Which Statement on Perfusion or Ventilation in Humans Is True

question 163

Multiple Choice

Which statement on perfusion or ventilation in humans is true?

• A) Perfusion delivers O₂ to the exchange surface.
• B) Perfusion carries away CO₂ that has diffused across the exchange surface.
• C) Ventilation delivers O₂ to the environmental side of the exchange surface.
• D) During exhalation, alveolar and pleural cavity pressure rise and become positive.
• E) Ventilation carries away O₂ that has diffused across the exchange surface.

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Definitions:

Blood Urea Nitrogen

A medical test that measures the amount of nitrogen in the blood that comes from the waste product urea, indicating kidney function.

Kidney Ureter Bladder

A radiological examination (KUB) focusing on the kidneys, ureters, and bladder to identify abnormalities within the urinary system.

Renal Malfunction

A condition where the kidneys fail to function properly, affecting the body's ability to filter and eliminate waste.

Periorbital Edema

Swelling around the eyes due to fluid accumulation, often resulting from allergies, infections, or inflammation.