Viruses and Prions Quiz
Mammalian viruses capable of starting tumors are ______.
D. inclusion bodies
Infectious naked strands of RNA that affect plants are called ______.
Spikes are glycoproteins that can be found projecting from the viral capsid.
Viruses exhibit all the following except ______.
C. ability to infect cells
Creutzfeldt-Jacob disease is _______.
A. a spongiform encephalopathy of humans
B. caused by a viroid
C. initiated by an oncogenic virus
D. also called “mad cow disease”
What structures are used by bacteriophages to attach to host cell receptors?
A. nucleic acids
B. tail fibers
C. viral sheaths
D. capsid heads
Prophages can be activated into viral replication and enter the lytic cycle.
A common method for cultivating viruses in the lab is to use in vitro systems called _____ cultures.
Viruses are used to produce vaccines for prevention of certain viral infections.
Host cells of viruses include ______.
D. all of these
Viruses are the most common cause of acute infections that do not result in hospitalization.
Diagnosis of viral infections sometimes involves analyzing the patient’s blood for specific _____ that the immune system produces against the virus.
C. complement proteins
Viruses mutate, and some viruses have not been discovered.
Viruses are not filterable.
Viruses are considered ultramicroscopic because they range in size from 2 mm to 450 mm.
Visible, clear, well-defined patches in a monolayer of virus-infected cells in a culture are called ______.
Infectious protein particles are called ______.
Persistent viruses that can reactivate periodically are ______.
B. inclusion bodies
D. chronic latent viruses
A fully formed virus that can cause an infection in a host cell is called a virion.
Viruses that infect bacteria are specifically called ______.
D. satellite viruses
Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.