The oxygen tension of the mixed venous blood is______________?
A. 25 mm Hg
B. 40 mm Hg
C. 55 mm Hg
D. 70 mm Hg
Medical Mcqs
In Haldane effect CO2 dissociation curve is shifted to_____________?
In Haldane effect CO2 dissociation curve is shifted to_____________?
A. Left
B. Right
C. Does not shift
D. None of the above
The most common form of hypoxia is______________?
The most common form of hypoxia is______________?
A. Hypoxic
B. Stagnant
C. Anemic
D. Histotoxic
Which of the following does not stimulate alveolar hyperventilation ?
Which of the following does not stimulate alveolar hyperventilation ?
A. Hypoxia
B. Hypercapnia
C. Acidosis
D. Stretching of airways
Arterial PO2 is reduced in_____________?
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