Chapter Questions
Lysozyme does which of the following?a) Disrupts cell membranesb) Hydrolyzes peptidoglycanc) Waterproofs skind) Propels gastrointestinal contentse) Propels the cilia of the respiratory tract
The hematopoietic stem cells in the bone marrow can develop into which of the following cell types?1. Red blood cell4. Monocyte2. T cell5. Macrophage3. B cella) 2,3b) 2,4c) 2,3,4,5d) 1,4,5e) 1,2,3,4,5
All of the following refer to the same type of cell excepta) macrophageb) neutrophil.c) polyd) PMN.
Pattern recognition receptors (PRRs) detect all of the following compounds excepta) peptidoglycan.b) glycolysis enzymes.c) lipopolysaccharide.d) flagellin.e) certain nucleotide sequences.
The direct/immediate action of interferon on a cell is toa) interfere with the replication of the virus.b) prevent the virus from entering the cell.c) stimulate synthesis of inactive "suicide enzymes."d) stimulate the immune response.e) stop the cell from dividing.
A pathogen that can avoid the complement component $\mathrm{C} 3 \mathrm{b}$ would directly protect itself froma) opsonization.b) triggering inflammation.c) lysis.d) inducing interferon.e) antibodies.
Which of the following statements about phagocytosis is false?a) Phagocytes move toward an area of infection by chemotaxis.b) Digestion of invaders occurs within a phagolysosome.c) Phagocytes have receptors that recognize $C 3 b$ bound to bacteria.d) Phagocytes have receptors that recognize antibodies bound to bacteria.e) Macrophages die after phagocytizing bacteria, but neutrophils regenerate their lysosomes and survive.
All of the following cell types are found in a granuloma excepta) neutrophils.b) macrophages.c) giant cells.d) T cells.
All of the following trigger an inflammatory response excepta) engagement of PRRs.b) complement system activation.c) interferon induction of antiviral protein synthesis.d) tissue damage.
Which of the following statements about inflammation is false?a) Vasodilation results in leakage of blood components.b) The process can damage host tissue.c) Neutrophils are the first to migrate to a site of inflammation.d) Apoptosis induces inflammation.e) The signs of inflammation are redness, swelling, heat, and pain.