APHA Injection Safety & Infection Control 3

Question 1

What is the single most important infection control measure between patients at a vaccine clinic?

Accepted Answer

Performing hand hygiene between each patient

Answer

Changing gloves between each patient

Answer

Changing the examination table paper between each patient

Answer

Disinfecting the countertop between each patient

Question 2

If a vaccine vial's rubber stopper appears cored or damaged, the administrator should:

Accepted Answer

Discard the vial and report the incident to a supervisor

Answer

Continue using the vial if the vaccine appears visually clear

Answer

Filter the vaccine through sterile gauze before drawing the dose

Answer

Transfer the remaining contents to a new sterile vial

Question 3

When administering multiple vaccines simultaneously at the same visit, injection sites should be separated by at least:

Accepted Answer

1 inch (2.5 cm)

Answer

3 inches (7.5 cm)

Answer

0.5 inch (1.25 cm)

Answer

No established minimum distance

Question 4

Which needle gauge and length is standard for intradermal (ID) vaccine administration?

Accepted Answer

27-gauge, 3/8–5/8-inch needle

Answer

18-gauge, 1½-inch needle

Answer

25-gauge, 5/8-inch needle

Answer

21-gauge, 1-inch needle

Question 5

How frequently should surfaces in a vaccine administration area be cleaned and disinfected?

Accepted Answer

Between each patient and at the end of each session

Answer

Only at the end of the day's operations

Answer

Weekly as part of routine facility maintenance

Answer

Only when a visible spill or contamination occurs

Question 6

OSHA's sharps injury log must include all of the following EXCEPT:

Accepted Answer

The name of the patient on whom the device was used

Answer

Type and brand of device involved in the injury

Answer

Department or work area where the injury occurred

Answer

Description of how the incident occurred

Question 7

A vaccine administrator receives a splash of blood to the eye during vaccine preparation. What is the immediate first action?

Accepted Answer

Immediately flush the affected eye with clean water or sterile saline for at least 15 minutes

Answer

Apply antibiotic eye drops and schedule a physician appointment within 24 hours

Answer

Cover the eye and report to the supervisor within 4 hours

Answer

Apply gentle pressure to the eye and proceed to the emergency room within 2 hours