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

Pathogen → Host → Disease → Treatment → Recovery → Immunity

Answer

Exposure → Infection → Incubation → Symptoms → Diagnosis → Treatment

Answer

Bacteria → Virus → Fungi → Parasite → Vector → Environment

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

Needlestick or sharps injury

Answer

Sexual contact with an infected person

Answer

Perinatal transmission from mother to newborn

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

Only when gloves are visibly torn or soiled

Answer

Once at the beginning and once at the end of a shift

Answer

Only after performing invasive procedures

Question 4

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

Accepted Answer

Hepatitis A

Answer

Hepatitis B

Answer

Hepatitis C

Answer

Hepatitis D

Question 5

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

Accepted Answer

Sterilization

Answer

Disinfection

Answer

Sanitization

Answer

Decontamination

Question 6

Immediately after sustaining a needlestick injury from a potentially infectious needle, a medical assistant should FIRST:

Accepted Answer

Wash the wound thoroughly with soap and water and report the exposure immediately

Answer

Apply a tourniquet above the wound and wait for a supervisor

Answer

Apply iodine directly to the wound and document it the following week

Answer

Squeeze the wound to promote bleeding and apply a bandage without reporting

Question 7

Standard precautions in healthcare are best described as:

Accepted Answer

A set of precautions applied to all patients regardless of diagnosis to prevent transmission of infectious agents

Answer

Infection control measures used only for patients confirmed to have an infectious disease

Answer

Precautions required only in surgical suites and intensive care units

Answer

Measures used only when handling blood and excluding all other body fluids