DANB DANB Patient Medical History & Infection Risk Assessment 3

Question 1

Which mode of disease transmission is MOST relevant during aerosol-generating dental procedures?

Accepted Answer

Airborne and droplet transmission of respiratory pathogens

Answer

Fecal-oral transmission

Answer

Vector-borne transmission

Answer

Vehicle-borne transmission

Question 2

Pre-procedural mouth rinses (e.g., chlorhexidine) are recommended before dental procedures to:

Accepted Answer

Reduce the microbial load in aerosols generated during treatment

Answer

Improve the taste of the procedure

Answer

Anesthetize the oral mucosa

Answer

Prevent dry mouth during the appointment

Question 3

What is the significance of the 'incubation period' in dental infection control?

Accepted Answer

It is the period between infection and symptoms during which a person may unknowingly transmit disease

Answer

It refers to the time instruments must remain in the autoclave

Answer

It describes the time disinfectants must remain wet on surfaces

Answer

It is the time needed for sterilization monitoring cultures to grow

Question 4

When a dental office sees a patient with confirmed active tuberculosis (TB), what additional precaution category applies?

Accepted Answer

Airborne precautions (N95 respirator, negative pressure room if available)

Answer

Contact precautions only

Answer

Droplet precautions only

Answer

Standard precautions only

Question 5

What is the role of the OSHA Bloodborne Pathogens Standard in a dental office?

Accepted Answer

It mandates employer practices to minimize employee risk of exposure to blood and OPIM

Answer

It only applies to hospitals and surgical centers

Answer

It regulates dental waterline quality

Answer

It governs patient treatment protocols

Question 6

A new dental assistant asks why standard precautions are used on every patient, even those who appear healthy. The best explanation is:

Accepted Answer

Many infectious diseases are asymptomatic, and infected individuals may not know or disclose their status

Answer

It is required for insurance purposes

Answer

Healthy-appearing patients have no infections

Answer

It is only done when the dentist requests it