CCHT EXAM QUESTIONS AND ANSWERS (VERIFIED
AND WELL DETAILED ANSWERS GRADED ANSWERS)
LATEST UPDATE 2025/2026
What is an infection? - (ANSWER)An invasion of body tissue by organisms that
are invisible to the eye.
Dialysis surfaces must be disinfected with what solution? - (ANSWER)1:100
bleach solution
Large blood spills over 10ml must be disinfected with what solution? -
(ANSWER)1:10 bleach solution
What is Aseptic technique? - (ANSWER)Practices and procedures performed
under carefully controlled conditions. Minimizing contamination by pathogens.
When sterile meets sterile.. - (ANSWER)It remains sterile
When sterile meets clean.. - (ANSWER)It becomes clean
When sterile or clean meet dirty.. - (ANSWER)It becomes dirty
PPE - (ANSWER)Personal Protective Equipment. Full face shield or mask, eyewear
with full side shield, and fluid-resistant gowns and gloves.
,3 blood borne pathogens that may be found in a dialysis unit -
(ANSWER)Hepatitis B, Hepatitis C, and HIV
What is an exposure incident? - (ANSWER)A bloody/body fluid splash/spray
occurring to the eyes nose or mouth, or non-intact skin.
What steps should you take if you have been exposed to the fluids? -
(ANSWER)Wash/rinse immediately. Report to CM. Seek medical treatment.
What is hepatitis? - (ANSWER)Inflammation of the liver due to various causes
How can the viral form of hepatitis be spread? - (ANSWER)Hep A- via
contaminated food and the oral-fecal route
Hep B & C- via exposure to blood/body fluids
Why are patients with Hep B dialyzed in isolation room? - (ANSWER)Extremely
contagious, lives outside the body for extended periods. (up to 7 days)
Why do we dialyze Hep C patients in the clinical area? - (ANSWER)Not as
contagious as Hep B. HCV is not known to survive very long outside the body
What blood test indicates infection with Hep B? - (ANSWER)HbsAg test for Hep B
antigen, indicates actual viral presence.
, What blood test indicates the presence of immunity against Hep B? -
(ANSWER)HbsAb test for antibodies, indicates immunity against Hep B
Which vaccine provides long-term immunity to Hep B? - (ANSWER)Series of
multiple injections of either Recombivax or Engerix
Positive Tuberculin skin test, or exposure to TB - (ANSWER)Patients with active
TB are contagious.
How is Tuberculosis spread? - (ANSWER)Droplet of nuclei produced from infected
individuals when they cough, sneeze, speak, or sing
How do you prevent TB in a dialysis clinic? - (ANSWER)Patients who have active
TB cannot dialyze in a hemodialysis clinic. 3 consecutive (-) sputum cultures
before returning to the clinic
What is VRE (Vancomycin-resistant enterococci)? - (ANSWER)Gram negative,
round-shaped bacteria that commonly live in the intestinal tract. Can cause
infection anywhere in the body, an resistant to several antibiotics.
What is MRSA (Methicillian-resistant Staphlyococcus Aureus) - (ANSWER)"Staph".
Normally found on the skin or in the nose. Harmless until they enter the body
through a cut or other wound
AND WELL DETAILED ANSWERS GRADED ANSWERS)
LATEST UPDATE 2025/2026
What is an infection? - (ANSWER)An invasion of body tissue by organisms that
are invisible to the eye.
Dialysis surfaces must be disinfected with what solution? - (ANSWER)1:100
bleach solution
Large blood spills over 10ml must be disinfected with what solution? -
(ANSWER)1:10 bleach solution
What is Aseptic technique? - (ANSWER)Practices and procedures performed
under carefully controlled conditions. Minimizing contamination by pathogens.
When sterile meets sterile.. - (ANSWER)It remains sterile
When sterile meets clean.. - (ANSWER)It becomes clean
When sterile or clean meet dirty.. - (ANSWER)It becomes dirty
PPE - (ANSWER)Personal Protective Equipment. Full face shield or mask, eyewear
with full side shield, and fluid-resistant gowns and gloves.
,3 blood borne pathogens that may be found in a dialysis unit -
(ANSWER)Hepatitis B, Hepatitis C, and HIV
What is an exposure incident? - (ANSWER)A bloody/body fluid splash/spray
occurring to the eyes nose or mouth, or non-intact skin.
What steps should you take if you have been exposed to the fluids? -
(ANSWER)Wash/rinse immediately. Report to CM. Seek medical treatment.
What is hepatitis? - (ANSWER)Inflammation of the liver due to various causes
How can the viral form of hepatitis be spread? - (ANSWER)Hep A- via
contaminated food and the oral-fecal route
Hep B & C- via exposure to blood/body fluids
Why are patients with Hep B dialyzed in isolation room? - (ANSWER)Extremely
contagious, lives outside the body for extended periods. (up to 7 days)
Why do we dialyze Hep C patients in the clinical area? - (ANSWER)Not as
contagious as Hep B. HCV is not known to survive very long outside the body
What blood test indicates infection with Hep B? - (ANSWER)HbsAg test for Hep B
antigen, indicates actual viral presence.
, What blood test indicates the presence of immunity against Hep B? -
(ANSWER)HbsAb test for antibodies, indicates immunity against Hep B
Which vaccine provides long-term immunity to Hep B? - (ANSWER)Series of
multiple injections of either Recombivax or Engerix
Positive Tuberculin skin test, or exposure to TB - (ANSWER)Patients with active
TB are contagious.
How is Tuberculosis spread? - (ANSWER)Droplet of nuclei produced from infected
individuals when they cough, sneeze, speak, or sing
How do you prevent TB in a dialysis clinic? - (ANSWER)Patients who have active
TB cannot dialyze in a hemodialysis clinic. 3 consecutive (-) sputum cultures
before returning to the clinic
What is VRE (Vancomycin-resistant enterococci)? - (ANSWER)Gram negative,
round-shaped bacteria that commonly live in the intestinal tract. Can cause
infection anywhere in the body, an resistant to several antibiotics.
What is MRSA (Methicillian-resistant Staphlyococcus Aureus) - (ANSWER)"Staph".
Normally found on the skin or in the nose. Harmless until they enter the body
through a cut or other wound