Lehman College is holding a blood drive, and you wander in to ask about the proc

Question

Lehman College is holding a blood drive, and you wander in to ask about the process of donating blood. You tell the attending nurse that you have B blood type. Answer the following three questions: What blood types could the nurse give to you if you needed a transfusion someday? What blood types could the nurse give your B-type blood to if someone else needed a transfusion? What kinds of antigens does your B-blood have? What kinds of antibodies do will you make, with your B-type blood? a) take B, AB, O; give B; B antigens; anti-A antibodies b) a) take B, O; give B; AB; B antigens; anti-A antibodies c) take B; give B; O; A antigens; anti-B antibodies d) take B, A, O; give B; AB; A antigens; anti-A and anti-B antibodies An expecting mother with Rh- blood is carrying a Rh+ fetus. She has heard that having different Rh types between mother and fetus isn't always good for fetal health. Which of the following statements regarding an Rh- mother carrying an Rh+ arc NOT true? a) The Rh- mother only has to worry about the consequences of attacking a fetus in her second pregnancy with an Rh+ fetus, not the first b) During her first pregnancy with an Rh+ fetus, the Rh- mother's body will create anti-Rh antibodies, but these antibodies won't attack the fetus c) No problems occur; the fact that mother and fetus have different Rh types has no harmful health effects and increases population genetic diversity d) Rh+ mothers carrying Rh- fetuses do not have to worry about potentially attacking their fetus An individual from West Africa learns he has the genotype AS, for sickle cell anemia. He has heard that sometimes having sickle cell anemia can offer a protective benefit against malaria. Explain the likelihood of this person dying from sickle cell (SC) or malaria (M), due to their AS blood type. a) SC: likely M: unlikely b) SC: unlikely M: unlikely c) SC: likely M: likely d) Predictions on fatality cannot be made knowing only the person's genotype. Scientists are interested in tracking the population history of several different human groups that may be closely related to one another. In order to determine how related each population is to the others, they will be looking at the genetic profile, or set of alleles, for multiple genes in each population. What word describes what they scientists are looking for to investigate relatedness? haplotype

Explanation / Answer

(1)

Answer: (b) take B, O; give B, AB; B antigen; anti-A antibodies

Explanation:

B blood type contain antibodies against A blood type and carry B antigens.

Since you are B blood type, you can accept B blood type and O blood type.

(2) Answer: (C)

if mother is Rh negative and baby is Rh positive, body can react to the baby's blood and can make antibodies that can cross the placenta and attack the baby's red blood cells.

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