Nokea
You have been pulled to the telemetry unit for the day. The monitor watcher informs you that the client has developed prominent U waves. Which laboratory value should you check immediately?
- A. Sodium
- B. Potassium
- C. Magnesium
- D. Calcium
Correct Answer: B
Rationale: Prominent U waves on an ECG strip are typically associated with hypokalemia (low potassium levels). Checking potassium levels is critical to address potential cardiac complications.
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IV tubing can be used for up to __ hours provided solution is continuously infusing through it.
- A. 34
- B. 72
- C. 25
- D. 7
Correct Answer: B
Rationale: The rationale is that IV tubing should be changed every 72 hours to prevent infection if the solution is continuously running.
What is the definition of blindness in terms of the best corrected visual acuity (BCVA)?
- A. Less than 20/200 even with correction
- B. Between 20/70 and 20/200 in the better eye with glasses
- C. 20/400 or greater with no light perception
- D. 20/40 in at least one eye with correction
Correct Answer: A
Rationale: Blindness is legally defined as BCVA less than 20/200 in the better eye with correction.
4. What is the focus of the integrative model of health care?
- A. Costs paid by insurance
- B. Treatment of symptoms
- C. Mind-body-spirit connections
- D. Care directed by nurse practitioners
Correct Answer: C
Rationale: The integrative model emphasizes holistic care, focusing on the mind-body-spirit connections rather than just treating symptoms or relying solely on conventional treatments.
Why would a client’s recovery from shock be tenuous?
- A. Increased urine output
- B. Edema
- C. Hypertension
- D. Hypernatremia
Correct Answer: B
Rationale: Edema occurs due to excess fluid accumulation in the interstitial spaces, commonly seen in conditions like heart failure and kidney disease.
What outcome of being truthful about a terminal illness enhances the nurse-client relationship?
- A. The client’s autonomy and right to determine how to spend the rest of their life is upheld.
- B. Meaningful communication between clients and family members is promoted.
- C. The nurse-client relationship is based on honesty rather than false pretenses.
- D. Clients can use inner resources and determination to survive and prolong life.
Correct Answer: A
Rationale: Truthfulness empowers clients to make informed decisions about their remaining time, reinforcing trust and respect.