Module 4: Blood-Borne Pathogens - Hepatitis and AIDS Flashcards
acquired immunodeficiency syndrome
AIDS
part of the cellular immune system; T-helper lymphocytes; turn on the immune response
CD4 cells
part of the cellular immune system; regulate the immune system by turning it down when required
T-suppressor lymphocytes
scarred liver as a result of chronic inflammation. The hepatocytes are replaced by connective tissue. The symptoms include jaundice, edema in the legs and uncontrolled bleeding.
cirrhosis
hepatitis B immune globulin; a product used for passive immunization following exposure to hepatitis B virus
HBIG
inflammation of the liver
hepatitis
a type of liver cancer involving the functional cells of the liver; often follows hepatitis B and C infections
hepatocellular carcinoma
human immunodeficiency virus; the virus causing severe immunosuppression that leads to AIDS
HIV
the disease is spread through a population from one infected person to another
horizontal transmission
a term sometimes used for hepatitis A; spread by ingestion of food or drink contaminated with feces or saliva
infectious hepatitis
a clinical symptom characterized by yellow skin, dark urine and light feces
jaundice
cell death in an organ or tissue
necrosis
the study of antigen-antibody reactions performed in the laboratory
serology
another term for hepatitis B; usually spread by blood and blood products
serum hepatitis
transmission of disease from mother to child across the placenta during birth when the mucous membranes of the child come in contact with the infected vaginal secretions of the mother, or through breast milk; (When an infectious disease is passed from the mother to the child during pregnancy or birth; it is called congenital infection.)
vertical transmission
