Final exam

Question 1

Government agency requires employees to protect their employees from exposure to blood, saliva, infectious diseases

Answer 1

OSHA

Question 2

Goal of infection control?

Answer 2

Reduce the dose of microorganisms that may be transmitted between individuals.

Question 3

Which of the Following hand Hygiene agents has a prolonged antimicrobial effect?

Answer 3

Chlorhexidine gluconate

Question 4

Masks should be used when?

Answer 4

A splattering of contaminated fluids is possible.

Question 5

Masks should be replaced?

Answer 5

With every patient

Question 6

Last PPE to be put on before patient treatment?

Answer 6

Gloves

Question 7

What distinguishes an intermediate level disinfectant from a low-levels disinfectant?

Answer 7

A. Intermediate kills TB
B. Intermediate

Question 8

Chemical indicator on the packages that go into the autoclave indicate what?

Answer 8

The instruments are sterile

Question 9

How should one sterilize a plastic rubber dam frame?

Answer 9

Liquid sterilant such as glutaraldehyde
Steam sterilizer

Question 10

Which of the following attacks dental unit water line biofilm?

Answer 10

An addition of an antimicrobial agent into the water.

Question 11

Where should sharps containers be placed in the office?

A. In the sterilizing room and storage
B. In the storage room & the clinic
C. Wherever disposable sharps are used or may be found.

Answer 11

C. Wherever disposable sharps are used or may be found.

Question 12

When should handpiece lines be flushed?

A. Before attaching the sterile handpiece
B. After attaching the sterile handpiece
C. Before removing the contaminated handpiece
D. After removing the contaminated handpiece.

Answer 12

D. After removing the contaminated handpiece.

Question 13

What does OPIM stand for?

Answer 13

Other potentially infectious material

Question 14

Whats the purpose of OSHAS required Hazard Communicating program?

Answer 14

To protect employees from chemical hazards.

Question 15

Where may you keep your lunch bag that you bring to the dental office?

Answer 15

In a separate refrigerator that is not used for dental materials.

Question 16

What does OSHAS BPS say about personal protective clothing?

Answer 16

Remove it before leaving the workplace.

Question 17

What can be done to reduce your exposure to aerosols from the oral cavity?

Answer 17

-Use a rubber dam
-Use the HVE
-Use the saliva ejector
-All of the above
A and B

Question 18

What should be done before changing or cleaning a vacuum line trap?

Answer 18

-Evacuate disinfectant detergent into the line & flush w/ water

Question 19

Statement 1: Skin & GI tract are full of bacteria
Statement 2: Most internal organs are sterile

Answer 19

Both statements are true

Question 20

What statements are true about bacteria?

Answer 20

-They are single cell organisms
-They are larger than viruses
All of the above

Question 21

Which of the following can be the shape of bacteria?

Answer 21

Coccous, bacillus, spirilla
-All of the above

Question 22

What is an obligate anaerobe?

Answer 22

Bacteria that cannot survive in oxygen.

Obligate aerobe is organism that can only survive in the presence of oxygen.

Question 23

Viruses can be killed by heat & bacterial disinfectants?
True or False

Answer 23

True

Question 24

What is true if you should have a positive skin test for TB?

Answer 24

-It indicates that you should have been exposed to TB
-You will be further evaluated with a chest- X-ray

Question 25

What is the name of the skin test for TB?

Answer 25

Mantoux test

Question 26

What is true about Syphilis?

Answer 26

A. It most often spreads by direct sexual conduct. B. If left untreated it can develop into a second & third stage. C. It has lesions that are ulcerated & painless. All of the above is correct

Question 27

What is the name of the organisms that cause candidiasis?

Answer 27

Candida albicans

Question 28

What disease is white & can be wiped off w/gauze square?

Answer 28

Pseudomembranous candidiasis/ Thrush

Question 29

What does a deep fungal injection indicate?

Answer 29

-It is a fungus infection of the lungs

Question 30

What are some benefits of good fungus?

Answer 30

-Makes bread rise -Mushrooms are fungi and are healthy -Certain fungi make penicillin -All of the above

Question 31

What is true about HPV's?

Answer 31

-There are over 100 types of HPV -Most are part of the normal flora -A few straths of HPV are associated with Oropharyngeal cancer All of the above is correct

Question 32

What does latent stage of a disease indicate?

Answer 32

-Once exposed, the virus is always present & resides inactive in the body -There is the potential for the virus to reactivate even years later.

Question 33

What is true about chicken pox?

Answer 33

-It is primarily a viral disease of children -The virus goes dormant & can occur later as shingles -both are correct

Question 34

What is true about the recurrent herpex simplex lesion?

Answer 34

-It is a painful ulcer that occurs on the hard palate & attached gingiva of the oral cavity -Herpes labials is the recurrent form of herpes simplex on the lips -The weepy, vestibular stage of herpes labialis is particularly contagious All of the above

Question 35

Which form of hepatitis is spread by the fecal-oral route? (poor sanitary conditions) A. Hepatitis A B. Hepatitis B C. Hepatitis C D Hershey A

Answer 35

Hepatitis A BCD are blood born needle route

Question 36

A preventive vaccination is available in the US? A. HIV B. Hepatitis E C. TB D. Tetanus

Answer 36

D. Tetanus

Question 37

How often do adults need to recreate the tetanus booster vaccine?

Answer 37

10 Years

Question 38

What is true about the HIV?

Answer 38

-Strands for humanImmunodeficiency viruss. -It is bloodborn pathogen

Question 39

What are symptoms of Hepatitis?

Answer 39

A. Jaundice B. Light colored stools C. Dark urine All of the above

Question 40

Which type of mouth rinse has a prolonged effect against microbes in the oral cavity?

Answer 40

Chlorehexidine mouth rinse

Question 41

Sharps injuries are primarily associated with occupational transmission in which of the following disease?

Answer 41

A. HBV, HEV, HIV B. Influenza, herpes, & TB C. Legionnaires disease, HBV, & the common cold D. Menginitis, chickenpox, & HIV Answer A

Question 42

What else is true about hepatitis B?

Answer 42

A. A small percentage can develop cirrhosis of the liver years later. B. A small percentage will die of liver cancer years later. C. Spread Via Blood D. All of the above

Question 43

What is true about Hepatitis D?

Answer 43

A. It is a viral strain that needs the presence of HBV to survive. B. If one has been vaccinated against HBV, then one should also be protected from HDV infection. C. It is spread via contaminated food. D. All of the above A and B