Hand hygiene
Water lines should be run for what length of time at the beginning of each clinic session?
2 minutes
10.All of the following statements about antiseptic handwash are correct EXCEPT which one?
The use of antimicrobial-impregnated wipes (i.e., towelettes) is an acceptable alternative to antiseptic handwash.
16.All of the following statements related to ICD are correct EXCEPT which one?
To minimize the likelihood of ICD, washing hands with soap and water after each use of alcohol-based handrub is highly recommended.
14.All of the following statements are correct with respect to selecting and/or handling plain (non-antimicrobial) or antimicrobial soaps, or an alcohol-based handrub EXCEPT which one?
To minimize the risk of product contamination, always "top off" partially empty soap dispensers at the end of each day.
20.Oral healthcare facilities are accountable for establishing a system in which oral HCP have the knowledge, competence, time, and tools to practice hand hygiene; and oral HCP have the duty to perform hand hygiene - perfectly and every time.
True
3.Hand hygiene products and procedures can decrease the barrier function of skin by _______________.
extracting skin lipids chemically inducing irritation physically stripping the stratum corneum *All of the above.
2.Intercellular lipids, which form the only continuous domain of the skin essential for a complete barrier function, e.g., to minimize microbial invasion from the environment, are a basic component of the _______________.
stratum corneum
19.Which of the following statements are correct with respect to the Infection Prevention Checklist for Dental Settings: Basic Expectations for Safe Care published by the CDC in 2016?
A. Section I.5 of the checklist relates to institutional hand hygiene policies and practices. B. Section II.1 is an evaluation tool to monitor the compliance of oral HCP with hand hygiene practices that fulfill expectations for dental healthcare settings. C. The checklist provides a mechanism to document the competence of oral HCP to perform hand hygiene following each training cycle. *D. All of the above.
6.All of the following statements are correct with respect to the wearing of gloves in healthcare settings EXCEPT which one?
A. To prevent or reduce the risk of occupational exposure, the standard of care mandates that HCP wear gloves. B. Bacterial flora colonizing patients have been recovered from the hands of HCP who wore gloves during patient contact. C. The acquisition of hepatitis B, hepatitis C, and herpes simplex viruses (HSV-1) by HCP wearing gloves has been documented. *D. All of the above
12.All of the following statements regarding surgical hand antisepsis are correct EXCEPT which one?
A brush or sponge must be used when performing surgical hand antisepsis to adequately reduce bacterial counts on hands.
Of the six essential links in the chain of disease transmission, hands may serve as which of the three?
A reservoir, a means of transmission, and an infectious agent
4.Which of the following statements is correct in relation to homeostatic control and the rate of keratinocyte proliferation?
A. Under normal conditions, differentiated keratinocytes require 2 weeks to exit the nucleated compartment and an additional 2 weeks to move through the stratum corneum. B. When stimulated by injury or infection, keratinocytes have the capacity for increased rates of proliferation and maturation, and 50 to 60% of barrier recovery typically occurs within 6 hours. C. When stimulated by injury or infection, keratinocytes have the capacity for increased rates of proliferation and maturation, and complete normalization of barrier function occurs in 5 to 6 days. *D. All of the above.
13.Before making purchasing decisions related to hand hygiene products _______________.
A. evaluate the dispenser system to make sure that it functions reliably B. confirm that the dispenser delivers an appropriate volume of the product C. confirm that the dispenser for alcohol-based formulations is approved for flammable materials *D. All of the above
7.Hand hygiene refers to _______________.
A. handwashing, i.e., washing hands with plain soap and water B. hand antisepsis, i.e., antiseptic hand wash or antiseptic handrub C. surgical hand antisepsis *D. All of the above.
18.Compliance with hand hygiene guidelines is substantially improved when a multidimensional strategy includes _______________.
A. introduction of alcohol-based handrub B. educational and behavioral initiatives C. institutional verification of compliance and feedback *D. All of the above.
17.All of the following statements related to allergic contact dermatitis (ACD) are correct EXCEPT which one?
ACD associated with alcohol-based handrub or various additives present in certain formulations is quite common
Who should wear protective eyewear?
All dental personnel and the patient should wear protective eyewear
When should standard precautions be practiced?
At all times for all patients
A. Eye protection for the dental team members and patients is necessary to prevent physical injuries and infections of the eyes. B. Removal of a mask in the treatment room immediately following the use of aerosol-producing procedures permits direct exposure to airborne organisms.
Both True
A. Handwashing is considered the most important single procedure for the prevention of cross-contamination. B. Hands should be washed before gloving and after glove removal.
Both True
Utility or heavy-duty gloves are used for which of the following procedures?
Clean-up and se-up of the dental operatory and processing of contaminated dental instruments
8.All of the following statements are correct with respect to detergents EXCEPT which one
Detergent formulations used in healthcare settings should have a broad antibacterial spectrum, be fast acting, and should have persistent or residual activity.
When should the face mask be changed?
For each patient, when it becomes wet, and at least every hour
1.All of the following statements regarding hand hygiene in healthcare settings are true EXCEPT which one?
Hand hygiene-related competency following each training cycle does not need to be documented
Which standard precautions may be used to inactivate an infectious agent and break the chain of disease transmission?
Handwashing and disinfection
Which types of hepatitis have immunizations available?
Hepatitis A and B
Which types of hepatitis are spread through blood transmission?
Hepatits B and C
15.All of the following statements are correct with respect to irritant contact dermatitis (ICD) EXCEPT which one?
ICD is an immunologically mediated dermatitis.
Which of the following is not true concerning a clinicians hair while treating patients?
Longer-length hair should be held within a head cover
Chemicals that may break down the integrity of latex gloves include all of the following except one. Which one is the exception?
Nitrile
Which of the following is not true concerning a written exposure control plan?
Once completed, it will no need to be revised
What is the purpose of wiping the dental operator twice with disinfectant?
Once to clean debris from the surfaces and once to disinfect the surfaces
5.All of the following statement in relation to the normal skin flora and the acquisition and transmission of healthcare-associated pathogens are correct EXCEPT which one?
Organisms are transferred in much larger numbers from dry hands than from hands that are wet.
Which of the following would not be correct procedure after an exposure incident?
Squeeze the wound to express as much blood as possible
What is it called when all human blood and certain body fluids are treated as if known to be infectious with blood-borne pathogens?
Standard Precautions
9.All of the following statements about handwashing are correct EXCEPT which one?
The CDC and the WHO recommend handwashing for routine hand hygiene in clinical situations when the hands are not visibly soiled.
11.All of the following statements about antiseptic handrub are correct EXCEPT which one?
The FDA classifies ethanol (60 to 95%) as a Category II antiseptic agent.
