Correct Answers
For a disease transmission to take place, there must be a pathogen
present in sufficient quantity, a reservoir for microorganisms, a mode of
transmission, and Correct Answer-b. a susceptible individual
The infection that is not spread by airborne transmission is Correct
Answer-d. Hepatitis C
Bloodborne transmission of certain viruses, such as human
immunodeficiency virus (HIV), can occur through cuts, punctures and
Correct Answer-b. Spatter of blood onto mucous membranes.
An unvaccinated dental health care worker is at greatest risk of exposure
to which microorganism during dental treatment procedures? Correct
Answer-b. Hepatitis B
Which of the following is not a protocol for standard precautions?
Correct Answer-b. Relying on the patients health history as an indication
of risk.
Which is a recommended method used to prevent surface
contamination? Correct Answer-Use a surface barrier
Which is an unsafe practice in recapping of a needle? Correct Answer-d.
A two handed scoop method for maximal control
, Patients who are infected with HIV or AIDS are: Correct Answer-c.
Protected from discrimination by the Americans with Disabilities Act
A dental assistant has completed the series of injection for hepatitis B
vaccination. The next step is to? Correct Answer-b. Get a blood test for
HBV antibodies
If patients indicate on their health history that they have active
tuberculosis, this means that Correct Answer-b. They should not have
elective treatment performed in the dental office
Which type of gloves does the CDC recommend for surgical
procedures? Correct Answer-c. sterile
How much time should a surgical hand scrub take the dental assistant to
perform Correct Answer-d. 2-6 minutes
When a dental assistant is cleaning instruments, what types of personal
protective equipment should be worn Correct Answer-d. Safety glasses,
utility gloves, face mask, and protective gown.
Disposable devices, such as saliva ejector tips, can be reused if they are
Correct Answer-d. They are not to be reused, as they are single use
devices