CNT CLEAN NEEDLE TECHNIQUE
PRACTICE EXAM QUESTIONS AND
VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
1. Which of the following viruses is most likely to be transmitted via a needle-stick injury in a
clinical setting due to its high concentration in blood and environmental stability?
A. Human Immunodeficiency Virus (HIV)
B. Hepatitis E Virus (HEV)
C. Hepatitis A Virus (HAV)
D. Hepatitis B Virus (HBV)
Answer: D
Conceptual Explanation: HBV is highly infectious and can survive on environmental
surfaces for at least 7 days, making it the primary bloodborne pathogen concern in
acupuncture.
2. According to the CDC and CNT guidelines, what is the minimum recommended duration for
vigorous rubbing of hands during handwashing?
A. 5 to 10 seconds
B. 30 to 40 seconds
,C. 10 to 20 seconds
D. 60 seconds
Answer: C
Conceptual Explanation: The CDC recommends scrubbing hands for at least 10 to 20
seconds to effectively remove transient microorganisms.
3. When establishing a clean field, which of the following surfaces is required?
A. A wooden table top
B. Any surface recently wiped with water
C. A sterile surgical drape
D. A clean paper towel on a stable surface
Answer: D
Conceptual Explanation: A clean field is a designated area where equipment is placed; it
requires a clean barrier like a paper towel or field on a stable surface.
4. What is the correct procedure if a needle becomes contaminated before insertion?
A. Discard it in the sharps container and use a new sterile needle
B. Rinse it with sterile water
C. Wipe it with a 70% isopropyl alcohol swab and use it
D. Autoclave the needle immediately
, Answer: A
Conceptual Explanation: Any needle that touches a non-sterile surface or becomes
contaminated must be discarded immediately in a sharps container.
5. Which of the following symptoms is a hallmark sign of a late-stage pneumothorax
following acupuncture on the upper back?
A. Dyspnea and chest pain upon inspiration
B. Increased blood pressure and bradycardia
C. Localized redness and swelling
D. Sharp pain radiating to the lower abdomen
Answer: A
Conceptual Explanation: Pneumothorax symptoms include shortness of breath
(dyspnea), chest pain, and cough, which may be delayed for several hours after treatment.
6. What is the recommended alcohol concentration for cleaning the skin before needle
insertion?
A. 50% isopropyl alcohol
B. 100% ethyl alcohol
C. 90% isopropyl alcohol
D. 70% isopropyl alcohol
Answer: D
PRACTICE EXAM QUESTIONS AND
VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
1. Which of the following viruses is most likely to be transmitted via a needle-stick injury in a
clinical setting due to its high concentration in blood and environmental stability?
A. Human Immunodeficiency Virus (HIV)
B. Hepatitis E Virus (HEV)
C. Hepatitis A Virus (HAV)
D. Hepatitis B Virus (HBV)
Answer: D
Conceptual Explanation: HBV is highly infectious and can survive on environmental
surfaces for at least 7 days, making it the primary bloodborne pathogen concern in
acupuncture.
2. According to the CDC and CNT guidelines, what is the minimum recommended duration for
vigorous rubbing of hands during handwashing?
A. 5 to 10 seconds
B. 30 to 40 seconds
,C. 10 to 20 seconds
D. 60 seconds
Answer: C
Conceptual Explanation: The CDC recommends scrubbing hands for at least 10 to 20
seconds to effectively remove transient microorganisms.
3. When establishing a clean field, which of the following surfaces is required?
A. A wooden table top
B. Any surface recently wiped with water
C. A sterile surgical drape
D. A clean paper towel on a stable surface
Answer: D
Conceptual Explanation: A clean field is a designated area where equipment is placed; it
requires a clean barrier like a paper towel or field on a stable surface.
4. What is the correct procedure if a needle becomes contaminated before insertion?
A. Discard it in the sharps container and use a new sterile needle
B. Rinse it with sterile water
C. Wipe it with a 70% isopropyl alcohol swab and use it
D. Autoclave the needle immediately
, Answer: A
Conceptual Explanation: Any needle that touches a non-sterile surface or becomes
contaminated must be discarded immediately in a sharps container.
5. Which of the following symptoms is a hallmark sign of a late-stage pneumothorax
following acupuncture on the upper back?
A. Dyspnea and chest pain upon inspiration
B. Increased blood pressure and bradycardia
C. Localized redness and swelling
D. Sharp pain radiating to the lower abdomen
Answer: A
Conceptual Explanation: Pneumothorax symptoms include shortness of breath
(dyspnea), chest pain, and cough, which may be delayed for several hours after treatment.
6. What is the recommended alcohol concentration for cleaning the skin before needle
insertion?
A. 50% isopropyl alcohol
B. 100% ethyl alcohol
C. 90% isopropyl alcohol
D. 70% isopropyl alcohol
Answer: D
