Patho 6030 Pulmonary, Patho Renal, Patho Cardiac Test Questions with Solved Solutions Version.

Within the alveoli, the following cells ingest foreign particles and organisms: - Answer Alveolar macrophages The following statement regarding surfactant is false: - Answer The following statement regarding surfactant is false: Following maximal inspiration, the maximum amount of air that can be exhaled is known as the: - Answer Forced vital capacity. The pulmonary circulation is very sensitive to the oxygenation; decreased oxygen in the alveoli leads to the following response: - Answer Intense vasoconstriction. Expiration is normally passive due to: - Answer elastic recoil When the oxyhemoglobin curve shifts to the right, the following will occur: - Answer The affinity of hemoglobin for oxygen decreases. Carbon dioxide is carried through the blood via the following mechanism: - Answer It is dissolved in the plasma. It is carried as bicarbonate. It is carried by proteins and hemoglobin. Correct! All of the above. The rate and depth of respirations are controlled by the respiratory center located in the: - Answer pons and medulla. In a patient with COPD and chronic hypoventilation, the following structures play an important role in the stimulation of respirations: - Answer The peripheral chemoreceptors Receptors within the lungs send messages to the respiratory center in the brainstem when the following occurs: - Answer Stretching of the airways. Increased lung congestion or pressure in pulmonary vessels.