A client with chronic kidney disease (CKD) is receiving calcium acetate 667 mg PO. A decrease in which blood value indicates to the nurse that the medication is having the desired effect?
- A. pH.
- B. Phosphate.
- C. Potassium.
- D. Calcium.
Correct Answer: B
Rationale: Calcium acetate lowers phosphate levels in CKD by binding dietary phosphate. A decreased phosphate level indicates effectiveness. pH, potassium, and calcium are not primary targets.
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A female client who is starting a new prescription for doxycycline hyclate tells the nurse that she takes birth control pills. Which action should the nurse take?
- A. Instruct the client to take the two medications at least two hours apart.
- B. Advise the client that the birth control pills will be less effective while taking doxycycline hyclate.
- C. Notify the healthcare provider of the contraindication to tetracyclines.
- D. Encourage the client to stop taking birth control pills until she has finished taking all the doxycycline hyclate.
Correct Answer: B
Rationale: Doxycycline can reduce birth control pill effectiveness, requiring additional contraception. Timing separation, contraindication notification, or stopping birth control are incorrect actions.
The nurse is caring for a client with hypertension, gastroesophageal reflux, and osteoarthritis. While performing a bedside assessment, the nurse observes the client is alert and oriented, but is exhibiting signs of jaundice. The nurse should notify the healthcare provider about which scheduled medication?
- A. Captopril.
- B. Acetaminophen.
- C. Omeprazole.
- D. Prednisone.
Correct Answer: B
Rationale: Acetaminophen can cause liver toxicity, manifesting as jaundice, especially with high doses. Captopril, omeprazole, and prednisone are less commonly associated with jaundice.
The nurse is planning discharge teaching for a client with type 2 diabetes mellitus who has a new prescription for insulin glargine. Which action should the nurse plan to include in the discharge teaching?
- A. Demonstrate how to select dose based on before meal blood sugar readings.
- B. Provide information on increasing medication dosage if ketoacidosis occurs.
- C. Teach the client self-injection skills for daily subcutaneous administration.
- D. Explain to the family how to inject this medication for severe hypoglycemia.
Correct Answer: C
Rationale: Insulin glargine requires daily subcutaneous administration, so teaching self-injection skills is essential. It’s not dosed based on meal readings, adjusted for ketoacidosis, or used for hypoglycemia.
A young adult female client who is planning to become pregnant asks the nurse if she can continue taking isotretinoin for cystic acne. Which information is most important for the nurse to provide this client?
- A. Breastfeeding is not recommended while taking this medication.
- B. Do not take multiple vitamins that contain vitamin A while taking this drug.
- C. Baseline liver function results must be obtained during therapy.
- D. Discontinue this medication one month before attempting to conceive.
Correct Answer: D
Rationale: Isotretinoin is highly teratogenic, requiring discontinuation at least one month before conception to prevent birth defects. Breastfeeding, vitamin A, and liver monitoring are secondary concerns.
The healthcare provider prescribes enoxaparin sodium 80 mg SUBQ twice daily. The nurse is preparing a preloaded 1 mL syringe labeled, 'Enoxaparin sodium injection, USP 60 mg/0.6 mL.' How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
Correct Answer: 0.8
Rationale: Desired dose = 80 mg, Concentration = 60 mg/0.6 mL = 100 mg/mL. Volume = 80 mg / 100 mg/mL = 0.8 mL.