Transport of Gases

IMPORTANT

Transport of Gases: Overview

This topic covers concepts, such as, Oxyhaemoglobin,Transport of Oxygen,Transport of Gases etc.

Important Questions on Transport of Gases

EASY
IMPORTANT

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

MEDIUM
IMPORTANT

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

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The carbon dioxide is transported via blood to lungs as:

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

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IMPORTANT

Oxygen dissociation curve of haemoglobin is

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IMPORTANT

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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Which one of the following organs in the human body is most affected due to shortage of oxygen?

HARD
IMPORTANT

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

Question Image

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IMPORTANT

During one circuit of blood from the lungs to the tissues and back through the circulatory system, the percentage of haemoglobin giving up its oxygen to the tissues is 

MEDIUM
IMPORTANT

The formation of oxyhaemoglobin inside RBCs is a
(a) Physical process
(b) Chemical process
(c) Enzyme catalysed reaction
(d) Partial pressure influenced the process

Find out the correct answers from given statements.

MEDIUM
IMPORTANT

If the foetal haemoglobin can also bind with only 4 oxygen atoms then why foetal haemoglobin has more affinity for O2?

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If pCO2 is high and pO2 is low:

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IMPORTANT

Blood transport of CO2 occurs in three forms. The correct percentages of CO2 in these forms are

As
Carbaminohaemoglobin in RBC
As
Bicarbonates
Dissolved
Form in
Plasma
a. 20-25% 70% 7%
b. 7% 20-25% 70%
c. 20-25% 7% 70%
d. 70% 20-25% 7%

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IMPORTANT

During one circuit of blood from lungs to the tissues and back through circulatory system, the percentage of haemoglobin giving up its oxygen to tissues is

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How O2 and CO2 gets transported through blood?

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Pick the correct statement.

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Dissociation of oxyhaemoglobin can be promoted by

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IMPORTANT

Which of the following factors at tissue level favours dissociation of oxygen from oxyhaemoglobin