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DEN111-Chapter 6

QuestionAnswer
4 basic processes that result in pathogenic agents present in mouth: bloodborne disease, oral disease, systemic disease with oral lesions, respiratory disease
What is HBV? enveloped DNA virus that infects and multiplies in human liver cells
When do symptoms of HBV occur and what are they? 45-180 days; yellow skin, light stool, dark urine, joint pain, itching
What are the risks of the dental team in contracting HBV? contaminated instruments, blood and saliva, spraying of blood and saliva on mucous membranes
Hep. C is responsible for ______% of cases. 30
HIV progresses to a final stage called... aquired immunodeficiency syndrome
When do symptoms of HIV occur and what are they? 4 weeks, sore throat, fever, swollen glands, joint pain, fatigue
The leading cause of death in aids is caused by: pneumocystis jiroveci pnemonia, fungal
HIV is transmitted: sexually, bodily fluids, perinatal contact
Hep. A and E virus are transmitted by: contaminated food and water (fecal oral routes of spread)
Hep. B, C, D are transmitted by: bloodborne diseases by direct or indirect contact with infected bodily fluids
What is the antigen found on the surface of Hep. B? HBsAg
What are the two antigens found inside the Hep. B virus? HBcAg and HBeAg
Hep. B vaccines consist of the ______ antigen that is synthesized using yeast cells in a lab. HBsAg
HIV is a memeber of a group of single stranded RNA viruses called: retroviruses
____ of those infected with hep B have recognizable symptoms. 1/3
How does HIV cause AIDS? it destroys the bodys defenses against diseases
About how many persons worldwide are living with HIV? 38 million
A hep. B carrier : HBsAg positive
Most persons who develop HIV become HIV positive within______ weeks after exposure. 6-12 weeks
What percent of persons infected with hep C virus become chronic carriers of the disease? 99%
Created by: madelineyork
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