Which structure is responsible for evaporative water loss?
skin
rectum
lung
kidney
The Correct Answer is A
A. skin: The skin loses water through insensible loss (evaporation) and perspiration.
B. rectum: Rectal water loss occurs via feces, not evaporation.
C. lung: The lungs lose water through vapor during exhalation, not evaporation.
D. kidney: Kidneys excrete water via urine, not evaporative loss.
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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 D
Explanation
A. Skin: Some electrolytes are lost via sweat, but not the major route.
B. Lungs: Lungs excrete CO₂ but not most electrolytes.
C. Rectum: Some are excreted via feces, but the amount is minimal.
D. Kidney: The kidneys regulate and excrete electrolytes such as sodium, potassium, and calcium.
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