n addition to blood buffers, other body systems that work to keep the pH of the body within normal range are:
respiratory and liver
respiratory and kidneys
heart and lungs
liver and kidneys
The Correct Answer is B
A. Respiratory and liver: The liver is not a primary regulator of acid-base balance.
B. Respiratory and kidneys: The lungs eliminate CO₂ (acid), and the kidneys regulate bicarbonate (base).
C. Heart and lungs: The heart circulates blood but does not regulate pH.
D. Liver and kidneys: The liver is not directly involved in pH regulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. 40 ml: Slightly above the normal minimum; not the clinical cutoff for concern.
B. 20 ml: Too low; suggests oliguria.
C. 10 ml: Severely low urine output; consistent with renal failure.
D. 30 ml: 30 mL/hr is the minimum acceptable urine output in adults, indicating adequate perfusion and kidney function.
Correct Answer is D
Explanation
A. hyponatremia: Refers to low sodium levels, not potassium.
B. hypernatremia: Refers to high sodium levels.
C. hyperkalemia: Refers to high potassium levels.
D. hypokalemia: This term means low potassium levels, which can affect heart and muscle function.
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