Quiz
T5-3.- Why do blood types matter?
Perguntas do quiz (5)
1What are antigens?
- AHarmful disease-causing microorganisms
- BAny foreign substance that induces an immune response
- CAntibodies produced by the immune system in response to a pathogen
2What is the main function of erythrocytes (red blood cells)?
- ATo deliver oxygen to cells
- BTo deliver carbon dioxide to tissues
- CBoth are correct
3If a person inherits the A allele from his mother, and the B allele from his father, what will his blood type be?
- AType B
- BType A
- CNone of them
4Why are people with Type O blood considered universal donors?
- ATheir erythrocytes have both the A and the B antigens, so their body doesn't make any antibodies
- BTheir erythrocytes have neither the A nor the B antigen, so there are no antigens to induce an immune response in the recipient
- CTheir erythrocytes have neither the A nor the B antigen, so their body doesn't make any antibodies
5What is Rh factor?
- ARheumatoid factor, which indicates the probability of suffering Rheumatoid arthritis
- BRhesus factor, another type of antigen on erythrocytes
- CRed hemoglobin factor, indicating the presence of red blood cells
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