CNT Clean Needle Technique Exam A + B
2026/2027 Comprehensive Examination
EXAM A
Section 1: Multiple Choice (50 Questions)
Select the best answer for each question.
Infection Control & Microbiology
1. What is the primary purpose of Clean Needle Technique (CNT)?
A) To increase the speed of acupuncture treatments
B) To prevent the transmission of infectious diseases during acupuncture practice
C) To reduce the cost of acupuncture supplies
D) To standardize needle sizes across practitioners
Answer: B
2. Which of the following is the correct order of the "Chain of Infection"?
A) Infectious agent → Reservoir → Portal of exit → Mode of transmission → Portal of entry →
Susceptible host
B) Susceptible host → Infectious agent → Reservoir → Portal of exit → Portal of entry → Mode of
transmission
C) Reservoir → Infectious agent → Portal of entry → Portal of exit → Mode of transmission →
Susceptible host
D) Mode of transmission → Portal of exit → Reservoir → Infectious agent → Portal of entry →
Susceptible host
Answer: A
,3. Standard Precautions are applied to:
A) Only patients known to have infectious diseases
B) Only patients with visible blood or wounds
C) All patients regardless of their diagnosis or presumed infection status
D) Only immunocompromised patients
Answer: C
4. Which of the following organisms is of greatest concern regarding bloodborne pathogen transmission
in acupuncture?
A) Staphylococcus aureus
B) Hepatitis B virus (HBV)
C) Escherichia coli
D) Candida albicans
Answer: B
5. Hepatitis B virus (HBV) can survive on environmental surfaces at room temperature for at least:
A) 30 minutes
B) 2 hours
C) 7 days
D) 30 days
Answer: C
6. Which bloodborne pathogen has the highest risk of transmission from a single needlestick injury?
A) HIV
,B) Hepatitis C virus (HCV)
C) Hepatitis B virus (HBV)
D) Hepatitis D virus (HDV)
Answer: C
7. The approximate risk of HBV transmission from a needlestick exposure to an HBeAg-positive source is:
A) 0.3%
B) 1.8%
C) 6-30%
D) 50-75%
Answer: C
8. The approximate risk of HIV transmission from a percutaneous needlestick exposure is:
A) 0.3%
B) 3%
C) 10%
D) 30%
Answer: A
9. Which of the following is NOT a bloodborne pathogen?
A) Hepatitis B virus
B) Human Immunodeficiency Virus
C) Mycobacterium tuberculosis
D) Hepatitis C virus
Answer: C
, 10. Prions are:
A) Easily destroyed by standard autoclaving
B) Infectious proteins that are extremely resistant to conventional sterilization methods
C) A type of bacteria found in contaminated needles
D) Viruses that cause hepatitis
Answer: B
Hand Hygiene
11. According to CNT guidelines, handwashing should last a minimum of:
A) 5 seconds
B) 10 seconds
C) 15-20 seconds
D) 60 seconds
Answer: C
12. When should an acupuncturist perform hand hygiene?
A) Only before needle insertion
B) Only after removing needles
C) Before and after each patient contact, after removing gloves, and after contact with contaminated
surfaces
D) Only when hands are visibly soiled
Answer: C
13. Alcohol-based hand sanitizers are effective against all of the following EXCEPT:
A) Most bacteria
2026/2027 Comprehensive Examination
EXAM A
Section 1: Multiple Choice (50 Questions)
Select the best answer for each question.
Infection Control & Microbiology
1. What is the primary purpose of Clean Needle Technique (CNT)?
A) To increase the speed of acupuncture treatments
B) To prevent the transmission of infectious diseases during acupuncture practice
C) To reduce the cost of acupuncture supplies
D) To standardize needle sizes across practitioners
Answer: B
2. Which of the following is the correct order of the "Chain of Infection"?
A) Infectious agent → Reservoir → Portal of exit → Mode of transmission → Portal of entry →
Susceptible host
B) Susceptible host → Infectious agent → Reservoir → Portal of exit → Portal of entry → Mode of
transmission
C) Reservoir → Infectious agent → Portal of entry → Portal of exit → Mode of transmission →
Susceptible host
D) Mode of transmission → Portal of exit → Reservoir → Infectious agent → Portal of entry →
Susceptible host
Answer: A
,3. Standard Precautions are applied to:
A) Only patients known to have infectious diseases
B) Only patients with visible blood or wounds
C) All patients regardless of their diagnosis or presumed infection status
D) Only immunocompromised patients
Answer: C
4. Which of the following organisms is of greatest concern regarding bloodborne pathogen transmission
in acupuncture?
A) Staphylococcus aureus
B) Hepatitis B virus (HBV)
C) Escherichia coli
D) Candida albicans
Answer: B
5. Hepatitis B virus (HBV) can survive on environmental surfaces at room temperature for at least:
A) 30 minutes
B) 2 hours
C) 7 days
D) 30 days
Answer: C
6. Which bloodborne pathogen has the highest risk of transmission from a single needlestick injury?
A) HIV
,B) Hepatitis C virus (HCV)
C) Hepatitis B virus (HBV)
D) Hepatitis D virus (HDV)
Answer: C
7. The approximate risk of HBV transmission from a needlestick exposure to an HBeAg-positive source is:
A) 0.3%
B) 1.8%
C) 6-30%
D) 50-75%
Answer: C
8. The approximate risk of HIV transmission from a percutaneous needlestick exposure is:
A) 0.3%
B) 3%
C) 10%
D) 30%
Answer: A
9. Which of the following is NOT a bloodborne pathogen?
A) Hepatitis B virus
B) Human Immunodeficiency Virus
C) Mycobacterium tuberculosis
D) Hepatitis C virus
Answer: C
, 10. Prions are:
A) Easily destroyed by standard autoclaving
B) Infectious proteins that are extremely resistant to conventional sterilization methods
C) A type of bacteria found in contaminated needles
D) Viruses that cause hepatitis
Answer: B
Hand Hygiene
11. According to CNT guidelines, handwashing should last a minimum of:
A) 5 seconds
B) 10 seconds
C) 15-20 seconds
D) 60 seconds
Answer: C
12. When should an acupuncturist perform hand hygiene?
A) Only before needle insertion
B) Only after removing needles
C) Before and after each patient contact, after removing gloves, and after contact with contaminated
surfaces
D) Only when hands are visibly soiled
Answer: C
13. Alcohol-based hand sanitizers are effective against all of the following EXCEPT:
A) Most bacteria