mitc
10
qumc

Medical asepsis, or clean technique, includes:
procedures to decrease the number and spread of pathogens in the environment
Correct. Medical asepsis decreases the number and spread of pathogens in the environment.
procedures to completely eliminate the presence of pathogens from objects and areas
Incorrect. The complete elimination of pathogens is surgical asepsis, or sterile technique.
procedures to increase the number of healthy organisms in the environment
Incorrect. Medical asepsis decreases the number and spread of pathogens in the environment.

Which of the following is an example of good handwashing technique?
Scrub hands for at least 2 minutes.
Correct. Good handwashing should last at least 2 minutes.
Keep hands higher than arms.
Incorrect. Keep hands lower than arms and fingertips pointing downward during procedure.
Scrub wrists and forearms up to elbows.
Incorrect. Scrub wrists 1 to 2 inches above the hands.

Sterilization is best defined as:
agents or methods that totally destroy all microorganisms
Correct. Sterilization destroys all microorganisms.
chemical agents that are bacteriostatic
Incorrect. Antiseptics are chemical agents that are bacteriostatic.
agents or methods that destroy most bacteria and viruses
Incorrect. Disinfectants are agents or methods that destroy most bacteria and viruses.

A sterile field is best defined as:
an area that has been designated as free of microorganisms
Correct. A sterile field is an area that has been designated as free of microorganisms.
an area that has been cleaned with an antiseptic
Incorrect. An antiseptic would not kill all the microorganisms.
an area that has been cleaned with a disinfectant
Incorrect. A disinfectant would not kill all the microorganisms.

Which of the following diseases poses the greatest risk to health care workers?
hepatitis B
Correct. Approximately 8,700 infections occur in health care workers every year from contact with infected blood or other infectious materials.
AIDS
Incorrect. Infections by hepatitis B far exceed those of HIV.
tuberculosis
Incorrect. Infections by hepatitis B far exceed those of tuberculosis.

Which of the following statements is true regarding hepatitis B?
It is a blood-borne pathogen.
Correct. Hepatitis B is a blood-borne pathogen.
It cannot be transmitted by sexual contact.
Incorrect. Hepatitis B can be transmitted by sexual contact.
There are no effective vaccinations available against the disease.
Incorrect. Vaccinations are available to prevent hepatitis B.

Which of the following is NOT true about drug-resistant organisms?
They are easily treated by newly developed antibiotics.
Correct. Drug-resistant organisms are very difficult to treat successfully.
Overuse of antibiotics contributes to the problem.
Incorrect. Antibiotics' being used for minor conditions encourages drug-resistant organisms to develop.
Patients' not completing the full course of antibiotics contributes to the problem.
Incorrect. Patients' stopping their antibiotics before completion encourages drug-resistant organisms to develop.

