.
- D. Administer the medication, and obtain a blood specimen 30 min late
Correct Answer: A
Rationale: Trough levels are measured just before the next dose to assess the lowest drug concentration in the blood.
A nurse is caring for a patient who is supposed to receive two drugs at the same time. What is the nurse's priority action?
- A. Wash her hands before handling the medications.
- B. Consult a drug guide for compatibility.
- C. Question the patient concerning drug allergies.
- D. Identify the patient by checking the armband and asking the patient to state his name.
Correct Answer: B
Rationale: A nurse should first consult a drug guide for compatibility when two or more drugs are being given at the same time. After compatibility is determined the medication can be administered. The nurse will perform hand hygiene, check for patient allergies, and ensure the right patient receives the medication by using two identifiers.
Which of the following is a representative of sulfonylurea?
- A. Metformin
- B. Sitagliptine
- C. Acarbose
- D. Chlorpropamide
Correct Answer: D
Rationale: Chlorpropamide is a sulfonylurea that stimulates insulin release from pancreatic beta cells.