Hepatitis E RNA

Question 1

Which family of viruses does Hepatitis E belong to?

A) Picornavirus
B) Flavivirus
C) Calicivirus
D) Orthomyxovirus

Answer 1

C) Calicivirus

Question 2

What is the typical size of the Hepatitis E virus?

A) 10-20 nm
B) 20-25 nm
C) 30-32 nm
D) 32-34 nm

Answer 2

D) 32-34 nm

Question 3

What is the main mode of transmission for Hepatitis E (HEV)?

A) Blood transfusion
B) Airborne droplets
C) Fecal-oral route, often in contaminated water
D) Sexual contact

Answer 3

C) Fecal-oral route, often in contaminated water

Question 4

What type of genetic material does the Hepatitis E virus (HEV) contain?

A) DNA
B) RNA
C) Proteins
D) Lipids

Answer 4

B) RNA

Question 5

Where is Hepatitis E (HEV) most likely to be present in the world?

A) It has been eradicated worldwide
B) It is only found in developed countries
C) It is present in countries with poor water contamination control
D) It is found in regions with high sanitation standards

Answer 5

C) It is present in countries with poor water contamination control

Question 6

Which hepatitis virus is Hepatitis E (HEV) most similar to in terms of disease presentation?

A) Hepatitis A (HAV)
B) Hepatitis B (HBV)
C) Hepatitis C (HCV)
D) Hepatitis D (HDV)

Answer 6

A) Hepatitis A (HAV)

Question 7

How is Hepatitis E RNA typically detected?

Answer 7

• Hepatitis E RNA is typically detected through serology.

Question 8

Which method is considered a more sophisticated confirmatory test for Hepatitis E RNA?

a. Western blot
b. PCR - used in all types of agents, which has a principle based on the detection of a certain segment of a gene that is amplified
c. Electron microscopy

Answer 8

a. Western blot

Question 9

Which method is based on the detection of a certain segment of a gene that is amplified and is commonly used for detecting Hepatitis E RNA?

a. Western blot
b. PCR - used in all types of agents, which has a principle based on the detection of a certain segment of a gene that is amplified
c. Electron microscopy

Answer 9

b. PCR - used in all types of agents, which has a principle based on the detection of a certain segment of a gene that is amplified

Question 10

Which method is typically used for visualizing viral particles but is not commonly used for detecting Hepatitis E RNA?

a. Western blot
b. PCR - used in all types of agents, which has a principle based on the detection of a certain segment of a gene that is amplified
c. Electron microscopy

Answer 10

c. Electron microscopy

Question 11

Which group of individuals with HEV infection is at a higher risk of developing fulminant liver failure and death?

A) Children under the age of 5
B) Young adults between 20-30 years old
C) Elderly individuals over the age of 60
D) Pregnant women

Answer 11

D) Pregnant women

Question 12

Which statement is true regarding serologic markers for Hepatitis E Virus (HEV)?

A) HEV has distinctive serologic markers for diagnosis.
B) Serologic markers for HEV are only available in non-endemic countries.
C) Diagnosis of HEV is solely based on symptoms in endemic countries.
D) Serologic markers for HEV are primarily used for research purposes.

Answer 12

C) Diagnosis of HEV is solely based on symptoms in endemic countries.