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;
27 Cards in this Set
- Front
- Back
What are diseases that appear in a population for the first time called? |
Emerging diseases |
|
What are the diseases that were though to be eradicated or near-eradicated? |
Reemerging diseases |
|
What are some examples of emerging diseases? |
SARS West Nile Virus H1N1 influenza |
|
What are some examples of reemerging diseases? |
Polio Anthrax |
|
What is the termreferring to proteinaaceous infectious agents? |
Prions |
|
What type of prion is made by all mammalsand its structure is made up of alpha-sheets? |
Cellular PrP protein (normal) |
|
What is known as the disease-causing form of prions with Beta-sheets? |
Prion PrP |
|
What are some characteristics of prion diseases? |
Fatal neurologicl degeneration Spongy brain |
|
How can prions be destroyed? |
By incineration or autoclaving in 1 N NaOH |
|
What does AIDS stand for? |
Acquired Immunodeficiency Syndrome |
|
T or F: AIDS is a disease |
False; AIDS is a syndrome |
|
For and HIV patient, what would be their CD4 white blood cell count be? |
below 200 cells/microlite of blood |
|
What does HIV stand for? |
Human Immunodeficiency Virus |
|
Where can HIV replicate? |
ONly in humns |
|
HIV-1 is prevalent in what areas of the world? |
US and Europe |
|
HIV-2 is prevalent is what areas of the world? |
Wes Africa (lslow reporduction rate) |
|
Which glycoprtein exhibits antigenic variability? |
gp120 |
|
Which glycoprotein promotes fusion of the viral envelope to target cell? |
gp41 |
|
What is the term that refers to the process by which HIV attached to and enters a CD-4 cell? |
Antigenic variability |
|
In the course of AIDS, when does acitve HIV/virion produce? |
Primary infection |
|
In what population was AIDS first recognized? |
Young male homosexuals |
|
What was the original name for AIDS? |
GRID (ga related immune deficincy) |
|
Where is HIV found in the body? |
Blood, Semen, Saliva, Vaginal secretions, and breast milk |
|
What are the 4 cell types that HIV infects? |
Helper T Cells Macrophages Smooth muscle cells Dendritic cells |
|
T or F: A postive test for antibodies against HIV means a person has AIDS |
False |
|
What does ELISA stand for? |
Enzyme-linked immunosorben assay |
|
Which treatsment is currently uses for AIDS? |
HAART (reuces viral replication) |