The nurse seeks to assess the renal function of an elderly client who is about to receive a nephrotoxic medication. Which of the following labs provides the best indicator for renal function?
- A. urinalysis
- B. creatinine and blood urea nitrogen
- C. chemistry of electrolytes
- D. creatinine clearance
Correct Answer: D
Rationale: Due to decreases in lean body mass, blood creatinine is not as good an indicator of the elderly client's renal function as creatinine clearance. Creatinine clearance is a widely used test for glomerular filtration rate.
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The nurse is evaluating the performance of the UAP. The nurse should provide feedback to the UAP about which unsafe action?
- A. Cleanses and returns a wheelchair to a storage area after being used by the client.
- B. Ties the bedridden client's wrist restraint ties to the bed frame using a quick-release knot.
- C. Grasps the cord to unplug an intravenous infusion pump for the client's transport to x-ray.
- D. Turns on a bed exit alarm for the confused client who was talking incoherently to the UAP.
Correct Answer: C
Rationale: Grasping the cord to unplug the pump can damage the cord, increasing the risk of electrical shock, requiring feedback to the UAP.
A nurse taking a patient's history realizes the patient is complaining of SOB and weakness in the lower extremities. The patient has a history of hyperlipidemia, and hypertension. Which of the following may be occurring?
- A. The patient is developing CHF
- B. The patient may be having a MI
- C. The patient may be developing COPD
- D. The patient may be having an onset of PVD
Correct Answer: B
Rationale: Myocardial infarction may be associated with SOB and muscle weakness.
The nurse is teaching the parents of a 3 month-old infant about nutrition. What is the main source of fluids for an infant until about 12 months of age?
- A. Formula or breast milk
- B. Dilute nonfat dry milk
- C. Warmed fruit juice
- D. Fluoridated tap water
Correct Answer: A
Rationale: Formula or breast milk. Formula or breast milk are the perfect food and source of nutrients and liquids up to 1 year of age.
The nurse is assessing a client who states her last menstrual period was March 16, and she has missed one period. She reports episodes of nausea and vomiting. Pregnancy is confirmed by a urine test. What will the nurse calculate as the estimated date of delivery (EDD)?
- A. 8-Apr
- B. 15-Jan
- C. 11-Feb
- D. 23-Dec
Correct Answer: D
Rationale: December 23. Naegele's rule states: Add 7 days and subtract 3 months from the first day of the last regular menstrual period to calculate the estimated date of delivery.
Serum Vancomycin levels are taken to measure which of the following?
- A. renal function
- B. therapeutic range
- C. trough levels
- D. antibiotic resistance
Correct Answer: B
Rationale: Vancomycin levels are monitored to ensure therapeutic effects by peak level.