A 77-year-old male patient is scheduled to undergo open hear… A 77-year-old male patient is scheduled to undergo open heart surgery. Preoperative spirometry results show the patient’s FEV1 is 80% of predicted and the FEV1/FVC is 83%, indicating Read Details
In the upright position, which region of the left lung would… In the upright position, which region of the left lung would have the lowest ventilation-perfusion ratio? Read Details
Which of the following pulmonary disorders cause the alveola… Which of the following pulmonary disorders cause the alveolar-capillary membrane to thicken, hindering diffusion? Read Details
What changes would be expected with ventilation and perfusio… What changes would be expected with ventilation and perfusion in a patient with excessive blood loss? Read Details
What effect would an upper airway obstruction have on ventil… What effect would an upper airway obstruction have on ventilation and perfusion? Read Details
Normal physiologic shunts return deoxygenated blood to the l… Normal physiologic shunts return deoxygenated blood to the left atrium. Which of the following contribute to normal physiologic shunts? Read Details
Which of the following shift the oxyhemoglobin dissociation… Which of the following shift the oxyhemoglobin dissociation curve to the left? I. Presence of Fetal Hgb (HbF) II. Carboxyhemoglobin (COHb) III. Increased pH Read Details
A patient has a reported SaO2 of 90%, hemoglobin 15, PaO2 of… A patient has a reported SaO2 of 90%, hemoglobin 15, PaO2 of 61 mmHg, cardiac output of 6 L/min, and CvO2 of 14.2 vol%. What would the C(a-v)O2 equal? Read Details
What is derived from the following formula? (Hgb x 1.3… What is derived from the following formula? (Hgb x 1.34 x SvO2) + (PvO2 x 0.003) Read Details
