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MDCAT Practice Test - Practice Test - Biology - Respiration - 2026 Quiz

Attempt 10 MCQs on MDCAT Practice Test - Practice Test - Biology - Respiration (Year 2026) | Quiz 4

31. Which gas moves from alveoli into blood?



32. Which gas moves from blood into alveoli?



33. What is the thin barrier between alveolar air and blood called?



34. What is the normal PO₂ in the alveoli?



35. What shape is the oxygen-hemoglobin dissociation curve?



36. How does fetal hemoglobin differ from adult hemoglobin?



37. What is the main form of CO₂ transport in blood?



38. Which enzyme facilitates CO₂ hydration in RBCs?



39. What is the term for oxygen deficiency in tissues?



40. What term describes increased blood CO₂?



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