Microbiology chapter 15 potential test questions

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1

phagocytes of the epidermis are called

  1. microglia
  2. goblet cells
  3. alveolar macrophages
  4. dendritic cells

d. dendritic cells

2

mucus-secreting membranes are found in

  1. the urinary system
  2. the digestive cavity
  3. the respiratory passages
  4. all of the above

d. all of the above

3

the complement system involves

  1. the production of antigens and antibodies
  2. serum proteins involved in nonspecific defense
  3. a set of genes that distinguish foreign cells from body cells
  4. the elimination of undigested remnants of microorganisms

b. serum proteins involved in nonspecific defense

4

interferons

  1. do not protect the cell that secretes them
  2. stimulate the activity of macrophages
  3. cause muscle ache, chills, and fever
  4. all of the above

d. all of the above

5

True or false and replace if false

The surface cells of the epidermis are alive.

falste - dead

6

True or false and replace if false

The surface cells of mucous membranes are alive.

True

7

True or false and replace if false

Wandering macrophages experience diapedesis.

True

8

True or false and replace if false

Monocytes are immature macrophages.

True

9

True or false and replace if false

Lymphocytes are large agranulocytes.

False - monocytes

10

True or false and replace if false

Phagocytes exhibit chemotaxis toward a pathogen.

True

11

In phagocytosis, adherence involves the binding between complementary chemicals on a phagocyte and on the membrane of a body cell.

False - pathogen

12

True or false and replace if false

Opsonization occurs when a phagocyte's pseudopods surround a microbe and fuse to form a sac.

False - ingestion

13

True or false and replace if false

Lysosomes fuse with phagosomes to form peroxisomes.

False - phagolysosomes

14

True or false and replace if false

A membrane attack complex drills circular holes in a macrophage.

False - pathogen's cytoplasmic membrane

15

True or false and replace if false

Rubor, calor, swelling, and dolor are associated with fever.

False - inflammation

16

True or false and replace if false

Acute and chronic inflammation exhibit similar signs and symptoms.

True

17

True or false and replace if false

The hypothalamus of the brain controls body temperature

True

18

True or false and replace if false

Defensins are phagocytic parts of of the first line of defense.

False - antimicrobial peptides

19

True or false and replace if false

NETs are webs produced by neutrophils to trap microbes.

True