CNA Chapter 3 Exam
Expected Questions and
Answers (Verified
Answers)
1. Which of the following is the primary goal of infection control?
A. To cure infections
B. To prevent the spread of infection
C. To treat illness
D. To identify microorganisms
Answer: B
2. Microorganisms are best described as:
A. Large visible parasites
B. Tiny living organisms that may cause disease
C. Dead cells
D. Chemicals in the body
Answer: B
3. Which of the following is an example of a pathogen?
A. Red blood cell
B. Vitamin
C. Bacterium
D. Hormone
Answer: C
,4. The chain of infection includes all of the following except:
A. Infectious agent
B. Host
C. Medication
D. Mode of transmission
Answer: C
5. The person who is most at risk for getting an infection is called the:
A. Reservoir
B. Vector
C. Host
D. Carrier
Answer: C
6. Which action is the single most important way to prevent the spread of infection?
A. Wearing gloves
B. Proper handwashing
C. Taking antibiotics
D. Using hand lotion
Answer: B
7. When should a CNA wash their hands?
A. Before and after patient contact
B. After removing gloves
C. After contact with bodily fluids
D. All of the above
Answer: D
8. Which of the following is a sign of infection?
A. Normal temperature
B. Redness and swelling
, C. Clear skin
D. Increased appetite
Answer: B
9. Standard precautions are used:
A. Only for patients with known infections
B. Only in hospitals
C. For all patients
D. Only during outbreaks
Answer: C
10. Which body fluid does NOT require standard precautions?
A. Blood
B. Urine
C. Sweat (without blood)
D. Vomit
Answer: C
11. Gloves should be worn when:
A. Feeding a patient
B. Making a bed
C. Contact with blood or body fluids is expected
D. Talking to a patient
Answer: C
12. Personal protective equipment (PPE) includes:
A. Gloves and gowns
B. Masks and goggles
C. Face shields
D. All of the above
Answer: D
Expected Questions and
Answers (Verified
Answers)
1. Which of the following is the primary goal of infection control?
A. To cure infections
B. To prevent the spread of infection
C. To treat illness
D. To identify microorganisms
Answer: B
2. Microorganisms are best described as:
A. Large visible parasites
B. Tiny living organisms that may cause disease
C. Dead cells
D. Chemicals in the body
Answer: B
3. Which of the following is an example of a pathogen?
A. Red blood cell
B. Vitamin
C. Bacterium
D. Hormone
Answer: C
,4. The chain of infection includes all of the following except:
A. Infectious agent
B. Host
C. Medication
D. Mode of transmission
Answer: C
5. The person who is most at risk for getting an infection is called the:
A. Reservoir
B. Vector
C. Host
D. Carrier
Answer: C
6. Which action is the single most important way to prevent the spread of infection?
A. Wearing gloves
B. Proper handwashing
C. Taking antibiotics
D. Using hand lotion
Answer: B
7. When should a CNA wash their hands?
A. Before and after patient contact
B. After removing gloves
C. After contact with bodily fluids
D. All of the above
Answer: D
8. Which of the following is a sign of infection?
A. Normal temperature
B. Redness and swelling
, C. Clear skin
D. Increased appetite
Answer: B
9. Standard precautions are used:
A. Only for patients with known infections
B. Only in hospitals
C. For all patients
D. Only during outbreaks
Answer: C
10. Which body fluid does NOT require standard precautions?
A. Blood
B. Urine
C. Sweat (without blood)
D. Vomit
Answer: C
11. Gloves should be worn when:
A. Feeding a patient
B. Making a bed
C. Contact with blood or body fluids is expected
D. Talking to a patient
Answer: C
12. Personal protective equipment (PPE) includes:
A. Gloves and gowns
B. Masks and goggles
C. Face shields
D. All of the above
Answer: D
