Micro

Question 1

Which anti-body is the most abundant type of antibody in the body

Answer 1

IgG

Question 2

Which type of hepatitis is a dental hygienist least likely to get

Answer 2

Hepatitis E

Question 3

In plaque biofilm, what makes up the bulk of the deposit

Answer 3

Exopolysaccharides

Question 4

Which is the first antibody to be produced after birth

Answer 4

IgM

Question 5

Which antibody is involved in a type 1 hypersensitivity reaction

Answer 5

IgE

Question 6

What blood type can be given to all individuals

Answer 6

O negative

Question 7

Microscopically, staphylococci presents as

Answer 7

Grape like clusters

Question 8

Which of the following organisms are implicated in pregnancy gingivitis

Answer 8

Prevotella intermedia

Question 9

Which organism is causative for pharyngitis and scarlet fever

Answer 9

Streptococcus pyogenes

Question 10

Bacteria implicated in root carries

Answer 10

Lactobacillus

Question 11

Which micro organism can be encapsulated with a polysaccharide layer

Answer 11

Streptococcus pneumoniae

Question 12

The complement system aids in the immune response by

Answer 12

Increasing lysis and opsonization

Question 13

What are the cell wall characteristics for a gram + organisms

Answer 13

Thick, two layer wall structure that stains blue

Question 14

Which microscopic technique must be employed to identify Mycobacterium tuberculosis

Answer 14

Acid-fast staining

Question 15

At what stage of bacterial growth are organisms most susceptible to anti-microbial action

Answer 15

Logarithmic phase

Question 16

Which bacteria is an early colonizer that is associated with the tongue

Answer 16

Streptococcus Salivarius

Question 17

Characteristics that are associated with PG

Answer 17

Gram- rods, Obligate anaerobes, surface fimbrae

Question 18

All of the following are RNA virus is except which one

HIV, mumps, hepatitis A, Epstein barr

Answer 18

Ebstein barr

Question 19

Which of the following viruses has been linked to a heightened risk of oropharyngeal cancer

Answer 19

Human papilloma virus

Question 20

A positive mantoux skin test is an example of

Answer 20

Cell-mediated hypersensitivity reaction

Question 21

All of the following are characteristics of autoimmune disorders except which one

Early onset, multifactorial, antibody mediated, more common in females

Answer 21

Early onset

Question 22

Which immune cell is most active in cellular immunity

Answer 22

T cell

Question 23

Allergies to pollen is an example of

Answer 23

Humoral immunity

Question 24

What is a virion

Answer 24

Complete virus

Question 25

What shape are most viruses

Answer 25

Icosahedral