Week Two (Part Four)

Question 1

Acute Hepatitis

Serological Markers
HAV

Answer 1

IgM anti HAV appears during the first week of symptomatic disease.

IgG anti HAV after 1 month of illness and persists for years (protective).

Question 2

Acute Hepatitis

Serological Markers
HCV

Answer 2

Anti HCV can be detected as early as 1- 2 weeks after exposure (is not protective).

Question 3

Acute Hepatitis

Serological Markers
HDV

Answer 3

Coexists with HBV and may convert mild HBV into fatal one.

Can detect anti-HDV in the serum of HDV RNA

Question 4

Acute Hepatitis

HAV
Type of Virus

Answer 4

RNA

Question 5

Acute Hepatitis

HBV
Type of Virus

Answer 5

DNA

Question 6

Acute Hepatitis

HCV
Type of Virus

Answer 6

RNA

Question 7

Acute Hepatitis

HDV (Delta Agent)
Type of Virus

Answer 7

RNA Hepatitis B required for replication

Question 8

Acute Hepatitis

HEV
Type of Virus

Answer 8

RNA

Question 9

Acute Hepatitis

HAV
Incubation Period

Answer 9

2- 6 weeks

Question 10

Acute Hepatitis

HBV
Incubation Period

Answer 10

1- 6 months

Question 11

Acute Hepatitis

HCV
Incubation Period

Answer 11

2- 24 weeks

Question 12

Acute Hepatitis

HDV (Delta Agent)
Incubation Period

Answer 12

1- 6 months

Question 13

Acute Hepatitis

HEV
Incubation Period

Answer 13

2- 8 weeks

Question 14

Acute Hepatitis

HAV
Mechanism of Spread

Answer 14

Fecal-oral

Question 15

Acute Hepatitis

HBV
Mechanism of Spread

Answer 15

Parenteral (Blood, Body Fluids)

Question 16

Acute Hepatitis

HCV
Mechanism of Spread

Answer 16

Parenteral (Blood, Body Fluids)

Question 17

Acute Hepatitis

HDV (Delta Agent)
Mechanism of Spread

Answer 17

Parenteral (Blood, Body Fluids)

Question 18

Acute Hepatitis

HEV
Mechanism of Spread

Answer 18

Fecal-oral