Nursing assistant (CNA) knowledge worksheet with answers

What is a pathogen?

1. AA medicine that kills bacteria
2. BA cleaning solution used to disinfect equipment
3. CA type of protective glove
4. DA microorganism that can cause disease

What does the top number (systolic) of a blood pressure reading measure?

1. AThe pressure in the arteries when the heart rests
2. BThe amount of oxygen carried in the blood
3. CThe pressure in the arteries when the heart contracts
4. DThe number of heartbeats in one minute

Under OSHA rules, how is the hepatitis B vaccine offered to nursing assistants who may be exposed to blood?

1. AOnly after an exposure has happened
2. BOnly if the worker pays for it
3. CBy the employer, free of charge
4. DOnly to workers older than 50

During perineal care, when should the nursing assistant change gloves?

1. AOnly if the gloves tear during care
2. BBefore moving from the soiled area to a clean task
3. COnly at the very end of the shift
4. DOnly if the resident asks the nursing assistant for new gloves

A resident with one weaker leg uses a standard walker. What is the usual walking sequence?

1. APush the walker as far forward as the arms reach, then hurry to catch up
2. BStep with the stronger leg, then the weaker leg, then move the walker
3. CLift the walker and both legs forward at the same time
4. DMove the walker forward, step with the weaker leg, then the stronger leg

Which illness is usually managed with droplet precautions?

1. AInfluenza
2. BTuberculosis
3. CMeasles
4. DA urinary tract infection

During perineal care, a nursing assistant notices that a female resident's perineal area is red and there is a strong-smelling discharge. What should be reported?

1. ANothing, because discharge is normal in older women
2. BA guess about which infection she has, so the nurse can treat it
3. CThe redness, the discharge and its smell, and any discomfort
4. DOnly that perineal care was completed as usual for the shift

A resident has been in a lap belt restraint (ordered) for 2 hours. What should the nursing assistant do?

1. ALeave it on, because it was ordered for the whole shift
2. BRelease it and leave the resident alone without telling anyone
3. CRelease it, reposition the resident, offer the toilet and fluids, and check the skin
4. DTighten it, because the resident has been moving a lot