Which of the following body systems is the quickest to respond to changes in pH in the blood?
Respiratory system
Muscular system
Integumentary system
Kidneys and Renal system
The Correct Answer is A
A. Respiratory system: It responds within minutes by adjusting CO₂ exhalation to regulate pH.
B. Muscular system: It doesn’t play a direct role in acid-base balance.
C. Integumentary system: The skin is not involved in pH regulation.
D. Kidneys and Renal system: Though effective, the renal response is slower, taking hours to days.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. the lungs: Water is lost through respiration as vapor.
B. the skin: Water is lost via perspiration and insensible loss.
C. the kidneys: The primary site of regulated fluid loss via urine.
D. all of the answers are correct: All of these contribute to daily fluid loss, making this the correct and most complete answer.
Correct Answer is A
Explanation
A. Pulmonary edema: Pulmonary edema results from fluid accumulation in the lungs due to left-sided heart failure.
B. Dehydration: This is a deficit in body fluids, not fluid accumulation.
C. Effusion: Effusion is fluid in the pleural space, not the lung tissue.
D. Water intoxication: This refers to excessive water intake causing dilutional hyponatremia, not lung congestion.
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