Hepatitis B Virus

Question 1

Family of HBV ?

Answer 1

Hepadnavirus

671

Question 2

Envelop of HBV ?

Answer 2

1. HBsAg
2. Lipid

671

Question 3

Outstanding characteristics of HBV ??

Answer 3

1. Acute & chronic hepatitis
2. Hepatocellular carcinoma

Question 4

Antigens of HBV ??

Answer 4

1. HBsAg
2. HBcAg
3. HBeAg

s-c-e

Question 5

Surface antigen of HBV ??

Answer 5

HBsAg

Question 6

HBsAg importance ???

Answer 6

Lab diagnosis & immunization

671

Question 7

Core antigen of HBV ??

Answer 7

HBcAg

Question 8

The antigen that secreted from infected cell is called ??

Answer 8

HBeAg

Question 9

Core antigen function In HBV ??

Answer 9

Forms the nucleocapsid core of the virion

671

Question 9

HBeAg indicator of —??

Answer 9

Infectivity/ Transmissibility

671

Question 10

Horizontal transmission of HBV ??

Answer 10

1. Transfusion of infected unscreened blood products
2. Sexual intercourse
3. Injection drugs
4. Tattos
5. Close living quaters

671

Question 11

Outcome of subclinical infection by HBV >??

Answer 11

Recovery

672

Question 11

Vertical transmission of HBV ??

Answer 11

1. HBsAg (+) Mother
2. Delivery birth canal
3. Post natal-Breast feeding \Prenatal - Placenta

672

Question 12

Complications of HBV ??

Answer 12

1. Fulminant live failure
2. Chronic liver hepatitis
3. Cirrhosis of liver
4. Hepatocellular Ca

672

Question 13

Acute hepatitis outcome ??

Answer 13

=Recovery
=Fulminant liver failure

672

Question 14

Chronic carrier of HBV outcome ??

Answer 14

1. Cirrhosis of liver
2. Hepatocellular Ca

672

Question 15

Antigens of HBV in the serum ??

Answer 15

1. HBsAg
2. HBeAg

673

Question 15

Acute liver failure HBsAg state ??

Answer 15

-
negative

673

Question 16

Active ionfection indicator which antigen ??

Answer 16

HBsAg

673

Question 16

Antobodies of HBV in the serum ??

Answer 16

1. Anti HBc IgM
2. Anti HBs IgG
3. Anti HBe IgM

673

Question 17

In highly infectious patient which antigen in serum ??

Answer 17

HBeAg

673

Question 18

Anti HBs IgG IN blood indicated ??

Answer 18

1. Previous infection
2. Previous vaccination

673

Question 19

Surest marker of Active infection ??

Answer 19

Anti HBc IgM

674

Question 20

Detection of Anti HBe IgM is —-??

Answer 20

1. Recovery
2. Low transmissibility

674

Question 21

Strong evidence of infectious virions is present is --------??

Answer 21

Viral DNA | 674

Question 22

Previous infection discovered by Anti HBsAg IgG ??

Answer 22

(+) Anti HBc ` | 673

Question 23

Previous vaccination discovered by Anti HBsAg IgG ??

Answer 23

(-) Anti HBc

Question 23

Window period in HBV infection ??

Answer 23

Time between the disappearance of a specific antigen & the appearance of antibody against that particular antigen | 675

Question 24

Which seromarker is positive during window period ??

Answer 24

Anti-HBc IgM Ab | 675

Question 25

The most important & readily detectable seromarker ???

Answer 25

HBsAg | 675

Question 26

If I found HBsAg (-) is it free from HBV ??

Answer 26

NOOOOO maybe patient in window period | 675

Question 27

Importance of window period in HIV ??

Answer 27

Diagnosis become difficult | 675

Question 28

What is the next procedure ??

Answer 28

Check the Anti HBc IgM | 675

Question 28

HBsAg in undetectable level when ??

Answer 28

3-6 month after infection | 676

Question 29

Tx of HBV ??

Answer 29

Pegylated alpha interferon | 676

Question 30

First detected Ab in HBV ??

Answer 30

Anti HBc IgM | 676

Question 31

Names of hepatotrophic viruses ??

Answer 31

1. HAV 2. HBV 3. HCV 4. HDV 5. HEV | 666

Question 32

HGV virus name <>

Answer 32

GB virus C / human hepe-gi-virus / pegivirus H 349