NHA Module 6: Infection Control and Safety

Which of the following is a direct model of transmission?

• Contact with an infected person

• Contact with a contaminated examination table

• Contact with a tick

• Contact with a pen

In a health care setting, which of the following is the minimum amount of alcohol content that can be used in an alcohol-based sanitizer?

• 40%

• 50%

• 60%

• 90%

According to the CDC, which of the following is the first step a medical assistant should take AFTER exposure to blood?

• Report it to their supervisor

• Receive a medical evalution

• Receive health counseling

• Wash the area with soap and water

When using chemical sterilization, how long do instruments need to be submerged to be considered sterilized?

• 3hrs

• 10hrs

• 8hrs

• 24hrs

OSHA regulations require employers to make which of the following vaccines available at no cost to health care workers?

• Hepatitis A

• Hepatitis B

• Varicella

• Measles, mumps, and rubella (MMR)

A medical assistant is performing aseptic hand washing. How long should the assistant rub their hands vigorously with soap?

• 5-10 seconds

• 10-15 seconds

• 15-20 seconds

• 2 to 3 minutes

Which of the following is the goal of surgical asepsis?

• To reduce the number of micro-organisms

• To eliminate pathogenic micro-organisms

• To try to reduce the risk of contamination

• To prohibit the growth of micro-organisms

How often are health care facilities required to train their staff on guidelines for exposure to bloodborne pathogens?

• Biannually

• Annually

• Every 2 years

• The health care facility can determine when they want to train their staff

Which of the following is a common symptom of contracting an infectious disease?

• Numbness and tingling

• Headache

• Blurry vision

• Difficulty breathing

A healthcare worker is not feeling well and has a fever. In which of the following scenarios can the health care worker resume caring for patients?

• After being fever-free for 48 hours with the help of fever-reducing medication

• After being fever-free for 48 hours without the help of fever-reducing medication

• After being fever-free for 24 hours with the help of fever-reducing medication

• After being fever-free for 24 hours without the help of fever-reducing medication