Chapter 22

Which of the following is not among the first line of immune defenses against infection? a. skin, mucous membranes b. tears, saliva, gastric fluid c. urine flow d. resident bacterial populations e. complement activation f. lysozyme

Which of the following is not part of an innate immune response? a. phagocytic cells b. fever c. histamines d. cytokines e. inflammation f. complement activation g. antigen-presenting cells h. none of the above

Which of the following is not part of an adaptive immune response? a. phagocytic cells b. antigen-presenting cells c. histamines d. cytokines e. antigen receptors f. complement activation g. antibodies h. none of the above

Activated complement proteins __________. a. form pore complexes b. promote inflammation c. attract phagocytes d. all of the above

__________ trigger immune responses. a. Cytokines b. Lysozymes c. Antibodies d. Antigens e. Histamines f. all of the above

Name one defining characteristic of innate immunity.

Name one defining characteristic of adaptive immunity.

Antibodies are __________. a. antigen receptors b. made only by \(\mathrm{B}\) cells c. proteins d. all of the above

Antibody-mediated responses work against __________. a. intracellular pathogens b. extracellular pathogens c. cancerous cells d. both a and b e. both b and c f. a, b, and c

Cell-mediated responses work against __________. a. intracellular pathogens b. extracellular pathogens c. cancerous cells d. both a and b e. both a and c f. a, b, and c

__________ are targets of cytotoxic T cells. a. Extracellular virus particles in blood b. Virus-infected body cells or tumor cells c. Parasitic flukes in the liver d. Bacterial cells in pus e. Pollen grains in nasal mucus

Allergies occur when the body responds to __________. a. pathogens b. toxins c. normally harmless substances d. all of the above

Match the immune cell with a description. $$\begin{array}{cc}\text{______mast cell} && \text {a. kills virus-infected cells}\end{array}$$ $$\begin{array}{cc}\text{______ B cell} && \text {b. targets parasitic worms}\end{array}$$ $$\begin{array}{cc}\text{______ helper T cell} && \text {c. activates cytotoxic T cells}\end{array}$$ $$\begin{array}{cc}\text{______ NK cell} && \text {d. kills cancer cells}\end{array}$$ $$\begin{array}{cc}\text{______ cytotoxic T cell} && \text {e. factor in allergic reactions}\end{array}$$ $$\begin{array}{cc}\text{______ dendritic cell} && \text {f. antigen- presenter}\end{array}$$ $$\begin{array}{cc}\text{______ eosinophil} && \text {g. makes antibodies}\end{array}$$

Match the immunity concepts. $$\begin{array}{cc}\text{______anaphylactic shock} && \text {a. neutrophil}\end{array}$$ $$\begin{array}{cc}\text{______ antibody secretion} && \text {b. effector B cell}\end{array}$$ $$\begin{array}{cc}\text{______ phagocyte} && \text {c. general defense}\end{array}$$ $$\begin{array}{cc}\text{______ immune memory} && \text {d. immune response against one's own body}\end{array}$$ $$\begin{array}{cc}\text{______ autoimmunity} && \text {e. secondary response}\end{array}$$ $$\begin{array}{cc}\text{______ antigen receptor} && \text {f. B cell receptor}\end{array}$$ $$\begin{array}{cc}\text{______ inflammation} && \text {g. hypersensitivity to an allergen}\end{array}$$