CALIFORNIA DH LAW AND ETHICS PSI WITH
CORRECT ANSWERS 2025
1. What are the RDH functions without supervision - CORRECT-ANSWERS-
educational services, oral health training and screening, referring patients out, applying
fluoride, pit & fissure sealants in any public health programs administered by the
government, and submitting any insurance or third-party claims
2. What are critical items - CORRECT-ANSWERS- items at high risk for infection if
they are contaminated with any microorganism, including items or devices used to
penetrate soft or hard tissues
3. What are semi-critical items - CORRECT-ANSWERS- instruments, devices that do
not penetrate tissues but come in contact with mucous membranes, non-intact skin or
OPIM
4. What are non-critical items - CORRECT-ANSWERS- instruments, devices,
equipment, or surfaces that come in contact with soil, debris, saliva, blood OPIM, intact
skin, but not oral mucous membranes
5. What are low-level disinfectants - CORRECT-ANSWERS- the least effective
disinfection process, it kills some bacteria, some viruses, and fungi, but not bacterial
spores or Mycobacterium tuberculosis var Bovis. A lab test is used to classify the strength
of the disinfectant
, 6. What are intermediate-level disinfectants - CORRECT-ANSWERS- chemicals that
kill Mycobacterium tuberculosis var Bovis, which indicates human pathogens are also
killed, but do not necessarily kill spores
7. What are high-level disinfectants - CORRECT-ANSWERS- kill some but not all bacterial
spores, mycobacterium tuberculosis var Bovis, bacteria, fungi, and viruses
8. What is cleaning - CORRECT-ANSWERS- the removal of visible soil accomplished
using water with detergents or enzymatic products
9. What is DHCP - CORRECT-ANSWERS- dental healthcare personnel
10. Where do the minimum precautions mandated by Cal/OSHA need to be posted -
CORRECT-ANSWERS- conspicuously in each dental office
11. When must PPE be changed - CORRECT-ANSWERS- it must be changed daily or
between patients, IF they become moist or visibly soiled
12. When are heavy-duty utility gloves used? - CORRECT-ANSWERS- when processing
contaminated sharp instruments, needles or devices
13. When can gloves be washed? - CORRECT-ANSWERS- never
CORRECT ANSWERS 2025
1. What are the RDH functions without supervision - CORRECT-ANSWERS-
educational services, oral health training and screening, referring patients out, applying
fluoride, pit & fissure sealants in any public health programs administered by the
government, and submitting any insurance or third-party claims
2. What are critical items - CORRECT-ANSWERS- items at high risk for infection if
they are contaminated with any microorganism, including items or devices used to
penetrate soft or hard tissues
3. What are semi-critical items - CORRECT-ANSWERS- instruments, devices that do
not penetrate tissues but come in contact with mucous membranes, non-intact skin or
OPIM
4. What are non-critical items - CORRECT-ANSWERS- instruments, devices,
equipment, or surfaces that come in contact with soil, debris, saliva, blood OPIM, intact
skin, but not oral mucous membranes
5. What are low-level disinfectants - CORRECT-ANSWERS- the least effective
disinfection process, it kills some bacteria, some viruses, and fungi, but not bacterial
spores or Mycobacterium tuberculosis var Bovis. A lab test is used to classify the strength
of the disinfectant
, 6. What are intermediate-level disinfectants - CORRECT-ANSWERS- chemicals that
kill Mycobacterium tuberculosis var Bovis, which indicates human pathogens are also
killed, but do not necessarily kill spores
7. What are high-level disinfectants - CORRECT-ANSWERS- kill some but not all bacterial
spores, mycobacterium tuberculosis var Bovis, bacteria, fungi, and viruses
8. What is cleaning - CORRECT-ANSWERS- the removal of visible soil accomplished
using water with detergents or enzymatic products
9. What is DHCP - CORRECT-ANSWERS- dental healthcare personnel
10. Where do the minimum precautions mandated by Cal/OSHA need to be posted -
CORRECT-ANSWERS- conspicuously in each dental office
11. When must PPE be changed - CORRECT-ANSWERS- it must be changed daily or
between patients, IF they become moist or visibly soiled
12. When are heavy-duty utility gloves used? - CORRECT-ANSWERS- when processing
contaminated sharp instruments, needles or devices
13. When can gloves be washed? - CORRECT-ANSWERS- never