Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
What size are viruses? |
Small (excluding mimi, mama, mega, and pandora) |
|
Viral Morphology of icosahedral viruses |
Spherical with 20-sided triangular faces |
|
Examples of icosahedrals |
Polio viruses, Herpes viruses, and Adenoviruses |
|
Viral morphology of Filamentous viruses |
Helical |
|
Examples of filamentous viruses |
Tobacco Mosaic Virus and Ebola Virus |
|
Morphology of complex viruses |
Have a capsid head, collar, core, a contractable sheath, and tail fibers |
|
Morphology of enveloped viruses |
Lipids are obtained from host membranes and proteins are encoded by the viral genome, then bud out of the cell membrane |
|
True or False: Some enveloped viruses may have enzymes. |
True; reverse transcriptase in retroviruses |
|
What is an example of an enveloped virus? |
Influenza virus |
|
What virus produces smallpox? |
Variola virus |
|
How is smallpox acquired? |
Direct contact |
|
What are the symptoms of smallpox? |
High fever, rash in mouth, and skin with raised blisters that become pustules and then become scabs |
|
Roughly how many people die from being infected with smallpox? |
1/3rd |
|
How do you immunize against smallpox? |
By using the vaccinia virus (cowpox) |
|
What is the route of transmission of rotavirus? |
Fecal-oral route |
|
Who can get rotavirus? |
Everyone, but it is most severe in children |
|
Rotavirus is one of the most common causes of what? |
Gastroenteritis |
|
What kind of vaccine is the recently introduced vaccine for rotavirus? |
Attenuated oral |