Exchange and Transport of Gases

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Exchange and Transport of Gases: Overview

This Topic covers sub-topics such as Oxygen Dissociation Curve, Haldane Effect, Chloride Shift, Exchange of Gases, Carbonic Anhydrase, Transport of Oxygen, Carbamino-haemoglobin, Transport of Gases, Oxyhaemoglobin and, Transport of Carbon Dioxide

Important Questions on Exchange and Transport of Gases

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A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O2

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The majority of carbon dioxide produced by our body cells is transported to the lungs

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Which one of the following statements about blood constituents and transport of respiratory gases is most accurate?

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Carbonic anhydrase occurs in

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The carbon dioxide is transported via blood to lungs as:

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Although much CO2 is carried in blood, bloods does not become acidic because

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Oxygen dissociation curve of haemoglobin is

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Carbon dioxide is transported from tissue to respiratory surface by only

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Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct?

"The patient has been inhaling polluted air containing unusually high content of ___________________."

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In alveoli of the lungs, the air at the site of gas exchange, is separated from the blood by

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Which of these is correct regarding D, E and F areas in the graph?

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In our tissue level, the dissociation of oxyhaemoglobin occurs due to:

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The diffusion membrane is made up of

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In lungs, the air is separated from the venous blood through          

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In the given graph curves A, B and C represent the relation between partial pressure of oxygen pO2 and saturation of haemoglobin with oxygen. If curve A represents the condition of blood in a regular artery then please select the correct statement from below.

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CO2 dissociates from carbamino haemoglobin when

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Read the following statements and select the correct one

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Hamburger phenomenon is also known as

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Which two of the following changes (A-B) usually tend to occur in the plain dwellers when they move to high altitudes (3500 m or more)?

(A) Increase in red blood cell size

(B) Increase in red blood cell production

(C) Increased breathing rate

(D) Increase in thrombocyte count

Changes occurring are

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When a man inhales air containing normal concentration of O2 as well as CO he suffers from suffocation because