Deck 5: Disease Transmission

Question 1

The Epstein-Barr virus (EBV) is responsible for which infection?

A) Herpes zoster
B) Shingles
C) Oral hairy leukoplakia
D) Chickenpox

Answer 1

Oral hairy leukoplakia

Question 2

Infectious pathogens carried in the blood and body fluids are:

A) bloodborne
B) parenteral
C) virulent
D) acquired

Answer 2

bloodborne

Question 3

A seropositive result indicates that the patient is infected with:

A) hepatitis B (HBV)
B) herpes zoster virus (HZV)
C) herpes simplex virus (HSV)
D) human immunodeficiency virus (HIV)

Answer 3

human immunodeficiency virus (HIV)

Question 4

Handling contaminated instruments or touching contaminated surfaces facilitates:

A) direct transmission
B) indirect transmission
C) airborne transmission
D) spatter transmission

Question 5

By law, all clinical dental personnel are entitled to a free HBV vaccination within:

A) 5 days of position assignment
B) 10 days of position assignment
C) 20 days of position assignment
D) 30 days of position assignment

Question 6

Microorganisms that produce disease in humans are known as:

A) nonpathogenic
B) pathogens
C) pasteurized
D) spores

Question 7

Which microorganism is LEAST likely to be bacterial?

A) Spherical
B) Rod
C) Spiral
D) Helical

Question 8

Match each item or lesion with the associated mode of disease transmission.

Contaminated instrument

A)Direct
B)Indirect
C)Airborne
D)Bloodborne
E)Parenteral

Question 9

The symptoms of an acute infection:

A) are mild to moderate
B) are usually short in duration
C) lay dormant or latent for years
D) appear gradually, long after the initial infection

Question 10

Which disease is NOT transmitted from person to person?

A) Syphilis
B) Legionnaires' disease
C) Tuberculosis
D) Herpes labialis

Question 11

Which life form is the most resistant?

A) Virulent fungi
B) Active bacteria
C) Bacillus spore
D) Bloodborne virus

Question 12

The degree to which an organism produces disease is:

A) virulence
B) bioburden
C) transmission
D) susceptibility

Question 13

Bacterial endocarditis is prevented by which means?

A) Vaccination
B) Prophylactic antibiotics
C) Proper sanitation procedures
D) Stress-reduction protocols

Question 14

Which disease poses the greatest threat to dental personnel?

A) Measles
B) HIV/AIDS
C) Hepatitis B (HBV)
D) Tuberculosis

Question 15

Dental personnel should be vaccinated against which form of viral hepatitis?

A) A
B) B
C) C
D) D

Question 16

Oral candidiasis is an opportunistic infection caused by:

A) yeast
B) water
C) protozoa
D) bacteria

Question 17

Match each item or lesion with the associated mode of disease transmission.

Human bite

A)Direct
B)Indirect
C)Airborne
D)Bloodborne
E)Parenteral

Question 18

Match each item or lesion with the associated mode of disease transmission.

Infectious lesion

A)Direct
B)Indirect
C)Airborne
D)Bloodborne
E)Parenteral

Question 19

A 41-year-old male presents for an initial dental examination; his medical history indicates unexplained weight loss, fatigue, and night sweats. He coughs and spits frequently. Which infectious disease is consistent with these symptoms?

A) Tuberculosis
B) Tetanus
C) Infectious mononucleosis
D) Measles

Question 20

Match each item or lesion with the associated mode of disease transmission.

Drawer handle

A)Direct
B)Indirect
C)Airborne
D)Bloodborne
E)Parenteral

Question 21

Match each disease with the type of infection.

Common cold

A)Acute
B)Chronic
C)Latent
D)Opportunistic

Question 22

Match each disease with the type of infection.

Oral herpes simplex infection

A)Acute
B)Chronic
C)Latent
D)Opportunistic

Question 23

Match each organ or item with the form of contact with which it is associated.

Eye

A)Inhalation
B)Ingestion
C)Mucous membrane

Question 24

Tuberculosis is always a bloodborne disease.

Question 25

Bacterial endocarditis is a bacterial infection within the heart chamber.

Question 26

Match each organ or item with the form of contact with which it is associated.

Hand piece aerosol

A)Inhalation
B)Ingestion
C)Mucous membrane

Question 27

Match each organ or item with the form of contact with which it is associated.

Handled food

A)Inhalation
B)Ingestion
C)Mucous membrane

Question 28

Viruses can live and multiply outside a host cell.

Question 29

A highly resistant form of bacteria is called a spore.

Question 30

Match each item or lesion with the associated mode of disease transmission.

High-speed aerosol

A)Direct
B)Indirect
C)Airborne
D)Bloodborne
E)Parenteral

Question 31

Tuberculosis is the leading cause of death from infectious diseases.

Question 32

Match each disease with the type of infection.

Hepatitis B virus (HBV) infection

A)Acute
B)Chronic
C)Latent
D)Opportunistic

Question 33

Match each disease with the type of infection.

Pneumonia

A)Acute
B)Chronic
C)Latent
D)Opportunistic