Exam 1: The Immune Process: the Origin and Interaction Between Antigens and Antibodies

Most blood group antibodies react optimally at

Which of the following statements is true about the lectin pathway?

Optimal pH has not been determined for immunohematologic testing,but it is generally believed that testing should be performed within what pH range?

Immunoglobulins are roughly _____ -shaped molecules.

The cells of the adaptive immune system arise in the

What is the best description of cytokines?

Which is the principle isotype found in blood and extracellular fluid?

The term immunogen refers to a substance capable of eliciting the formation of a(n)

All of the following statements about the innate immune system are true except

Adequate time is needed for antigen-antibody reactions to reach equilibrium.The amount of time needed for equilibrium to be reached

Which scientist proved that infections were caused by microorganisms?

All of the following are true about the classical pathway except

Which of the following statements is true about affinity?

When a naive B cell Leᵃves the bone marrow,it has membrane-bound ________ antibody.

Approximately how many serum proteins are found in the complement system?

According to the clonal selection theory,lymphocytes are

All of the following statements about agglutination are true except

Which class of antibodies is generally less efficient at activating complement but may cause extravascular hemolysis or destruction of the red blood cells outside the circulation?

Which is the principal isotype found in mucosal secretions?

All of the following statements are true about the second step of the agglutination process except