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Infection Control Exam Practice CDA correctly answered rated A+
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Infection Control Exam Practice CDA1. Which type of herpes virus is normally latent (does not cause disease)
unless the immune system is damaged?
A. herpes simplex I
B. epstein-barr virus
C. cytomegalovirus
D. herpes zoster: C
2. A dental assistant can be exposed to hazardous chemicals in the dental
practice by which routes?
A. Skin
B. Inhalation
C. ingestion
d. All of the above: D
3. hepatitis has multiple blood borne strains that may appear in health
care settings. Which of the following is one of these strains? a. hepatitis A
b. hepatitis E
c. hepatitis PV
d. hepatitis C: D
4. Which of the following is classified as a communicable disease?
a. xerostomia
b. herpes simplex type 1
c. influenza A
d. b and c: D
5. what is the leading cause of death from infectious disease worldwide?
a. H1N1
b. west nile virus
c. tuberculosis
d. malaria: C
6. what is the current treatment for black hairy tongue?
a. there is no treatment it is harmless
b. frequent brushing and tongue scraping to remove excess papillae
c. a 10 day course of antibiotics
d. antiseptic mouthwashes three times per day: A
7. kaposi's sarcoma is a cancer that causes which of the following?
a. red or purple patches of abnormal skin in the mouth or throat
b. yellowish patches in the mouth with visible sores around the border
, Infection Control Exam Practice CDA
c. white specks on the tongue that contain cancer cells
d. black spots on the soft palate and the throat: A
8. oral candidiasis is caused by a fungus, which is considered:
a. an opportunistic infection
b. an infestation of algae-like plaque
c. a spirochete
d. a form of hepatitis: A
9. which of the following is an appropriate armamentarium for placement of
a rubber dam?
a. explorer, ligatures, rubber dam punch, rubber dam forceps, assorted
clamps, and scissors
b. mirror, explorer, plastic instrument, floss, rubber dam forceps with clamps
c. rubber dam punch, dams, dam forceps, wooden wedges, and clamps
d. mirror, rubber dam forceps, floss, gauze, and clamps: A
10. dental workers are exposed to which of the following at a much higher
rate than the general public? a. hepatitis
b. HIV
c. psoriasis
d. legionella: D
11. what is the best way to protect a patient from possible contaminants in
dental unit water?
a. use high volume evacuation during procedures that require high-speed
handpieces
b. place a rubber dam
c. use waterline treatments weekly
d. have a saliva ejector ready to evacuate all excess water during
preparations-: b
12. antimicrobial hand sanitizer must be at least _____ % alcohol to be
effective in killing bacteria commonly found on the hands. a. 20
b. 30
c. 45
d. 60: D
13. what is one significant difference between contact and irritant
dermatitis?
, Infection Control Exam Practice CDA
a. irritant dermatitis is treatable with systemic antibiotics
b. contact dermatitis is caused by an immunologic response to latex use in
the office
c. frequent and thorough hand washing will prevent dermatitis
d. latex gloves are the best prevention against viral dermatitis: b
14. in which quadrant would you find tooth #21 in the Universal Numbering
system?
a. upper right
b. lower right
c. upper left
d. lower left: D
15. what is the primary cause of a rubber dam's failure to prevent internal
contamination?
a. puncture of the dam by a bur or instrument
b. use of non-latex dams
c. too large of a hole punched in relation to the size of the isolated tooth
d. the dam not being stretched tight enough: C
16. where are bacteria most likely to be left behind when performing hand
washing?
a. on the back of the hands
b. in the nail beds
c. at the base of the thumb area
d. none of these: B
17. how often should disposable plastic suction traps be changed in the
dental office?
a. once a week
b. once a month
c. quarterly
d. twice a year: b
18. the "chain of asepsis" begins and ends with which member of the dental
team?
a. the dentist
b. the office manager
c. the hygienist
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