Hypoxia is characterized by ___________? A. Low arterial PO2 B. Intense chemoreceptor response C. Favorable response to 100% oxygenD. All of the above

Alveolar O2 tension is______________? A. Increased by hyperventilation B. Decreased by hyperventilation C. Similar to venous O2 tension D. Not affected by respiratory depression

Surfactant is secreted by_____________? A. Pnemocyte IB. Pnemocyte II C. Goblet cells D. Pulmonary vessels

Vital capacity is decreased, timed vital capacity (FEV 1.0 %) is normal in______________? A. Bronchial asthmaB. Scoliosis C. Chronic bronchitis D. Acute bronchitis

The type of hypoxia present in high attitude is_____________? A. Anemic HypoxiaB. Hypoxic Hypoxia C. Stagnant Hypoxia D. Histotoxic Hypoxia

The volume of gas in the lungs at the end of normal expiration is____________? A. Expiratory reserve volumeB. Functional residual capacity C. Residual volume D. Inspiratory reserve volume

tidal volume in adult is_____________? A. 125 mlB. 500 ml C. 1500 ml D. 2200 ml

A decrease in the arterial PO2 is seen in______________? A. Decrease in hemoglobin concentration of arterial blood B. Paralysis of inspiratory muscles C. Sluggish blood flowD. High altitudes

Kussmamul’s respiration occurs in response to_______________? A. Decrease in pH of blood B. Increase in pH of blood C. Obstructive pulmonary disease D. Carbon monoxide poisoning

Energy expenditure during normal breathing____________? A. 25% – 50% of total energy spent B. 50% -75% of total energy spent C. 15% – 20% of total energy spentD. 2% – 3% of total energy spent