ACQUIRED IMMUNE DEFICIENCY SYNDROME (AIDS) Flashcards
What virus causes AIDS?
HIV - human immunodeficiency virus
The AIDS virus invades helper ___
T-lymphocytes (CD4 series)
AIDS is transmissible through what four routes?
Blood, Sexual contact, breast feeding, across placenta in uretro.
HIV is present in all body fluids (T/F)
True, but not transmitted by all —only blood, semen, and breast milk.
Name the five risk groups for AIDS
Homosexual/bisexual men, IV drug users, hemophiliacs, heterosexual partners of infected people, newborn children of infected women.
What is the first test for HIV antibodies?
HIV-1/2 Ag/Ab combination immuno asssay
The rapid HIV test available in clinics and doctors offices tests what body fluid?
Saliva
What tests confirm the ELISA
Western Blot, IFA, PCR
Which test is the best indicator of the progress of HIV disease?
The CD4 count
A CD4 count of under ___ is associated with the onset of AIDS - related symptoms.
500
A CD4 count of under ___ is associated with the onset of opportunistic infections.
200
Give 6 symptoms of HIV disease.
Anorexia, fatigue, weakness, nigh sweats, fever, diarrhea
Which two classes of drugs are given in combination for HIV sero-positivity?
NRTI’s (nucleoside reverse transcriptease inhibitors) and PI’s (protease inhibitors)
What do these drugs do?
They prevent viral replication
What does the physician hope to achieve with these drugs
A delayed onset of AIDS for as long as possible (usually can delay onset for 10-15 years.)