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Earn 100

Hyperventilation leads to stoppage of breathing for a brief period. This occurs due to
(a)Increase in oxygen level in the blood
(b)Decrease in oxygen level in the blood
(c)Increase in carbon dioxide level in the blood
(d)Decrease in carbon dioxide level in the blood

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_____ hypoxia is seen in patients with heart failure.

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The bluish or purplish discolouration of the skin or mucous membranes due to low oxygen saturation is called

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Which of the following events are seen when a person moves to high altitude?
(i) Breathing rate increases.
(ii) Binding capacity of haemoglobin with oxygen decreases.
(iii) The in alveolar air is reduced, so the diffusion of oxygen from the alveolar air into blood also reduces.
(iv) RBC production increases in the body to compensate for low oxygen availability.

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Which of the following is a correct statement?
