Deck 6: Bloodborne Pathogens

Question 1

A percutaneous route of exposure to an infectious agent means that exposure occurred through the:

A)nose.
B)skin.
C)mouth.
D)ye.

Answer 1

skin.

Question 2

A person who is positive for HBsAg and _____ is highly infectious for hepatitis B (can more easily spread the disease).

A)HBcAg
B)Anti-HBc
C)HBeAg
D)Anti-HBe

Answer 2

HBeAg

Question 3

Which antibody is formed after a person responds to the hepatitis B vaccine?

A)Anti-HBc
B)Anti-HBe
C)Anti-HAV
D)Anti-HBs

Answer 3

Anti-HBs

Question 4

What is the main ingredient in the hepatitis B vaccine?

A)Antibodies to the HBsAg
B)HBsAg
C)HIV-Ag
D)HBeAg

Question 5

HIV makes people sick by:

A)damaging the liver.
B)causing a respiratory infection.
C)causing food poisoning.
D)destroying their immune system.

Question 6

Which of the following has the greatest potential occupational transmission risk to dental professionals?

A)Hepatitis B
B)HIV
C)Hepatitis C
D)Hepatitis A

Question 7

Which of the following hepatitis diseases does not have a chronic carrier state?

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

Question 8

The best way for you to avoid contracting a bloodborne disease in the office is to:

A)not shake hands with patients.
B)wear a mask all day long, even between patients.
C)handle sharps carefully.
D)disinfect operatory surfaces with undiluted bleach.

Question 9

Which of the following forms of hepatitis is not bloodborne?

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

Question 10

Most of the health care workers who have occupationally acquired HIV infection from infected patients had what type of exposure?

A)Through the mouth
B)Through the eye
C)Through the skin
D)Through the nose

Question 11

The vaccine for hepatitis B also protects against hepatitis:

A)A.
B)C.
C)E.
D)D.

Question 12

A hepatitis B carrier is:

A)HIV-positive.
B)HBsAg-positive.
C)Anti-HBsAg-positive.
D)HBsAg-negative.

Question 13

Which type of the hepatitis viruses causes disease only in persons who are simultaneously, or were previously, infected with the hepatitis B virus?

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

Question 14

HIV disease is not spread:

A)to a developing fetus from the infected mother.
B)by inhalation.
C)through percutaneous exposure.
D)from sexual activities.

Question 15

A vaccine is available for which of the following types of hepatitis?

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

Question 16

Which of the following AIDS exposure categories has had the highest number of.AIDS cases in the United States?

A)Men who have sex with men
B)Injection drug abusers
C)Men who have sex with men and who also are injection drug abusers
D)Heterosexual contact

Question 17

The greatest occupational risks for exposure to hepatitis B virus are (1) blood and saliva contamination of cuts and cracks on the skin or ungloved hands or hands with torn gloves, (2) spraying of blood and saliva onto open lesions on the skin or onto mucous membranes.and (3):

A)by ingesting contaminated water.
B)through injuries with contaminated sharps.
C)through inhalation.
D)by shaking hands with patients.

Question 18

Which of the following hepatitis diseases seldom, if ever, establishes a chronic infection?

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

Question 19

Which of the following forms of hepatitis is transmitted through contaminated food or water?

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

Question 20

How does HIV cause AIDS?

A)It destroys the liver.
B)It destroys the body's defenses against diseases.
C)It destroys the ability to control muscle action.
D)It paralyzes the body.

Question 21

AIDS is the acronym for __________.

Question 22

Hepatitis B is a bloodborne pathogen that causes a harmful infection of the _________.

Question 23

A person infected with HIV can have the virus present in saliva.

Question 24

Acquired immunodeficiency syndrome is caused by the ____________.

Question 25

As of 2010, how many documented cases of occupationally related HIV transmissions have been reported in dental personnel?

A)0
B)6
C)57
D)143