SCMA Infection Control and Safety 3

Question 1

Which of the following correctly lists all six components of the chain of infection in order?

Accepted Answer

Infectious agent → Reservoir → Portal of exit → Mode of transmission → Portal of entry → Susceptible host

Answer

The chain of infection has six links: infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host — breaking any link prevents infection spread.

Question 2

Which of the following is NOT a recognized route of transmission for bloodborne pathogens such as HIV and Hepatitis B?

Accepted Answer

Casual contact such as handshaking or hugging

Answer

Bloodborne pathogens like HIV and Hepatitis B are NOT transmitted through casual contact such as handshaking, hugging, or sharing office space; they require direct blood-to-blood or mucous membrane contact.

Question 3

A medical assistant should change gloves and perform hand hygiene during patient care in which of the following situations?

Accepted Answer

Between patients and when moving from a contaminated to a clean body site on the same patient

Answer

Gloves must be changed between patients and when moving from a contaminated body site (e.g., wound) to a clean site on the same patient to prevent cross-contamination.

Question 4

Which hepatitis virus is primarily transmitted via the fecal-oral route through contaminated food or water?

Accepted Answer

Hepatitis A

Answer

Hepatitis A virus (HAV) is transmitted via the fecal-oral route, commonly through contaminated food, water, or close contact with an infected person; it is vaccine-preventable.

Question 5

Which level of microbial control destroys ALL forms of microbial life, including bacterial spores?

Accepted Answer

Sterilization

Answer

Sterilization is the complete elimination or destruction of all microorganisms, including highly resistant bacterial endospores, achieved by autoclaving, dry heat, or chemical sterilants.

Specialty Certified Medical Assistant Practice Test

Specialty Certified Medical Assistant Practice Test

SCMA Infection Control and Safety 3