Why carbon monoxide ($CO$) poisonous for man?

  • A

    It affects the nerves of the lungs

  • B

    It affects the diaphragm and intercostals muscles

  • C

    It reacts with oxygen reducing percentage of oxygen in air

  • D

    Haemoglobin combines with carbon monoxide instead of oxygen and the product cannot dissociate

Similar Questions

Match the disease in column $I$ with the appropriate items (pathogen/prevention/ treatment) in column $II$.

Column $-I$ Column $-II$
$(A)$ Amoebiasis $(i)$ Treponemapallidum
$(B)$ Diphtheria $(ii)$ Use only sterilizedfood and water
$(C)$ Cholera $(iii)\;DPT$ Vaccine
$(D)$ Syphilis $(iv)$ Use oral rehydration therapy

  • [AIPMT 2008]

An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as

  • [AIIMS 2005]

Which one of the following is a stimulant?

Haemozoin formed in malaria is produced by

Tse-tse fly is a vector for sleeping sickness which transmits the infective stage of which of the following parasite