Medical MCQs

5099 MCQs  (Page 456 of 510)

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Hypoxia is characterized by ___________?
A. Low arterial po2
B. Intense chemoreceptor response
C. Favorable response to 100% oxygen
D. All of the above
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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 spent
D. 2% – 3% of total energy spent
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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 posioning
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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 flow
D. High altitudes
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tidal volume in adult is_____________?
A. 125 ml
B. 500 ml
C. 1500 ml
D. 2200 ml
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The volume of gas in the lungs at the end of normal expiration is____________?
A. Expiratory reserve volume
B. Functional residual capacity
C. Residual volume
D. Inspiratory reserve volume
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The type of hypoxia present in high attitude is_____________?
A. Anemic hypoxia
B. Hypoxic hypoxia
C. Stagnant hypoxia
D. Histotoxic hypoxia
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An important non- respiratory function of lungs is_____________?
A. Anion balance
B. Sodium balance
C. Potassium balance
D. Ca+2 balance
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Carbon monoxide poisoning causes_______________?
A. Hypoxic hypoxia
B. Oxygen dissociation curve shifts to left
C. Cyanosis
D. Diffusion capacity of lungs decreases
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In cases of hypercapnia there is_______________?
A. Increased ph of blood
B. Decreased ph of blood
C. Remains same
D. Increased oxygen concentration in blood
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Word of the Day
15 Jul
Iterate
perform or utter repeatedly.
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