A 28-year-old woman is 30 weeks pregnant with her second child and is being seen for a scheduled obstetric visit. Her first pregnancy and delivery was uncomplicated, and she has a healthy 2-year-old girl. It is known that the mother is Rh-, and this child could be at risk for hemolytic disease of the newborn. She received RhoGAM with her first pregnancy.   What type of hypersensitivity reaction is the fetus at risk for upon delivery?  

The major histocompatibility complex is ________.

Which of the following would not be a target for TC cells?

Clonal selection can be stimulated by foreign or self antigens.

AIDS is a secondary immunodeficiency disease that affects several types of immune cells.

Biochemical tests include all of the following except ________.

The hinge region of an antibody has a hypervariable amino acid region where the antigenic determinant fits.

Which statement is true regarding lymphocyte specificity?

Live, attenuated vaccines ________.

What type of molecules attract phagocytes to foreign substances?