Arterial PO2 is reduced in_____________?
A. Anemia
B. KCN poisoning
C. Pulmonary hypoventilation
D. CO poisoning
In which of the following diseases would you expect to find an increase in thickness of the respiratory membrane ?
In which of the following diseases would you expect to find an increase in thickness of the respiratory membrane ?
A. Emphysema
B. Asthma
C. Pulmonary artery thrombosis
D. Skeletal abnormalities of the chest
Muscle of expiration____________?
Muscle of expiration____________?
A. Diaphragm
B. Internal intercostals
C. External intercostals
D. Rcti Abdominis
Oxygen dissociation cure is shifted to the right in all except_____________?
Oxygen dissociation cure is shifted to the right in all except_____________?
A. Fall in pH
B. Rise in temperature
C. Increase of 2, 3 3 DPG
D. HbF
The alveolar ventilation in an individual with tidal volume: 600 ml, dead space 150 ml and respiratory rate of 15/ minute is_____________?
The alveolar ventilation in an individual with tidal volume: 600 ml, dead space 150 ml and respiratory rate of 15/ minute is_____________?
A. 2.5 lit/Min
B. 4.0 lit /Min
C. 6.75 Lit/Min
D. 9 Lit/Min
The intrapleural pressure at the end of deep inspiration is ______________?
The intrapleural pressure at the end of deep inspiration is ______________?
A. -4 mm Hg
B. +4 mm Hg
C. -18 mm Hg
D. + mm Hg
Hypoxia is characterized by ___________?
Hypoxia is characterized by ___________?
A. Low arterial PO2
B. Intense chemoreceptor response
C. Favorable response to 100% oxygen
D. All of the above
Alveolar O2 tension is______________?
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_____________?
Surfactant is secreted by_____________?
A. Pnemocyte I
B. Pnemocyte II
C. Goblet cells
D. Pulmonary vessels
Vital capacity is decreased, timed vital capacity (FEV 1.0 %) is normal in______________?
Vital capacity is decreased, timed vital capacity (FEV 1.0 %) is normal in______________?
A. Bronchial asthma
B. Scoliosis
C. Chronic bronchitis
D. Acute bronchitis