MEDICINE MCQ
RESPIRATORY MEDICINE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Respiratory rate is affected by the level of ____ in the bloodstream.
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leukocytes
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erythrocytes
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oxygen
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carbon dioxide
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Explanation:
Detailed explanation-1: -If the various receptors in the body measure a high level of carbon dioxide (CO2) in the blood, the respiratory center increases the respiratory rate so that the excess CO2 in the alveoli can be released into the air we breathe. If, on the other hand, the CO2 concentration is too low, the respiratory rate is reduced.
Detailed explanation-2: -Common causes of a high respiratory rate include anxiety, fever, respiratory diseases, heart diseases, and dehydration. Common causes of a low respiratory rate include drug overdoses, obstructive sleep apnea, and head injuries. If a person is experiencing an abnormal breathing rate, they should contact a doctor.
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