Exam 3: BIO202 / BIO202 (Latest 2024 / 2025 Update) Human Anatomy and Physiology II Exam | Questions and Verified Answers | 100% Correct | Grade A - GCU

Exam 3: BIO202 / BIO202 (Latest Update) Human Anatomy and Physiology II Exam | Questions and Verified Answers | 100% Correct | Grade A - GCU Question: type I pneumocytes Answer: squamous epithelial cells for gas exchange Question: type II pneumocytes Answer: produce surfactant in the alveoli, which decreases surface tension in the lungs Question: neonates younger than 30 weeks gestation need to receive what? Answer: surfactant because prior to 30 weeks it is not yet produced in the fetus; lungs are likely to collapse without it Question: how is carbon dioxide transferred in the blood? Answer: as carbonic acid (H2CO3) (70% of the blood CO2 distribution) Question: carbonic acid further disassociates into what by which enzyme? Answer: carbonic anhydrase splits it into bicarbonate ions and protons Question: how are bicarbonate ions exchanged? Answer: exchanged for Cl - to maintain the pH levels of the blood Question: carbon dioxide binds to what region on hemoglobin? Answer: nitrogen, 23% of blood carbon dioxide is distributed onto the hemoglobin Question: the small remainder of the blood carbon dioxide exists where? Answer: in the plasma Question: dalton's law Answer: partial pressure of each gas is equal to the sum of the total pressure Question: Boyles law Answer: as volume increases, pressure decreases