31. 100 ml of blood can carry CO2

A 20 ml
B 0.3 ml
C 3.7 ml
D 6.3 ml
Answer :   3.7 ml
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32. When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?

A rising $$C{O_2}$$ concentration
B falling $$C{O_2}$$ concentration
C rising $$C{O_2}$$ and falling $${O_2}$$ concentration
D falling $${O_2}$$ concentration
Answer :   rising $$C{O_2}$$ concentration
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33. "Methemoglobin" refers to

A A colourless respiratory pigment
B Oxidized haemoglobin
C Oxygenated haemoglobin
D Deoxygeneted haemoglobin
Answer :   Oxidized haemoglobin
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34. The process of respiration is concerned with

A In take O2
B Liberation O2
C Liberation of CO2
D Liberation of energy
Answer :   Liberation of energy
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35. Carbon monoxide has greater affinity for haemoglobin as compared to oxygen

A 1000 times
B 200 times
C 20 times
D 2 times
Answer :   200 times
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36. Hiccough (hiccup) is due to activity of

A Intercostal muscle
B Food in air tract
C Diapharagm
D Ridge in the skull over the area of pituitary gland
Answer :   Diapharagm
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37. Which of the following prevents collapsing of Trachea

A Muscles
B Diaphragm
C Ribs
D None of the above
Answer :   None of the above
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38. Sneiderian membrane occurs on

A Larynx
B Nasoturbinals
C Maxillo turbinals
D Ethmoturbinals
Answer :   Nasoturbinals
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39. Respiratory rate in new born baby is

A Equal to adult
B Less then adult
C More than adult
D None of the above
Answer :   More than adult
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40. Arytenoid cartilage in larynx are

A Elastic
B Hyaline
C Calcified
D All of the above
Answer :   Hyaline
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