Blood and Blood Components

Question 1

Hemoglobin is a molecule containing 4 peptide chains. At the end of each of these chains, there exists a “heme” group which contains iron in a __ state.

Answer 1

+2 Ferrous

Question 2

The most common cause of acute poisoning related death is due to?

Answer 2

Carbon monoxide

Question 3

Carboxyhemoglobin increases hemoglobin’s affinity to oxygen; hemoglobin preferentially binds with the carbon monoxide

Answer 3

Both are true

Question 4

If the iron attached to the heme group is oxidized so that it is not able to bond with oxygen, the resulting condition is referred to as?

Answer 4

Methemoglobinemia