Dental Seminar Test 1 Infection Control Exam
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For disease transmission to take place, there must be a pathogen present in sufficient quantity,
a reservoir for microorganisms, a mode of transmission, and:
a. a bloodborne pathogen
b. a susceptible individual
c. a contaminated surface
d. an unsterile instrument - Answer✔b.
The infection that is not spread by airborne transmission is:
a. chickenpox
b. measles
c. tuberculosis
d. hepatitis C - Answer✔d.
Blood borne transmission of certain viruses, such as human immunodeficiency virus (HIV), can
occur through cuts, punctures, and:
a. breathing contaminated aerosol
b. spatter of blood onto mucous membranes
c. wearing contaminated clothing
d. reusing face masks - Answer✔b.
An unvaccinated dental health care worker is at greatest risk of exposure to which
microorganism during dental treatment procedures?
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a. Hepatitis A
b. Hepatitis B
c. Hepatitis C
d. Hepatitis D - Answer✔b.
Which of the following is not a protocol of standard precautions?
a. wearing appropriate personal protective equipment
b. relying on patient's health history as an indication of risk
c. using a pre procedural mouth rinse on all patients
d. using dental dam isolation whenever possible - Answer✔b.
Which is recommended method used to prevent surface contamination?
a. use a surface barrier
b. wipe the surface with alcohol
c. use an intermediate-level disinfectant
d. use a high-level disinfectant - Answer✔a.
Which is an unsafe practice in recapping of a needle?
a. one handed scoop
b. a mechanical device specifically designed to hold the needle for recapping
c. any safety feature that is fixed, provides a barrier between the assistant's hands to remain
behind the needle
d. a two handed scoop method for maximal control - Answer✔d.
Patients who are infected with HIV or AIDS are:
a. a high risk to dental health care workers during treatment
b. best referred to a specialist for treatment in a hospital setting
c. protected from discrimination by the Americans with Disabilities Act
d. taking medications that may contraindicate dental treatment - Answer✔c. protected from
discrimination by the Americans with Disabilities Act
A dental assistant has completed the series of injections for hepatitis B vaccination. The next
step is to:
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a. provide a copy of the vaccine record for his or her employer
b. get a blood test for HBV antibodies
c. follow up in 5 years with a booster injection
d. get reimbursed by his or her employer for the cost of the injections - Answer✔b. get a blood
test for HBV antibodies
If patients indicate on their health history that they have active tuberculosis this means that:
a. they are taking antibiotics and it is safe to treat them in the dental office
b. they should not have elective treatment preformed in the dental office
c. it is safe to treat them if they have ben on antibiotics for 6 months
d. it is safe to treat them if the dental team wears N95 respirators - Answer✔b. they should not
have elective treatment preformed in the dental office
Which type of gloves doest the CDC recommend for surgical procedures?
a. latex
b. non latex
c. sterile
d. nitrile - Answer✔c. sterile
How much time should a surgical hand scrub take the dental assistant to perform?
a. 15-20 seconds
b. 30-60 seconds
c. 1-2 minutes
d. 2-6 minutes - Answer✔d. 2-6 minutes
When a dental assistant is cleaning instruments, what type(s) of personal protective equipment
should be worn?
a. safety glasses, examination gloves, and protective gown
b. safety glasses, utility gloves, and protective gown
c. safety glasses, examination gloves, face mask, and protective gown
d. safety glasses, utility gloves, face mask, and protective gown - Answer✔d. safety glasses,
utility gloves, face mask, and protective gown
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