Wilkins Chapter 5: Infection Control / Transmissible Diseases Quiz

Which of the following is an advantage of sterilization by steam under pressure?

A.Most economical

B.Effective for small metal instruments enclosed in special containers

C.Will not corrode carbon steel instruments

D.Suitable for oils or powders

Most economical

Which of the following would not be correct procedure after an exposure incident?

A.Immediately wash the wound with soap and water

B.Report to designated official and complete an incident report as required

C.Squeeze the wound to express as much blood as possible

D.Follow the required predetermined, posted procedures of the clinic, institution, or other workplace

Squeeze the wound to express as much blood as possible

Which types of hepatitis have immunizations available?

Hepatitis A and B

Which of the following is the least preferred method of precleaning instruments before sterilization?

A.All precleaning methods are equally preferable.

B.Manual cleaning

C.Washer/thermal disinfector

D.Ultrasonic processing

Manual cleaning

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.

Statement A is correct and statement B is correct

Which types of hepatitis are spread through blood transmission?

Hepatitis B and C

Is the statement true or false? Blood, suctioned fluids, or other liquid waste may be carefully poured into a closed container and placed into the biohazard trash in compliance with applicable local regulations.

False

A. The correct indication for a routine handwash is before and after treating each patient.B. Also the correct indication for a routine handwash is after leaving the dental operatory.

Statement A is true; statement B is false.

Cross-contamination refers to the spread of microorganisms from one source to another; this may include which of the following?

A.Inanimate object to person only

B.Person to person only

C.Person to inanimate object only

D.Person to inanimate object and inanimate object to person only

E.Person to person, person to inanimate object, and inanimate object to person

Person to person, person to inanimate object, and inanimate object to person

In which case is deferral of dental treatment illegal?

When a patient states that he or she has HIV on the health history

Which of the following is a biologic contaminant that occurs in solid or liquid form, is invisible, and may remain suspended in the air for long periods?

A.Reservoir

B.Aerosol

C.Pathogen

D.Spatter

Aerosol

Hepatitis is inflammation of which organ?

Liver

A. HIV is an attack on the body's immune system. B. An AIDS defining characteristic is CD4+ T Lymphocyte counts being below 500.

Statement A is correct and statement B is incorrect.

Which of the following is an autoclave?

A.It is a chemical vapor sterilizer.

B.It is sterilization achieved by steam under pressure.

C.It is a washer/thermal disinfector.

D.It is a dry heat sterilizer.

It is sterilization achieved by steam under pressure

The correct glove to choose when providing dental hygiene care is one which:

is impervious to materials routinely used during clinical procedures.

Which link in the chain of infection is the site where the invading organisms live and multiply?

Reservoir

A. Tuberculosis is a drug-resistant illness. B. Drug resistance may mean it is necessary to prescribe several drugs to kill all the microorganisms.

Statement A is correct and statement B is correct.

Which two infections are caused by the varicella-zoster virus?

Chickenpox and shingles

A. High-level disinfectants inactivate spores and all forms of bacteria, fungi, and viruses. B. Intermediate-level disinfectants inactivate all forms of microorganisms but do not destroy spores.

Statement A is correct and statement B is correct

The herpes virus remains latent in the nerves after the initial infection and may reoccur when triggered by which of the following?

A.Neither stress nor dental trauma

B.Dental treatment (trauma) only

C.Stress only

D.Stress and dental trauma

Stress and dental trauma

Which standard precaution or precautions may be used to inactivate an infectious agent and break the chain of disease transmission?

Handwashing and disinfection

Which of the following is the best recommendation for preparation of disinfectants?

A.Combine two solutions to active disinfectant solution and keep for 30 days

B.Each clinic day prepare new solution with warm tap water

C.Take previous solution and add new solution to it to make up enough for the day

D.At the beginning of each week dispose of previous week's solution and prepare new solution

E.Follow manufacturer's directions

Follow manufacturer's directions

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

Which of the following is the primary transmission route for tuberculosis (TB)?

A.Mucous membranes

B.Inhalation

C.Inoculation (blood to blood)

D.Vector

inhalation

Herpes simplex I, also known as HHV-1 or HSV-1, can occur in which of the following areas?

A.Eyes and fingers only

B.Lips and genitals only

C.Lips, fingers, and eyes

D.Lips only

E.Genitals only

Lips, fingers, and eyes

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.

Statement A is correct and statement B is correct.

When should standard precautions be practiced?

All times for all patients

Which of the following is herpetic whitlow?

A.Hepatitis that has settled in the lungs

B.Herpes of the eye

C.Shingles

D.Herpes of the finger

herpes of the finger

Which type of hepatitis is present only when the person has hepatitis B also?

Hepatitis D

A. Preprocedural rinsing and other oral hygiene measures help to prevent the spread of communicable diseases. B. Preprocedural rinsing and other oral hygiene measures decrease the number of microorganisms in the oral cavity.

Statement A is correct and statement B is correct.