Question

Question 1 (Mandatory) (1 point)

Hepatotrophic etiologic agents of viral hepatitis are all of the following except:

Question 1 options:

	Epstein-Barr virus
	hepatitis C virus
	hepatitis B virus
	hepatitis A virus

Question 2 (Mandatory) (1 point)

The influenza rapid test

Question 2 options:

	detects anti-flu antibody in the patient's serum
	detects the anti-flu antibody in the patient's nasal secretions
	detects the flu antigen in the patient's serum
	detects the flu antigen in the patient's nasal secretions

Question 3 (Mandatory) (1 point)

Interpret the following results for EBV infection: IgG and IgM antibodies to viral capsid antigen (VCA) are positive.

Question 3 options:

	Infection in the past
	Infection with an interfering virus such as HIV
	Current infection
	Impossible to interpret; need more information

Question 4 (Mandatory) (1 point)

In a chronic carrier of hepatitis B virus, which positive test is most indicative of high infectivity?

Question 4 options:

	hepaititis B surface antigen (HBsAg)
	hepatitits B core antigen (HBcAg)
	hepatitis Be antigen
	anti-HBsAg

Question 5 (Mandatory) (1 point)

Lab testing for Rubella has this test as its reference method:

Question 5 options:

	ELISA
	passive latex agglutination
	hemagglutintation inhibition
	solid phase immunoassay

Answer 1

1. Epstein-Barr virus

The common causes of viral hepatitis are the five unrelated hepatotropic viruses hepatitis A,B,C,D and E. Epstein-Barr virus causes liver inflammation.

2. detects the flu antigens in th patient's nasal secretions.

Rapid influenza diagnostic tests are antigen detection assays that can detect influenza viruses within 15 minutes with low to moderate sensitivity and high specificity. The types of specimens include throat, nasopharyngeal or nasal aspirates, swabs, or washes and this vary by test.