ANP140 Immune system

Which line of defense is adaptive immunity?

• 1st

• 2nd

• 3rd

• 4th

Where to T cells become immunocompetent?

• Thymus

• Thyroid

• Spleen

• Liver

What is the purpose of a fever?

• Increase nutrients and growth factors

• Inhibit reproduction of bacteria and viruses

• Attract NK cells to stop bacteria and viruses

• Attract leukocytes to injury

What type of immunity is nonspecific and doesn't depend on prior exposure?

• Passive immunity

• Adaptive immunity

• Humoral immunity

• Innate immunity

Which of the following is not within the second line of defense?

• Fever

• Leukocytes

• Mucous membranes

• Compliment system

What type of cell present antigens to T cells on its MHC proteins?

• Eosinophils

• Basophils

• Antigen present cells

• Leukocytes

What leukocyte is responsible for killing bacteria?

• Neutrophil

• Eosinophil

• Basophil

• Monocyte

What is secreted by NK cells that pokes holes in enemy cells?

• Interferons

• Perforins

• Phagocytes

• Granzymes

What type of adaptive immunity are antibodies from a mother's breast milk considered?

• Artificial active immunity

• Natural active immunity

• Artificial passive immunity

• Natural passive immunity

What process within the second line of defense involves an infected cell sending a signal to the other cells to prevent viral replication and then activating NK cells

• Inflammation

• Complement system

• Interferon

• Immune surveillance