Question: Activated B cells differentiate into ________.

Answer: plasma cells and memory B cells

Question: Which of the following is not a function of antibodies? Phagocytosis, Opsonization, Neutralization, or Agglutination?

Answer: Phagocytosis

Question: How long after initial tissue damages does leukocytosis occur - 3-4 minutes, 3-4 hours, 3-4 days or 3-4 weeks?

Answer: 3-4 days

Question: Which lymphoid organ is required for the selection of a functional population of T lymphocytes (T cells) for the immune system? Tonsil, Thyroid gland, Thymus, or Liver

Answer: Thymus

Question: Which of the following are true of class I major histocompatibility complex (MHC) molecules? they present exogenous antigens, they present endogenous antigens, bind complement or only present on erythrocyte surfaces?

Answer: they present endogenous antigens

Question: Which of the following is not a surface barrier serving the first line of defense? Mucus, Oil, Antibody, Keratin?

Answer: Antibody

Question: Which lymph trunks receive lymph from the upper limbs? Jugular trunks, Bronchomediastinal trunks, Subclavian trunks, or Intestinal trunks?

Answer: Subclavian trunks

Question: Vaccinations involve exposure to an antigen to elicit ________.

Answer: a primary immune response

Question: What is a determinant for organ compatibility and rejection of transplants? Interleukins, Pyrogens, Major histocompatibility complex (MHC) molecules or Perforins

Answer: Major histocompatibility complex (MHC) molecules

Question: What cells display portions of the pathogens (antigens) they ingest on their plasma membrane? Basophils, Eosinophils, NK cells (Natural Killer Cells), or Antigen-presenting cells

Answer: Antigen presenting cells