QUESTIONS AND CORRECT ANSWERS
Blood type O - CORRECT ANSWER Universal donor; can give to all blood types
Blood type AB - CORRECT ANSWER Universal recipient; can receive all blood types
Blood type A - CORRECT ANSWER Has A antigens; receives A and O blood
Blood type B - CORRECT ANSWER Has B antigens; receives B and O blood
Rh factor importance - CORRECT ANSWER Rh- cannot receive Rh+ blood; Rh+ can receive
both
Hemolysis - CORRECT ANSWER destruction of red blood cells due to immune reaction or
damage
Colonization - CORRECT ANSWER microorganism present without symptoms or immune
response
Infection - CORRECT ANSWER microorganism invades tissue causing symptoms and immune
response
Incidence - CORRECT ANSWER new cases of disease in a population
Prevalence - CORRECT ANSWER total existing cases of disease at a time
Outbreak - CORRECT ANSWER sudden increase in cases in a limited area
Epidemic - CORRECT ANSWER widespread increase in disease in a region
, Pandemic - CORRECT ANSWER global spread of disease
Incubation phase - CORRECT ANSWER time between exposure and symptoms
Prodromal phase - CORRECT ANSWER mild early nonspecific symptoms
Acute phase - CORRECT ANSWER peak severity of illness
Convalescent phase - CORRECT ANSWER recovery phase after acute illness
Resolution phase - CORRECT ANSWER disease completely resolved
Active immunity - CORRECT ANSWER body produces its own antibodies
Passive immunity - CORRECT ANSWER receives antibodies from external source
Natural active - CORRECT ANSWER immunity after infection
Artificial active - CORRECT ANSWER immunity from vaccination
Natural passive - CORRECT ANSWER maternal antibodies via placenta or breast milk
Artificial passive - CORRECT ANSWER injection of antibodies (immunoglobulin)
Humoral immunity - CORRECT ANSWER B-cell mediated antibody immunity against
extracellular pathogens
Cell-mediated immunity - CORRECT ANSWER T-cell immunity targeting infected or
abnormal cells