Chapter 5 & 6

Question 1

What is the difference between Transient flora bacteria and resident bacteria?

Answer 1

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.

Question 2

Which of the following is NOT a basic immunization recommended for all healthcare workers?

Answer 2

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.

Question 3

When should the face mask be changed?

Answer 3

For each patient, when it becomes wet, and at least every hour

Question 4

Which individuals are at a high risk of developing a latex allergy?

Answer 4

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.

Question 5

Factors to teach patient about exposure control?

Answer 5

• Importance of medical history for patient and clinician
• Necessity for personal protective equipment
• Importance of eye protection during clinical procedures
• Significance of handwashing

Question 6

Why do we, as clinicians, offer our patients a pre rinse before treatment?

Answer 6

the use of preprocedural rinsing and toothbrushing has been shown to lower the numbers of oral bacteria

Question 7

When should we avoid performing procedures on a patient?

Answer 7

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

Question 8

What is an autoclave?

Answer 8

an autoclave is a sterilizer that sterilizes using steam under pressure.

Question 9

AIDS is distinguished from HIV when the CD4 lymphocyte count falls below_____?

Answer 9

200

Question 10

Which sterilization technique requires a long exposure time and involves slow, uneven penetration?

Answer 10

Dry Heat

Question 11

On the universal label for hazardous material, the hazard warning label should contain which colors?

Answer 11

Orange or red

Question 12

Linear gingival erythema occurs independently of oral hygiene status in the presence of which viral infection?

Answer 12

HIV

Question 13

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?

Answer 13

HIV

Question 14

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

Answer 14

True

Question 15

Herpetic whitlow is a herpes simplex infection that occurs at what location?

Answer 15

Finger nails

Question 16

____________ 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.

Answer 16

Disinfectant

Question 17

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?

Answer 17

High Speed Prevacuum

Question 18

What percentage of chlorhexidine is recommended for a preprocedural rinse?

Answer 18

0.12

Question 19

A properly fitting gown should

Answer 19

be closed at the neck

Question 20

Which of the following properties is incorrect regarding a properly fitting gown?

Answer 20

The gown should have at least one pocket

Question 21

Which of the following materials are least adequate filters of aerosols?

Answer 21

paper, foam, cloth

Question 22

In a busy dental hygiene practice, when can the hygienist avoid routine handwashing?

Answer 22

When an antiseptic hand rub is used

Question 23

A positive Mantoux test must be inspected for redness and induration at the injection site within how many hours after the injection?

Answer 23

48 to 72 hours

Question 24

The process of enabling people to increase control and improve their health through self-care, mutual aid, and the creation of health environment is ____________.

Answer 24

health promotion

Question 25

Subjective data collection includes what?

Answer 25

Perception of health

Question 26

Beneficence is defined as

Answer 26

the act of doing good

Question 27

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.

Answer 27

core values

Question 28

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.

Answer 28

Antimicrobial agent

Question 29

What has nearly eliminated the incidence of herpetic whitlow in dental professionals?

Answer 29

Standard Precautions

Question 30

The EPA (Environmental Protection Agency) primarily regulates which of the following?

Answer 30

chemical agents

Question 31

Which sterilization method requires the highest temperature?

Answer 31

Dry heat oven

Question 32

Attachment loss of 6mm in a period of 6 months would not be unusual for a patient with HIV and what oral manifestation?

Answer 32

Necrotizing ulcerative periodontitis

Question 33

Chickenpox and shingles are both caused by what infectious agent?

Answer 33

VZV

Question 34

What is proper maintenance of unit waterlines>

Answer 34

Flushing for 2 minutes at the beginning of the day, and 30 seconds both before and after each

Question 35

_________________ is the process by which all forms of life, including bacterial spores, are destroyed by physical or chemical means.

Answer 35

Sterilization