CNA Knowledge Exam #1

While taking blood pressure, the health assistant hears the first sound when the needle on the aneroid blood pressure gauge is at 130 and the final sound at 92. The 130 reading represents what pressure?

• diastolic

• systolic

• mean arterial

• pulse pressure

Answer explanation

The first sound heard during blood pressure measurement indicates the systolic pressure, which is the pressure in the arteries when the heart beats. Therefore, the 130 reading represents the systolic pressure.

What is MRSA (Methicillin-Resistant Staphylococcus Aureus)?

• a viral infection that affects the respiratory system

• an infectious disease caused by bacteria that are resistant to many antibiotics

• a type of skin condition caused by fungi

• a chronic illness caused by a genetic disorder

Answer explanation

MRSA is an infectious disease caused by Staphylococcus aureus bacteria that have developed resistance to many antibiotics, making it difficult to treat. This distinguishes it from other conditions listed in the answer choices.

A respiration is one inhalation and one_________.

• exhalation

• expiration

• inspiration

• breath hold

Answer explanation

A respiration consists of one inhalation and one exhalation. Inhalation is the intake of air, while exhalation is the release of air. Therefore, the correct answer is 'exhalation'.

What should be the patient's position to receive an enema?

• Prone

• Supine

• Fowler's

• Left Sim's

What is assault?

• A physical attack on someone

• When a person feels fearful that he will be touched without his permission

• A verbal threat without physical contact

• An act of self-defense against an attacker

Answer explanation

Assault is defined as the fear of being touched without permission, which aligns with the correct answer choice. It emphasizes the psychological aspect of feeling threatened, rather than the physical act of touching.

For a 12-hour shift, how frequently do you reposition immobile patients?

• Every hour

• Every 2 hours

• Every 4 hours

• Every 6 hours

NA should provide oral hygiene to an unconscious resident at least EVERY

• 1 hour

• 2 hours

• 3 hours

• 4 hours

What is PHI?

• Personal Health Information

• Protected Health Information

• Public Health Information

• Private Health Information

Answer explanation

PHI stands for Protected Health Information, which refers to any information about health status, healthcare, or payment for healthcare that can be linked to an individual. It is crucial for maintaining patient privacy.

Urinary Incontinence puts resident at risk for

• Pressure Ulcers

• Dehydration

• Urinary Tract Infections

• Constipation

Answer explanation

Urinary incontinence can lead to skin moisture and friction, increasing the risk of pressure ulcers. While UTIs and dehydration are concerns, pressure ulcers are the most direct risk associated with incontinence.

A patient with hemiplegia is:

• Paralyzed on one side of the body

• Experiencing weakness in both legs

• Unable to move both arms

• Suffering from a headache

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.