Final exam Flashcards
Government agency requires employees to protect their employees from exposure to blood, saliva, infectious diseases
OSHA
Goal of infection control?
Reduce the dose of microorganisms that may be transmitted between individuals.
Which of the Following hand Hygiene agents has a prolonged antimicrobial effect?
Chlorhexidine gluconate
Masks should be used when?
A splattering of contaminated fluids is possible.
Masks should be replaced?
With every patient
Last PPE to be put on before patient treatment?
Gloves
What distinguishes an intermediate level disinfectant from a low-levels disinfectant?
A. Intermediate kills TB
B. Intermediate
Chemical indicator on the packages that go into the autoclave indicate what?
The instruments are sterile
How should one sterilize a plastic rubber dam frame?
Liquid sterilant such as glutaraldehyde
Steam sterilizer
Which of the following attacks dental unit water line biofilm?
An addition of an antimicrobial agent into the water.
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.
C. Wherever disposable sharps are used or may be found.
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.
D. After removing the contaminated handpiece.
What does OPIM stand for?
Other potentially infectious material
Whats the purpose of OSHAS required Hazard Communicating program?
To protect employees from chemical hazards.
Where may you keep your lunch bag that you bring to the dental office?
In a separate refrigerator that is not used for dental materials.
What does OSHAS BPS say about personal protective clothing?
Remove it before leaving the workplace.
What can be done to reduce your exposure to aerosols from the oral cavity?
-Use a rubber dam
-Use the HVE
-Use the saliva ejector
-All of the above
A and B
What should be done before changing or cleaning a vacuum line trap?
-Evacuate disinfectant detergent into the line & flush w/ water
Statement 1: Skin & GI tract are full of bacteria
Statement 2: Most internal organs are sterile
Both statements are true
What statements are true about bacteria?
-They are single cell organisms
-They are larger than viruses
All of the above
Which of the following can be the shape of bacteria?
Coccous, bacillus, spirilla
-All of the above
What is an obligate anaerobe?
Bacteria that cannot survive in oxygen.
Obligate aerobe is organism that can only survive in the presence of oxygen.
Viruses can be killed by heat & bacterial disinfectants?
True or False
True
What is true if you should have a positive skin test for TB?
-It indicates that you should have been exposed to TB
-You will be further evaluated with a chest- X-ray
What is the name of the skin test for TB?
Mantoux test
What is true about Syphilis?
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
What is the name of the organisms that cause candidiasis?
Candida albicans
What disease is white & can be wiped off w/gauze square?
Pseudomembranous candidiasis/ Thrush
What does a deep fungal injection indicate?
-It is a fungus infection of the lungs
What are some benefits of good fungus?
-Makes bread rise
-Mushrooms are fungi and are healthy
-Certain fungi make penicillin
-All of the above
What is true about HPV’s?
-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
What does latent stage of a disease indicate?
-Once exposed, the virus is always present & resides inactive in the body
-There is the potential for the virus to reactivate even years later.
What is true about chicken pox?
-It is primarily a viral disease of children
-The virus goes dormant & can occur later as shingles
-both are correct
What is true about the recurrent herpex simplex lesion?
-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
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
Hepatitis A
BCD are blood born needle route
A preventive vaccination is available in the US?
A. HIV
B. Hepatitis E
C. TB
D. Tetanus
D. Tetanus
How often do adults need to recreate the tetanus booster vaccine?
10 Years
What is true about the HIV?
-Strands for humanImmunodeficiency viruss.
-It is bloodborn pathogen
What are symptoms of Hepatitis?
A. Jaundice
B. Light colored stools
C. Dark urine
All of the above
Which type of mouth rinse has a prolonged effect against microbes in the oral cavity?
Chlorehexidine mouth rinse
Sharps injuries are primarily associated with occupational transmission in which of the following disease?
A. HBV, HEV, HIV
B. Influenza, herpes, & TB
C. Legionnaires disease, HBV, & the common cold
D. Menginitis, chickenpox, & HIV
Answer A
What else is true about hepatitis B?
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
What is true about Hepatitis D?
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
