Chapter 5 & 6 Flashcards
What is the difference between Transient flora bacteria and resident bacteria?
Resident bacteria are bacteria species that live on the human body. These microbes cause no harm and can even help protect the body from disease.
Transient flora is a type of bacteria that is only present in that location for a small time.
Which of the following is NOT a basic immunization recommended for all healthcare workers?
Influenza, hepatitis B, and measles, mumps, rubella, varicella vaccinations are all recommended for healthcare workers. Typhoid fever is only a concern in certain locations, including Mexico, Peru, and India.
When should the face mask be changed?
For each patient, when it becomes wet, and at least every hour
Which individuals are at a high risk of developing a latex allergy?
Individuals at high risk for latex sensitivity have had frequent exposure to latex products; this would include healthcare workers and persons who have had multiple surgeries. Also, persons with certain food allergies such as avocado, banana, kiwi fruit, chestnuts, and papaya are at higher risk for latex allergies.
Factors to teach patient about exposure control?
- Importance of medical history for patient and clinician
- Necessity for personal protective equipment
- Importance of eye protection during clinical procedures
- Significance of handwashing
Why do we, as clinicians, offer our patients a pre rinse before treatment?
the use of preprocedural rinsing and toothbrushing has been shown to lower the numbers of oral bacteria
When should we avoid performing procedures on a patient?
elective procedures for a patient who is suffering from a communicable condition, such as a respiratory infection, or who has an open lesion on or about the lips or oral tissues, for the benefit of all who would be subjected to exposure
What is an autoclave?
an autoclave is a sterilizer that sterilizes using steam under pressure.
AIDS is distinguished from HIV when the CD4 lymphocyte count falls below_____?
200
Which sterilization technique requires a long exposure time and involves slow, uneven penetration?
Dry Heat
On the universal label for hazardous material, the hazard warning label should contain which colors?
Orange or red
Linear gingival erythema occurs independently of oral hygiene status in the presence of which viral infection?
HIV
A patient presents with lineral gingival erythema that has not responded to improved oral hygiene and non-surgical periodontal therapy. The patient should be referred to their medical provider for testing for which virus?
HIV
Herpes virus-positive periodontitis lesions involving CMV, EBV, and other herpes viruses have higher levels of periodontopathic bacteria. Subgingival overgrowth of opportunistic periodontal pathogens can occur and periodontal disease symptoms can be more severe
True
Herpetic whitlow is a herpes simplex infection that occurs at what location?
Finger nails
____________ is an agent that destroys microorganisms, but may not kill bacterial spores. It is usually a chemical, but may be a physical agent such as x rays or ultraviolet light.
Disinfectant
A pump removes the air from the chamber and allows faster penetration of the steam for sterilizing. This describes which of the following autoclave types?
High Speed Prevacuum
What percentage of chlorhexidine is recommended for a preprocedural rinse?
0.12
A properly fitting gown should
be closed at the neck
Which of the following properties is incorrect regarding a properly fitting gown?
The gown should have at least one pocket
Which of the following materials are least adequate filters of aerosols?
paper, foam, cloth
In a busy dental hygiene practice, when can the hygienist avoid routine handwashing?
When an antiseptic hand rub is used
A positive Mantoux test must be inspected for redness and induration at the injection site within how many hours after the injection?
48 to 72 hours
The process of enabling people to increase control and improve their health through self-care, mutual aid, and the creation of health environment is ____________.
health promotion
Subjective data collection includes what?
Perception of health
Beneficence is defined as
the act of doing good
The _________________ of a profession provide a guide to choices or actions by implying a preference for what is deemed to be acceptable in the profession.
core values
A/An _____________________ is a substance that prevents or arrests the growth or action of microorganisms either by inhibiting their activity or by destroying them; this term is used especially for preparations applied topically to living tissue.
Antimicrobial agent
What has nearly eliminated the incidence of herpetic whitlow in dental professionals?
Standard Precautions
The EPA (Environmental Protection Agency) primarily regulates which of the following?
chemical agents
Which sterilization method requires the highest temperature?
Dry heat oven
Attachment loss of 6mm in a period of 6 months would not be unusual for a patient with HIV and what oral manifestation?
Necrotizing ulcerative periodontitis
Chickenpox and shingles are both caused by what infectious agent?
VZV
What is proper maintenance of unit waterlines>
Flushing for 2 minutes at the beginning of the day, and 30 seconds both before and after each
_________________ is the process by which all forms of life, including bacterial spores, are destroyed by physical or chemical means.
Sterilization
