Hesi A2 Anatomy and Physiology Practice Tests Solution guide, Latest Spring 2022.

1. A person with AB- blood should not receive blood from which other blood type? a) AB+ b) Ac) Od) BThe correct answer is: AB+ Explanation: Those with an AB- blood type should not receive blood from those with AB+ blood. Although both AB+ and AB- blood have A and B antigens, the person with AB- blood lacks a special protein, or “Rhesus” Factor (Rh), circulating in their blood. If they are given blood that has the Rh factor present, their body will make antibodies to this foreign substance and complications will occur. This is especially true in pregnancy situations where the mother is Rh- and the baby she is carrying is Rh+. 2. Which blood type is considered the universal donor? a) Ob) ABc) AB+ d) O+ The correct answer is: OExplanation: O-Blood lacks both A and B antigens and the Rh factor, making it the only blood type that can donate to everyone