OSCE Review Pt. 1 & Pt. 2 questions and
answers
The oral cavity at birth is sterile. Microorganisms are introduced to the infant from
the mother and other caregivers.
A. The first statement is true, the second is false
B. The first statement is false, the second is true
C. Both are true
D. Both are false - correct answersC. Both are true
cross-contamination may occur from which of the following?
A. Only Person to person
B. Person to person, person to inanimate object, inanimate object to person
C. Only inanimate object to another inanimate object
D. Only from an inanimate object to a person and a person to an inanimate object
- correct answersB. Person to person, person to inanimate object, inanimate
object to person
Which of the following are modes of entry for microorganisms attempting to enter
the human body?
,OSCE Review Pt. 1 & Pt. 2 questions and
answers
A. Intact skin, Mucous membranes, and hair and nails
B. Breaks in the skin only
C. Only mucous membranes and the respiratory tract
D. Mucous membranes, breaks in the skin, and the respiratory tract - correct
answersD. Mucous membranes, breaks in the skin, and the respiratory tract
Which condition requires airborne infection isolation measures, as standard
precautions may be insufficient?
A. HIV
B. Hepatitis B
C. Herpes Simplex I
D. Tuberculosis - correct answersD. Tuberculosis
Aerosols are produced by which of the following?
A. Air/Water syringes, handpieces, ultrasonic handpieces, breathing, speaking,
coughing, and sneezing
,OSCE Review Pt. 1 & Pt. 2 questions and
answers
B. Only Air/Water syringes and handpieces
C. Only coughing, and sneezing and ultrasonic handpieces
D. Only breathing, speaking, coughing, and sneezing - correct answersA.
Air/Water syringes, handpieces, ultrasonic handpieces, breathing, speaking,
coughing, and sneezing
Which of the following are effective ways to lower the number of microorganisms
in the oral cavity?
A. Only toothbrushing and flossing
B. Toothbrushing, flossing, and preprocedural rinse
C. Only the use of a preprocedural rinse
D. Use of fluoride - correct answersB. Toothbrushing, flossing, and preprocedural
rinse
Waterlines should be flushed for what length of time between patients during the
day?
A. 1 minute
, OSCE Review Pt. 1 & Pt. 2 questions and
answers
B. 20-30 seconds
C. 2 minutes
D. 5 minutes - correct answersB. 20-30 seconds
Deferral of dental treatment may legally be done in which of the following cases?
a) Only when a patient has active tuberculosis
b) When a patient has active tuberculosis or a herpetic lesion
c) Only when a patient presents with a herpetic lesion on the lip
d) When a patient states that he or she has HIV on the health history - correct
answersb) When a patient has active tuberculosis or a herpetic lesion
What is the definition of lymphadenopathy?
a) Swelling of the ophthalmic nerve
b) Cancer has invaded the lymph nodes.
c) Removal of the lymph nodes
d) Regional lymph node enlargement - correct answersd) Regional lymph node
enlargement
answers
The oral cavity at birth is sterile. Microorganisms are introduced to the infant from
the mother and other caregivers.
A. The first statement is true, the second is false
B. The first statement is false, the second is true
C. Both are true
D. Both are false - correct answersC. Both are true
cross-contamination may occur from which of the following?
A. Only Person to person
B. Person to person, person to inanimate object, inanimate object to person
C. Only inanimate object to another inanimate object
D. Only from an inanimate object to a person and a person to an inanimate object
- correct answersB. Person to person, person to inanimate object, inanimate
object to person
Which of the following are modes of entry for microorganisms attempting to enter
the human body?
,OSCE Review Pt. 1 & Pt. 2 questions and
answers
A. Intact skin, Mucous membranes, and hair and nails
B. Breaks in the skin only
C. Only mucous membranes and the respiratory tract
D. Mucous membranes, breaks in the skin, and the respiratory tract - correct
answersD. Mucous membranes, breaks in the skin, and the respiratory tract
Which condition requires airborne infection isolation measures, as standard
precautions may be insufficient?
A. HIV
B. Hepatitis B
C. Herpes Simplex I
D. Tuberculosis - correct answersD. Tuberculosis
Aerosols are produced by which of the following?
A. Air/Water syringes, handpieces, ultrasonic handpieces, breathing, speaking,
coughing, and sneezing
,OSCE Review Pt. 1 & Pt. 2 questions and
answers
B. Only Air/Water syringes and handpieces
C. Only coughing, and sneezing and ultrasonic handpieces
D. Only breathing, speaking, coughing, and sneezing - correct answersA.
Air/Water syringes, handpieces, ultrasonic handpieces, breathing, speaking,
coughing, and sneezing
Which of the following are effective ways to lower the number of microorganisms
in the oral cavity?
A. Only toothbrushing and flossing
B. Toothbrushing, flossing, and preprocedural rinse
C. Only the use of a preprocedural rinse
D. Use of fluoride - correct answersB. Toothbrushing, flossing, and preprocedural
rinse
Waterlines should be flushed for what length of time between patients during the
day?
A. 1 minute
, OSCE Review Pt. 1 & Pt. 2 questions and
answers
B. 20-30 seconds
C. 2 minutes
D. 5 minutes - correct answersB. 20-30 seconds
Deferral of dental treatment may legally be done in which of the following cases?
a) Only when a patient has active tuberculosis
b) When a patient has active tuberculosis or a herpetic lesion
c) Only when a patient presents with a herpetic lesion on the lip
d) When a patient states that he or she has HIV on the health history - correct
answersb) When a patient has active tuberculosis or a herpetic lesion
What is the definition of lymphadenopathy?
a) Swelling of the ophthalmic nerve
b) Cancer has invaded the lymph nodes.
c) Removal of the lymph nodes
d) Regional lymph node enlargement - correct answersd) Regional lymph node
enlargement
