In a young individual who has never been exposed to a blood transfusion,why does A-type blood have anti-B antibody,while B-type blood has anti-A antibody?
A) The fetus is exposed to the mother's blood antigens during pregnancy.
B) All individuals already have all possible antibodies at birth so this is normal.
C) That antibodies develop to A and B epitopes on intestinal microorganisms in the intestine.
D) The antibodies are transferred in the saliva from parent to child.
E) The antibodies are made to the recessive blood type that is not expressed.
Correct Answer:
Verified
Q1: Which statement is NOT true about neutrophils?
A)They
Q2: Immunoglobulins have a structure that resembles which
Q4: The _ recognize antigen on the surface
Q5: Antibodies are large protein molecules classified as
Q6: _ is/are a series of proteins activated
Q7: Neutrophils and lymphocytes are types of _.
A)platelets
B)red
Q8: The acquired immune response in vertebrates has
Q9: What type(s)of cell(s)conduct(s)phagocytosis?
_Macrophages in lymph nodes
_Kupffer cells
Q10: Cells bear substances on their surfaces that
Q11: Which of the following statements is correct?
A)Inflammation
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