Question: A patient acquires an infection by touching a contaminated door handle. Which mode of transmission best describes this scenario?

droplet transmission

indirect contact transmission

vehicle transmission

direct contact transmission

Answer: indirect contact transmission

Question:

Answer: vehicle transmission

Question: Plague is transmitted through the bite of an infected flea. Which of the following best describes this mode of transmission?

indirect contact transmission

direct contact transmission

vector transmission

vehicle transmission

Answer: vector transmission

Question: The health of the patient

is secondary to the health of co-workers in healthcare settings.

is secondary to the health of the healthcare worker.

should be the primary concern of the healthcare worker.

Answer: should be the primary concern of the healthcare worker.

Question:

Answer: They should perform surgeries and invasive procedures only when absolutely necessary.

Question: If a patient notices a healthcare worker not following suggested precautions,

they should immediately wash their hands.

they should immediately bring it to the attention of the healthcare worker.

they should leave the healthcare facility immediately.

Answer: they should immediately bring it to the attention of the healthcare worker.

Question: Which of the following characteristics of a catheter should be considered, to help minimize the spread of nosocomial infections?

Washable

Long

Single-use

Inexpensive

Reusable

Answer: Single-use

Question:

Answer: Frequent and proper hand washing should be routinely done by patients and by healthcare workers, both prior to and after interaction.

Question: An exotoxin that has the ability to kill or damage host cells is referred to as a(n)

superantigen.

neurotoxin.

A-B toxin.

cytotoxin.

enterotoxin

Answer: cytotoxin.

Question: Which domain of the A-B toxin binds to cell surface receptors on the host cell?

A domain

A-B toxins do not bind to cell surfaces.

B domain

Both the A and B domains have the ability to bind to cell surface receptors.

Answer: B domain