Tonsils promote memory of pathogens by:
A. secreting antibodies into the blood.
B. trapping food particles to support bacterial growth.
C. trapping pathogens to develop immune cells with memory.
D. producing B lymphocytes.
Ans: C. trapping pathogens to develop immune cells with memory.
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Answer the following statement true (T) or false (F)
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A) eumelanin B) pheomelanin C) carotene D) hemoglobin E) melanocyte stimulating hormone
At the equilibrium potential for an ion, its ____________________ gradient is exactly counterbalanced by its electrical gradient
Fill in the blank(s) with correct word
Does an Rh+ mother carrying an Rh? fetus require a RhoGAM injection? Explain your answer
A) No, she will not require a RhoGAM injection because the fetus is not at risk for Rh incompatibility. The fetus is not at risk because its RBCs lack Rh surface antigens and the mother's plasma lacks anti-Rh antibodies. B) No, she will not require a RhoGAM injection because the fetus is not at risk for Rh incompatibility. The fetus is not at risk because its RBCs contain Rh surface antigens and the mother's plasma has anti-Rh antibodies. C) Yes, she will require a RhoGAM injection because the fetus is at risk for Rh incompatibility. The fetus is at risk because its RBCs contain Rh surface antigens and the mother's plasma has anti-Rh antibodies. D) Yes, she will require a RhoGAM injection because the fetus is at risk for Rh incompatibility. The fetus is at risk because its RBCs lack Rh surface antigens and the mother's plasma has anti-Rh antibodies. E) Yes, she will require a RhoGAM injection because the fetus is at risk for Rh incompatibility. The fetus is at risk because its RBCs lack Rh surface antigens and the mother's plasma lacks anti-Rh antibodies.