Question 46 What is hemoglobin saturation at altitude (assume high altitude) with a PO2 of 50 mmHg? 55 83.5 97.5 100

Question 7 The formation of oxyhemoglobin from deoxyhemoglobin at the lungs is called an unloading reaction True or false?

6.

Question 15 Which of the following statements is TRUE of erythropoietin? O None of the above is true O Erythropoietin increases when oxygen levels decrease It is produced by the bone marrow It is produced by the kidney O Both A and C

QUESTION 20 The chloride shift refers to the exchange of chloride ions for carbon dioxide gas across respiratory membrane in the alveoli exchange of chloride ions for bicarbonate ions across the erythrocyte membrane effects of chloride ions on hydrogen ion binding affinity in the pulmonary capillaries effects of chloride ions on hydrogen ion diffusion out of erythrocytes

Question 40

Question 35 In emphysema, the destruction of alveolar septa and bronchial walls often leads to: Question 35 options: a decrease in total lung capacity gas trapping and increased residual volume an increase in surface area for gas exchange a reduction in total lung compliance

Question 37  Pulmonary rehabilitation for COPD consists of three important components. What is the main goal of pulmonary rehabilitation? Question 37 options: To educate patients on the need for smoking cessation and provide nutritional counseling To address exercise capacity, skeletal muscle weakness, and cachexia To restore a patient to the fullest medical, emotional, social, and vocational status To improve oxygen saturations and reduce carbon dioxide retention in advanced disease

QUESTION 13 This figure represents Atmospheric pressure (Patm) = 760 mmHg -F Thoracic wall TD 756 В 760 Lung `A Diaphragm Alveolar pressure (Paly) mid-expiration mid-inspiration the end of expiration the end of inspiration

Question 7 Match the factor with its effect on the affinity of hemoglobin for oxygen. [Choose no change increased temperature decrease increase increased pH increased 2,3-DPG [ Choose ] increased PCO2 [ Choose ] increased PO2 [ Choose ]