Biosafety Levels Test | Questions with
Answers Verified 100% Correct
occupational exposure - ✔✔An ____________ ________ is contact with infected material
through :
■ needlestick or cut with contaminated sharp object
■ cuts / breaks in skin
■ mucous membranes ( eyes , nose , mouth )
N/A - ✔✔Bloodborne Diseases are NOT transmitted through :
■ Kissing or hugging
■ Sneezing or coughing
■ Food or water
■ Sharing eating utensils , cups , etc.
■ Casual contact
■ Saliva , tears , perspiration , urine , feces ( when there is no blood present )
N/A - ✔✔How is HIV Transmitted ?
■ Blood and body fluids
■ IV drug use
■ vaginal or anal intercourse mother to child in utero
■ Rate of seroconversion after needlestick exposure to infective material from HIV + person is
0.3 % or about 1 in 300 .
■ HIV in high concentration during period prior to antibody development .
■ Much less infective than HBV , HCV , Herpes
N/A - ✔✔Factors associated with HIV transmission in healthcare :
,■ Deep injury
■ Device visibly contaminated with source patient's blood
■ Procedures involving a needle placed directly in a vein or artery
■ Terminal illness in source patient
■ No zidovudine ( AZT ) prophylaxis
Hepatitis B Virus - ✔✔Inflammation of the liver- most common bloodborne disease
28-160 - ✔✔Hepatitis B Virus
■ Symptoms range from flu - like to none at all
■ No symptoms - person can still be infectious and can spread the disease
■ Incubation period from __-___ days
■ Symptoms may include :
■ loss of appetite
■ fatigue
■ fever
■ possible jaundice and dark urine
HBV - ✔✔___ is a much greater risk on the job than HIV , especially if you are not
vaccinated .
N/A - ✔✔Fluids that pose risk of infection :
■ blood and blood products
■ body fluids containing visible blood
■ semen and vaginal secretions
■ breast milk
, - contaminated
- splashes
- broken
- human - ✔✔How can Hepatitis B be transmitted in the workplace ?
■ Needlesticks or cuts with sharp , ____________ objects
■ ________ to eyes / nose / mouth
■ contact with ______ skin
■ _____ bites that break the skin
12,000 - ✔✔Hepatitis B in Healthcare Workers ( HCWs ) in the U.S.
■ Prior to vaccination , it was estimated that more than _______ HCWs were occupationally
infected with HBV annually , resulting in 250 deaths .
- 1983
- 1995 - ✔✔Hepatitis B in Healthcare Workers ( HCWs ) in the U.S.
■ In what year does the Incidence of HBV among HCWs was 3 times higher than in the
general population ?
■ By year ____ it was 5 times lower .
preserving - ✔✔Hepatitis B in Healthcare Workers ( HCWs ) in the U.S.
- Advent of HBV vaccine was a major advance in _________ health and lives of HCWs.
- 3 shots
- 6 months - ✔✔Hepatitis B Vaccination
■ Administered in ___ shots over ___ months .
Engerix - ✔✔Hepatitis B Vaccination
Answers Verified 100% Correct
occupational exposure - ✔✔An ____________ ________ is contact with infected material
through :
■ needlestick or cut with contaminated sharp object
■ cuts / breaks in skin
■ mucous membranes ( eyes , nose , mouth )
N/A - ✔✔Bloodborne Diseases are NOT transmitted through :
■ Kissing or hugging
■ Sneezing or coughing
■ Food or water
■ Sharing eating utensils , cups , etc.
■ Casual contact
■ Saliva , tears , perspiration , urine , feces ( when there is no blood present )
N/A - ✔✔How is HIV Transmitted ?
■ Blood and body fluids
■ IV drug use
■ vaginal or anal intercourse mother to child in utero
■ Rate of seroconversion after needlestick exposure to infective material from HIV + person is
0.3 % or about 1 in 300 .
■ HIV in high concentration during period prior to antibody development .
■ Much less infective than HBV , HCV , Herpes
N/A - ✔✔Factors associated with HIV transmission in healthcare :
,■ Deep injury
■ Device visibly contaminated with source patient's blood
■ Procedures involving a needle placed directly in a vein or artery
■ Terminal illness in source patient
■ No zidovudine ( AZT ) prophylaxis
Hepatitis B Virus - ✔✔Inflammation of the liver- most common bloodborne disease
28-160 - ✔✔Hepatitis B Virus
■ Symptoms range from flu - like to none at all
■ No symptoms - person can still be infectious and can spread the disease
■ Incubation period from __-___ days
■ Symptoms may include :
■ loss of appetite
■ fatigue
■ fever
■ possible jaundice and dark urine
HBV - ✔✔___ is a much greater risk on the job than HIV , especially if you are not
vaccinated .
N/A - ✔✔Fluids that pose risk of infection :
■ blood and blood products
■ body fluids containing visible blood
■ semen and vaginal secretions
■ breast milk
, - contaminated
- splashes
- broken
- human - ✔✔How can Hepatitis B be transmitted in the workplace ?
■ Needlesticks or cuts with sharp , ____________ objects
■ ________ to eyes / nose / mouth
■ contact with ______ skin
■ _____ bites that break the skin
12,000 - ✔✔Hepatitis B in Healthcare Workers ( HCWs ) in the U.S.
■ Prior to vaccination , it was estimated that more than _______ HCWs were occupationally
infected with HBV annually , resulting in 250 deaths .
- 1983
- 1995 - ✔✔Hepatitis B in Healthcare Workers ( HCWs ) in the U.S.
■ In what year does the Incidence of HBV among HCWs was 3 times higher than in the
general population ?
■ By year ____ it was 5 times lower .
preserving - ✔✔Hepatitis B in Healthcare Workers ( HCWs ) in the U.S.
- Advent of HBV vaccine was a major advance in _________ health and lives of HCWs.
- 3 shots
- 6 months - ✔✔Hepatitis B Vaccination
■ Administered in ___ shots over ___ months .
Engerix - ✔✔Hepatitis B Vaccination