Questions: Question 26 A person who has type A - (A negative) blood can receive a transfusion from which of the following? type O- none of these AB- type O+

The answer is the first one: type O-.

Explanation for each option:

1. Type O-: This is the universal donor for red blood cells, meaning that people with any blood type can receive O- blood. Therefore, a person with type A- blood can safely receive a transfusion from someone with type O- blood.

2. None of these: This option is incorrect because type O- is a valid option for a transfusion for someone with type A- blood.

3. AB-: This option is incorrect because a person with type A- blood cannot receive AB- blood. The A- blood type can only receive A- or O- blood due to the presence of anti-B antibodies in their plasma.

4. Type O+: This option is incorrect because a person with type A- blood cannot receive O+ blood. The Rh factor (positive or negative) must be compatible, and a person with a negative Rh factor (A-) cannot receive blood from a positive Rh factor (O+).

Summary: A person with type A- blood can receive a transfusion from type O- blood.