Clinical Virology

Which of the following is appropriate for the viruses that are obligate intracellular parasites?

• Do not possess active protein synthesizing apparatus.

• Replicate outside the host cell.

•   Metabolically active outside the host

• Possess active protein synthesizing apparatus

• Unique replication apparatus

Virus types are very specific, and each has a limited number of hosts it can infect. What would be the best choice for the above statement?

• Antigenic shift

• Host interaction

• Viral hepatocytes

• Viral tropism

• Viral infection

     The protein coat of viruses that encloses the genetic material is referred to as:

• Capsid

• Capsomers

• Naked

• Peplomers

• Viroid

Which of the following viruse is sensitive to heat, drying, pH, detergents, and lipid solvents such as alcohol?

• Adenovirus

•  Papillomavirus

• HCV

• Rhinovirus

• HAV

The glycoprotein of the influenza virus plays a crucial role in the early stage of virus infection. Which one of the following is associated with infection?

• Glycan

• Hemagglutinin

• Mucin

• N-linked glucan

• S protein

Which of the following statements is best for a positive-strand RNA virus?

• It must first be converted to an mRNA before it can be translated

• It can be used directly to translate viral proteins.

• It will be degraded by host enzymes

• It is not recognized by host ribosomes

• Must generate mRNAs for protein synthesis

Which of the following gives the virus symmetry?

• arrangement of amino acid

• arrangement of capsomers

• arrangement of capsid

• arrangement of glycan

• arrangement of ribosomes

Hepatitis delta virus only occurs in patients who also have either acute or chronic infection with hepatitis B virus. What would be the best choice for the Hepatitis delta virus?

• Defective RNA virus

• Hepatitis B mutant

• Incomplete hepatitis B virion

• Pseudovirion

• Related to hepatitis A virus

Infectious particles are composed solely of protein and no detectable nucleic acid. What would be appropriate according to the statement?

• Celiac Disease

• Creutzfeldt-Jacob Disease

• Hemolytic Anemia

• Hepatitis Delta Virus

• Plant diseases

Which of the following infectious agents do not have nucleic acid?

•  Naked

• Prions

• Provirus

• Viroids

• Viruses