Which of the following is the best indicator of fluid balance in the body?
Intake and output
Lung sounds
Presence of edema
Weight
The Correct Answer is A
A. Monitoring fluid intake and output provides direct measurement of fluid balance in the body.
B. Lung sounds may indicate fluid accumulation in the lungs but are not a direct measure of overall fluid balance.
C. Edema may indicate fluid retention but does not provide comprehensive information about fluid balance throughout the body.
D. While weight can be an indicator of fluid balance, it is influenced by factors other than fluid status, such as muscle mass and fat.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. While renal calculi (kidney stones) can cause renal issues, they are not directly related to diminished renal output in this scenario. Hypovolemia, or low blood volume, is more pertinent to the patient's presentation of scant voiding and inability to eat or drink.
B. Diminished renal output, as evidenced by scant voiding, can be indicative of hypovolemia. Hypovolemia reduces kidney perfusion, leading to decreased urine output as the kidneys conserve fluid.
C. While inactivity can contribute to various health issues, it's not directly related to diminished renal output in this case. The primary concern is addressing the immediate physiological impact of decreased renal function.
D. While nephrotoxic drugs can impair renal function, there's no indication in the scenario that the patient has been exposed to such drugs. Thus, they are not directly relevant to the current situation.
Correct Answer is ["A","B","D"]
Explanation
A. Irregularly irregular: Atrial fibrillation is characterized by an irregularly irregular rhythm.
B. No identifiable P waves: P waves are typically absent in atrial fibrillation or may be difficult to identify.
C. PR interval is not typically measured in atrial fibrillation as it is not relevant to the rhythm.
D. Atrial rate not measurable: The atrial rate in atrial fibrillation is not measurable due to the rapid and irregular nature of the rhythm.
E. QRS interval is typically normal in atrial fibrillation and does not exceed 0.10 seconds.
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