Dental Assisting Exam Questions with Detailed Verified Answers

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Dental Assisting Exam Questions with
Detailed Verified Answers

Question:Hepatitis A


Ans: least serious form. spreads from person to person: fecal-oral. vaccine is
available 2 years of age and older


Question: Hepatitis B


Ans: a blood-borne disease that may also be transmitted by other bodily
fluids, including saliva. it may result in prolonged illness and even death.
Dental personnel are at risk because dental treatment brings them into
contact with blood and saliva.


Question: OSHA


Ans: requires that an employer offfer the Hepatitis B vaccine to employee,
within 10 days. The employee has the right to refuse the vaccine but must sign
a release form. The Hep B vaccine is safe for pregnant women. The vaccine is
effective for at least 15 years.


Question: Hepatitis C

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Ans: transmitted through blood transfusion. accidental needle sticks in dental
office, shared contaminated needles among injection drug users, or
contaminated tatoo needles. (there is no vaccine against Hep C)


Question: Herpes simplex type I


Ans: viral infection that causes recurrent sores on lips. they are commonly
known as fever blisters or cold sores.


Question: the herpes virus is passed through direct contact with lesions or
with infectious saliva. even when no active lesions are present, viral
transmission through saliva or through aerosol spray from the handpiece may
occur.


Ans: ...


Question: protective eyewear is important because a herpes infection in the
eye may cause blindliness. gloves protect against infection that may be passed
through lesions or abrasions on the hands.


Ans: ...


Question: the links in the chain of infection

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Ans: 1) virulence- the strength of an organism to produce disease


2) number of microorganisms- to cause disease, a high number of pathogenic


3) susceptible host- a person who is unable to resist infection by a particular
pathogen, someone who is in poor health, chronically fatigued, under extreme
stress or weakened immune system


4) portal of entry- to cause infection, pathogens must have a means of
entering the body. airborne pathogens enter the body through mouth and
nose. blood borne pathogens must have access to the blood supply as means
of entry into the body.


(infection control strategies are intended to break a link in the chain of
infection)


Question: an infectious disease


Ans: contagious, pathogens can be transferred from staff to patient, patient
to staff, and patient to patient through contaminated equipment.


Question: direct contact


Ans: contact with patients blood or other bodily fluids


Question: indirect contact


Ans: contact with contaminated surface or instruments

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Question: droplet infection


Ans: an infection that occurs in the mucosal surfaces of the eye, mouth, and
nose


Question: parenteral (through the skin) transmission


Ans: needle stick injuries, cuts, human bites, abrasions, or any break in the
skin


Question: OSHA


Ans: a regulatory agency that issues specific standards designed to protect
employees in the US. failure to comply with OSHA can result in serious
consequences including heavy fines.


Question: CDC


Ans: role is to issue recommendations based on sound scientific evidence for
health-related matters. the CDC guidelines for infection control in dental
healthcare settings now represents the standard of care.


Question: Exposure control plan


Ans: every office must have a written exposure control plan that clearly
describes how that office complies with the BBP standard. this must be
reviewed and updated at least annually.


Question: Universal precautions