Between breaths, the intrapleural pressu...

Between breaths, the intrapleural pressure is approximately ……. Mm Hg less than atmospheric pressure.

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A decrease in intrapulmonary pressure to less than atmospheric pressure causes

Read the following statement (A - D). (A) The movement of air into and out of the lungs is carried out by creating a pressure gradient between the lungs and atmosphere. (B) Inspiration can occur if the pressure within the lungs is more than the atmospheric pressure. (C) Expiration takes place when the intrapulmonary pressure is lesser than the atmospheric pressure. (D) The diaphragm and a specialized set of intercostal muscles in between the ribs help in the generation of such pressure gradients for breathing. How many of the following statements are correct?

Initial pressure difference for oxygen than atmospheric air.

Boiling point of a mixture of water and nitrobenzene is 99^(@)C , the vapour pressure of water is 733 mm of Hg and the atmospheric pressure is 760 n n if Hg . The molecular weight of nitrobenzene is 123 . Find the ratio weights of the components of the distillate.

Assertion : When there is a thin layer of water between two glass plates , there is a strong attraction between them . Reason : The pressure between the plate becomes less than atmospheric pressure because pressure inside a bubble or drop is greater than outside pressure.

Assertion :- Inspiration can occur if intra pulmonary pressure is less than the atmospheric pressure. Reason :- Inspiration is initiated by the relaxation of diaphragm and external intercostal muscle.

Fill in the blanks : Breathing involves two stages. ...1... dunng vyhlc atmospheric airs drawn in and ...2... explratxon by which alveolar air is relesed out. b. The movement of air Into and out of the lungs is carried out by ...3... gradient between the lungs and the atmosphere. c. Inspiration can occur if the pressure within lungs is ...4... than the atmosphere pressure i.e., there is a ...5...pressure in the lungs with respect to atmospheric pressure. d. Expiration takes place when the intra pulmonary pressure is ...6... than atmospheric pressure.

MODERN PUBLICATION-BREATHING AND EXCHANGE OF GASES-COMPETITION FILE (MULTIPLE CHOICE QUESTIONS (MCQS)):

Which of the following is the carbonic anhydrase ?
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Skin is an accesssory organ of respiration in
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Between breaths, the intrapleural pressure is approximately ……. Mm Hg ...
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A large proportion of oxygen is left unused the human blood even after...
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Two friends are eating togeather on a dinning table. One of them sudde...
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Which can bind several hundred times more strongly to haemoglobin than...
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Pneumotaxic centre which can moderate the functions of the respiratory...
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The factor which does not affect the rate of alveolar diffusion is
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Congestion of the lungs is one of the main symptoms in
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Dead space air in man is
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Amount of CO(2) in expired air is about
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Emphysema is a
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Which one of the following is the correct statement for respiration in...
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People who have migrated from the planes to an area adjoining Rohtang ...
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which of the following in correct regarding respiration in adult f...
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Oxygen binding to haemoglobin in blood is
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Select the correct statement :
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1200 ml volume of air that always remains in the lungs even af...
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Vital capacity is
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If concentration of CO(2) is more the curve of oxygen will shift towar...
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