Human Reproduction Question 393
Question: How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues [CBSE PMT 1998]
Options:
A) By chaning oxygen into carbon dioxide
B) By destroying the haemoglobin
C) By forming a stable compound with haemoglobin
D) By obstructing the reaction of oxygen with haemoglobin
Show Answer
Answer:
Correct Answer: C
Solution:
Carbon monoxide when inhaled combines with hemoglobin more rapidly than oxygen.
It blocks the oxygen transport by forming stable compound carboxyhaemoglobin.
Its prolonged inhalation may lead to death.