CNA Knowledge Exam #1

Front

A blood clot in the brain causes:

Back

A stroke

Answer explanation

A blood clot in the brain restricts blood flow, leading to brain cell damage, which is known as a stroke. This condition is critical and distinct from irregular heartbeat, low blood pressure, or heart attack.

Front

Conversion: How many milliliters are in 1 ounce?

Back

30 mL = 1 oz

Answer explanation

1 ounce is equivalent to 30 milliliters. Therefore, the correct conversion is 30 mL = 1 oz, making this the accurate choice among the options provided.

Front

A resident needs to be repositioned but is heavy, and the nurse aide is not sure that she can move the client alone. The nurse aide should...

Back

ask another nurse aide for help

Answer explanation

The nurse aide should ask another nurse aide for help to ensure the safety of both the resident and herself. Attempting to move a heavy client alone can lead to injury.

Front

If the nurse aide discovers fire in a resident’s room, the FIRST thing to do is

Back

remove resident from the room

Answer explanation

The first priority in a fire emergency is to ensure the safety of the resident. Removing the resident from the room prevents harm, while trying to extinguish the fire or calling for help can delay evacuation.

Front

A patient with hemiplegia is:

Back

Paralyzed on one side of the body

Answer explanation

A patient with hemiplegia experiences paralysis on one side of the body, typically due to brain injury or stroke. This distinguishes it from other conditions like paralysis below the waist or memory issues.

Front

When the brain is deprived of oxygen, it can cause brain damage.

Back

True

Answer explanation

True. The brain requires a constant supply of oxygen to function properly. When deprived of oxygen, brain cells can become damaged or die, leading to potential long-term effects on cognitive and physical abilities.

Front

Clean bed linen placed in a resident’s room but NOT used should be

Back

put in the dirty linen container

Answer explanation

Clean bed linen that is not used should be placed in the dirty linen container to maintain hygiene and prevent contamination. Returning it to the linen closet or using it elsewhere is not appropriate.

Front

What is aphasia?

Back

the inability to speak or to speak clearly

Answer explanation

Aphasia is a condition characterized by the inability to speak or to speak clearly. It affects communication abilities, making it difficult for individuals to express themselves verbally.

Front

Anaphylaxis is:

Back

A severe allergic reaction

Answer explanation

Anaphylaxis is a severe allergic reaction that can be life-threatening, characterized by symptoms such as difficulty breathing, swelling, and a rapid drop in blood pressure. It is not a medication or an ingredient.

Front

The patient has the right to refuse care.

Back

True

Answer explanation

True. Patients have the right to refuse care based on their autonomy and informed consent. This principle is fundamental in healthcare ethics.