A patient with hypokalemia and heart failure is admitted to the telemetry unit. The nurse is aware that hypokalemia could cause which of the following abnormalities on an electrocardiogram (ECG)?
- A. Shortened P-R interval
- B. Inverted T wave
- C. Depressed U wave
- D. Elevated U wave
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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A nurse sees a variety of patients in the community health clinic. Which of the following patients would be at the greatest risk of dehydration?
- A. An 18-year-old basketball player with a stress fracture of the right foot
- B. An infant with diarrhea
- C. A 45-year-old with stomach flu
- D. An elderly patient living alone
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
The patient asks the nurse if he will die if air bubbles get into the IV tubing. What is the nurse's best response?
- A. The system is closed and that is impossible.
- B. Only relatively large volumes of air administered rapidly are dangerous.
- C. There is a risk of complication with IV administration.
- D. You watch too many movies.
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
The nurse is evaluating a patient's laboratory results. Based upon the laboratory findings, what results will cause the release of an antidiuretic hormone (ADH)?
- A. Increased serum sodium
- B. Decreased serum sodium
- C. Decrease in serum osmolality
- D. Decrease in thirst
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A nurse is visiting an 84-year-old woman living at home and recovering from hip surgery. The woman seems confused and has poor skin turgor, and she states that ¢â‚¬Å“she stops drinking water early in the day because it is too difficult to get up during the night to go to the bathroom.¢â‚¬ The nurse explains to the woman that:
- A. She will need to have her medications adjusted and be readmitted to the hospital for a complete workup.
- B. Limiting fluids can create imbalances in the body that can result in confusion; maybe we need to adjust the timing of your fluids.
- C. It is normal to be a little confused following surgery and it safe not to urinate at night.
- D. Confusion following surgery is common in the elderly due to loss of sleep.
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A nurse preparing to start an IV on a newly admitted patient teaches the patient about the procedure and begins to prepare the site. The nurse should always start by:
- A. Leaving one hand ungloved to assess the site
- B. Preparing the skin with an iodine solution
- C. Asking the patient if he is allergic to latex or iodine
- D. Removing excessive hair at the selected site
Correct Answer: C
Rationale: Before preparing the skin, the nurse should ask the patient if he or she is allergic to latex or iodine, which are products commonly used in setting up for IV therapy. A local reaction could result in irritation to the IV site or, in the extreme, it could result in anaphylaxis, which can be life threatening.