Fungi and Viruses Powerpoint (test 4) Flashcards
What are fungi?
Single celled organisms
Eukaryotic
Include mushrooms, yeasts, molds
What do the cell membranes of fungi contain, that is the basis for antifungal drugs?
ergosterol
What is the most common example of a fungal infection?
Yeast infections
What are some examples of antifungals on the market?
Diflucan - fluconazole
Lamisil - terbinafine
Terazol - terconazole
How often does someone on pulse dosing for fungal infections get treatment?
One week per month
What two forms are antifungals dispensed in?
Topical agents
Systemic agents
What are some side effects of Diflucan?
Headache
GI upset
Rash
What antifungal is especially useful for fungal infection of nails? How often is it taken?
Sporanox taken twice a day
What are some side effects of Sporanox?
Nausea
Vomiting
Jaundice
What antifungal kills fungus instead of inhibiting its growth?
Lamisil
How are viruses spread?
Direct contact
Ingestion
Inhalation
Exposure to contaminated body fluids or equipment
How are viruses classified?
duration time
Severity
Extention of infection
Size, shape, genetic makeup, properties
What is a latent virus? Give an example
A virus that lies dormant, and then in the right circumstances reproduce and become infective again. An example is Herpes
What damaging effects can a virus have on a host cell?
Kill host cell
Alter the cell
Incorporate into the genetic material of the cell
Divide when the host cell divides
What are antivirals used to treat?
Herpes
Influenza
Varicella
