CNT EXAM NEWEST 2025 QUESTIONS
AND CORRECT ANSWERS (VERIFIED
ANSWERS) | CLEAN NEEDLE
TECHNIQUE
What are the 5 types of hepatitis? Correct Answer a, b, c,
d, e
What two Hepatitis viruses are transmitted fecal-orally
Correct Answer A and E
What hepatitis are transmitted by blood or sexual contact?
Correct Answer B, C, D
What hepatitis vaccine should health practitioners get?
Correct Answer Hepatitis B
As a health care worker are you legally required to get the
HBV vaccine? Correct Answer No
Hepatitis A is common infection in conditions of? Correct
Answer Poor sanitation and over crowding
HAV is transmitted through? Correct Answer Fecal
contaminated food and water and contaminated blood on
hands
HAV may spread through? Correct Answer Sexual contact
,Incubation period for HAV is? Correct Answer 15 to 50
days
Average incubation period for HAV Correct Answer 28
days
Are HAV infections a sudden or gradual onset of S&S?
Correct Answer Sudden
How long do HAV S&S last? Correct Answer less than 2
months
S&S of HAV include Correct Answer abdominal
discomfort, loss of appetite, fatigue, nausea, dark urine
and jaundice
How many people have prolonged or replacing course of
illness lasting as long as 6 to 9 months for HAV? Correct
Answer 15 percent
Can people who had HAV be reinfected? Correct Answer
No
Is there a vaccine for HAV and is it routinely
recommended by the CDC for health care workers?
Correct Answer Yes and no
How long can HAV live outside the body? Correct Answer
Months
,How is the HAV killed? Correct Answer By heating to >185
degrees for 1 minute
HBV is mainly spread by Correct Answer blood, blood
products AND semen.
Can HBV cause a lifelong infection? Correct Answer Yes
Ongoing transmission of HBV is found among people who
are Correct Answer unvaccinated with behavioral risks
How long can HBV survive outside the body? Correct
Answer 7 days
Can HBV be treated? Correct Answer Yes, but the risk of
chronic hepatitis is significant
People at risk for HBV include? Correct Answer Crowded
or unsanitary conditions, have multiple sex partners, men
who have homosexual contact, live in the same house as
someone with chronic HBV, have sex someone infected,
have hemophilia, patient or work in home for disabled,
injection drug users
Is HBV spread through spring utensils, casual contact,
contained water/food or breastfeeding? Correct Answer
No
when was the HBV vaccine made? Correct Answer 1981
, How long is the incubation period for HBV? Correct
Answer 45-160 days
HBV early S&S begin with? Correct Answer Mild flu like
symptoms such as a fever, chills, Laura, diarrhea
How long do HBV early s&S last? Correct Answer 2 to 6
weeks
How many people who become infected will show no
signs or symptoms? Correct Answer 30 percent
Fully 70 percent of people who have recovered from HBV
from the symptomatic stage are still infectious for? Correct
Answer 3 months or more
What hepatitis is the most common chronic blood borne
pathogen in the USA? Correct Answer HCV
How is HCV transmitted? Correct Answer blood
Acute S&S of HCV include? Correct Answer flu like
symptoms, joint aches, jaundice, and mild skin rash
How many people will manifest with acute HCV? Correct
Answer less than 30 percent
risk factors of HCV Correct Answer - The most common
mode of HCV transmission is the sharing of contaminated
needles and paraphernalia among IV drug users. Other
risk factors include transfusion of blood or blood products
AND CORRECT ANSWERS (VERIFIED
ANSWERS) | CLEAN NEEDLE
TECHNIQUE
What are the 5 types of hepatitis? Correct Answer a, b, c,
d, e
What two Hepatitis viruses are transmitted fecal-orally
Correct Answer A and E
What hepatitis are transmitted by blood or sexual contact?
Correct Answer B, C, D
What hepatitis vaccine should health practitioners get?
Correct Answer Hepatitis B
As a health care worker are you legally required to get the
HBV vaccine? Correct Answer No
Hepatitis A is common infection in conditions of? Correct
Answer Poor sanitation and over crowding
HAV is transmitted through? Correct Answer Fecal
contaminated food and water and contaminated blood on
hands
HAV may spread through? Correct Answer Sexual contact
,Incubation period for HAV is? Correct Answer 15 to 50
days
Average incubation period for HAV Correct Answer 28
days
Are HAV infections a sudden or gradual onset of S&S?
Correct Answer Sudden
How long do HAV S&S last? Correct Answer less than 2
months
S&S of HAV include Correct Answer abdominal
discomfort, loss of appetite, fatigue, nausea, dark urine
and jaundice
How many people have prolonged or replacing course of
illness lasting as long as 6 to 9 months for HAV? Correct
Answer 15 percent
Can people who had HAV be reinfected? Correct Answer
No
Is there a vaccine for HAV and is it routinely
recommended by the CDC for health care workers?
Correct Answer Yes and no
How long can HAV live outside the body? Correct Answer
Months
,How is the HAV killed? Correct Answer By heating to >185
degrees for 1 minute
HBV is mainly spread by Correct Answer blood, blood
products AND semen.
Can HBV cause a lifelong infection? Correct Answer Yes
Ongoing transmission of HBV is found among people who
are Correct Answer unvaccinated with behavioral risks
How long can HBV survive outside the body? Correct
Answer 7 days
Can HBV be treated? Correct Answer Yes, but the risk of
chronic hepatitis is significant
People at risk for HBV include? Correct Answer Crowded
or unsanitary conditions, have multiple sex partners, men
who have homosexual contact, live in the same house as
someone with chronic HBV, have sex someone infected,
have hemophilia, patient or work in home for disabled,
injection drug users
Is HBV spread through spring utensils, casual contact,
contained water/food or breastfeeding? Correct Answer
No
when was the HBV vaccine made? Correct Answer 1981
, How long is the incubation period for HBV? Correct
Answer 45-160 days
HBV early S&S begin with? Correct Answer Mild flu like
symptoms such as a fever, chills, Laura, diarrhea
How long do HBV early s&S last? Correct Answer 2 to 6
weeks
How many people who become infected will show no
signs or symptoms? Correct Answer 30 percent
Fully 70 percent of people who have recovered from HBV
from the symptomatic stage are still infectious for? Correct
Answer 3 months or more
What hepatitis is the most common chronic blood borne
pathogen in the USA? Correct Answer HCV
How is HCV transmitted? Correct Answer blood
Acute S&S of HCV include? Correct Answer flu like
symptoms, joint aches, jaundice, and mild skin rash
How many people will manifest with acute HCV? Correct
Answer less than 30 percent
risk factors of HCV Correct Answer - The most common
mode of HCV transmission is the sharing of contaminated
needles and paraphernalia among IV drug users. Other
risk factors include transfusion of blood or blood products
