Exam 24: Pathogenic DNA Viruses

A homeschooled child recently visited an ailing great-grandparent who was complaining of a painful rash.Even though the child had had no contact with children suffering from chickenpox,the child developed chickenpox.How did the child contract the infection?

Pinkeye can be the result of infection with

The polyomavirus known as BK may establish latent infection of

Which of the following statements is true of both molluscum contagiosum and smallpox?

Which of the following lesions is a hard,raised sore?

B has been HIV positive for several years.Recently,B began to experience some disturbing symptoms.B has begun to have problems with vision and motor control.Clinical tests indicate B's immune function is declining.What other viruses besides HIV might be causing B's problems? How might this be verified?

All adenoviruses cause mild respiratory disease.

What is unique about the Hepadnaviridae family of viruses?

A serum sample from a patient is examined on an electron microscope,and observed to contain Dane particles,filamentous,and spherical virion particles in abundance.This observation indicates infection with

Which of the following viruses are oncogenic?

Infection of the respiratory system by ________ may develop into symptoms of a common cold.

Contact with a minute quantity of blood is sufficient for infection with hepatitis B virus.

Which of the following families of DNA viruses is the most prevalent in humans?

Hepatitis B virus releases a large amount of viral antigen,which benefits the patient by

An effective vaccine to prevent infection with Epstein-Barr virus (EBV,HHV-4)is available.

A child is suffering from a fever and has reddish cheeks,arms,and thighs.The rash intensifies upon exposure to the sun.What is the likely infectious agent?

A teenager shows up at a clinic with lesions on his face.The sores are raised,light-colored bumps with a waxy texture.A few similar lesions are present on the torso as well.With which of the following viruses might he be infected?

A patient is brought into the ER in a coma.Upon inspection,the physician sees evidence of many new tattoos,as well as yellowing of the skin and eyes.What is the most likely cause of the patient's condition?

human herpesvirus 4 (EBV)has been implicated as an etiological agent in some cases of Hodgkin's lymphoma.

Which of the following increases the risk of permanent liver damage with hepatitis B infection?