Question 1

The predominant phagocytic cell is ________.

Accepted Answer

neutrophil

Question 2

Which of the following substances specifically kills neutrophils?

Accepted Answer

A)  Leukotoxin
B)  Endotoxin
C)  Ammonia
D)  Sulfur A

Question 3

Which of the following immunoglobulins is found in saliva?

Accepted Answer

A)  IgA
B)  IgG
C)  IgM
D)  IgD
E)  IgE A

Question 4

Which of the following cells is considered to be phagocytic?

Accepted Answer

A)  T-cell
B)  B-cell
C)  Macrophage
D)  Plasma cell

Question 5

Clinically, vasodilation is seen as

Accepted Answer

A)  edema.
B)  fibrosis.
C)  blunted papillae.
D)  destruction of the col.

Question 6

________ are synthesized and released by plasma cells.

Accepted Answer

The answer of ________ are synthesized and released by plasma...

Question 7

From the tissues, antigenic substances are carried to the

Accepted Answer

A)  local blood vessels.
B)  local lymph nodes.
C)  junctional epithelium.
D)  lamina propria.

Question 8

Which of the following tissue structures acts as a protective barrier for the passage of antigenic substances?

Accepted Answer

A)  Gingival connective tissue
B)  Alveolar bone
C)  Junctional epithelium
D)  Hemidesmosomes

Question 9

All of the following substances released by bacteria are considered toxic to host cells except one. Which one is the exception?

Accepted Answer

A)  Endotoxin
B)  Leukotoxin
C)  Histamine
D)  Exotoxin
E)  Hyaluronidase

Question 10

How can the variation in individual responses to pathogens be explained to patients?

Accepted Answer

The answer of How can the variation in individual responses...

Question 11

The major cells of the immune system are the ________.

Accepted Answer

The answer of The major cells of the immune system...

Question 12

Which of the following theories of periodontal disease activity are believed to occur by clusters or bursts of breakdown in a short time period?

Accepted Answer

A)  Random burst
B)  Asynchronous multiple burst
C)  Continuous
D)  Specific burst

Question 13

Neutrophils arrive at the site of infection in the gingival connective tissue from the

Accepted Answer

A)  blood vessels.
B)  alveolar bone.
C)  gingival epithelium.
D)  periodontal ligament.
E)  lymph vessels.

Question 14

The host response is a natural ________ mechanism.

Accepted Answer

The answer of The host response is a natural ________...

Question 15

Which of the following cells predominate in the body's response to periodontitis?

Accepted Answer

A)  T-lymphocytes
B)  B-lymphocytes
C)  Neutrophils
D)  Macrophages

Question 16

Which of the following substances is a type of cytokine?

Accepted Answer

A)  Collagenase
B)  Proteinase
C)  Hyaluronidase
D)  Interleukin-1
E)  Gelatinase

Question 17

The migration of neutrophils (PMNs)to the site of an invading pathogen is due to

Accepted Answer

A)  clotting.
B)  self-recognition.
C)  phagocytosis.
D)  chemotaxis.

Question 18

________ is the loss of clinical connective tissue attachment with subsequent bone loss.

Accepted Answer

The answer of ________ is the loss of clinical connective...

Question 19

Which of the following substances regulates the activity of different cells in the inflammatory/immune response?

Accepted Answer

A)  Histamine
B)  Bradykinin
C)  Cytokine
D)  Crevicular fluid

Question 20

Which of the following substances/cells are involved in bone destruction?

Accepted Answer

A)  B-cells
B)  Histamines
C)  Macrophages
D)  Neutrophils

Exam 4: Bacteria and the Host Response: Inflammatory and Immunology Fundamentals