words Flashcards
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a subcellular genetic entity capable of gaining entrance into a limited range of living cells and capable of replication only within such cells; a virus contains either DNA or RNA but not both.
virus
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widespread epidemic usually affecting the population of an extensive region, several countries, or sometimes the entire globe
pandemic
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complete virus particle made up of the nucleoid ( the genetic material) and capsid ( the shell of protein that protects the nucleoid)
virion
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presence of virus in body secretions, in excretions, or in body surface lesions with potential for transmission
shedding (viral)
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an arthropod, insect, or other living carrier in whose body the infecting organism multiplies before becoming infective to the receptient
biologic vector
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the identification of a disease by serum makers of that specific condition
serologic diagnosis
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virus with RNA as its core genetic material. requires the enzyme reverse transcriptase to convert tits RNA into proviral DNA
retrovirus
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by way of or through a mucous membrane
permucosal
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a specific finding such as an antibody or antigen by laboratory blood analysis that identifies an existing disease state. may be referred to as titer
serum marker
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by way of or through the skin
percutaneous
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inflammation of the parotid gland
parotitis
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capable of causing disease only when the host’s resistance is lowered
opportunistic pathogen
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yellowness of the skin, sclerae, mucous membranes, and exretions due to hyperbilirubinemia and deposition of bile pigments. also called icterus
jaundice
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organism capable of producing an infection
infectious agent
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early or premonitory symptom
prodrome
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an inanimate object or material on which disease producing agents may be conveyed
fomite
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a substance that is capable under appropriate conditions of introducing a specific immune response that is whith the specific antibody
antigen
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symptomatic reactivation of a latent infection
recurrent infection
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persistent infection following a primary infection in which the causative agent remains inactive within certain cells
latent infection
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a state caused by the invasion, development or mulitplcation of an infectious agent into the body
infection
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the time interval between the initial contact with an infectious agent and the appearance of the first clinical sign or symptom of the disease
incubation period
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immunity either naturally attained by infection, whith or without clinical manifestations, or artifically acquired by innoculation of the agent in a killed, modified, or variant form. usually lasts for years.
active immunity
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an individual who harbors pathogenic organisms without clinically recognizable symptoms, a carrier may infect those contacted
asymptomatic carrier
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short-duration immunity either naturally attained by transplacental transfer from the mother or artifically acquired by innoculation of specific protective antibodies
passive immunity
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the time between exposure resulting in infection and the presence of detectable serum antibody, antibody test is negative but infectious agent is transmitable during the window period
window period
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the resistance that a person has against disease. it may be natural or acquired
immunity
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widespread occurence of cases of an illness in a community or region, greater than the expedcted number of cases for the particular population
epidemic
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employs the techniques and agents to abort the onset of desease, to reverse the progress of the initial stages of disease, or to arrest the disease process before treatment becomes necessary
primary health care
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the science of the prevention and treatment of oral disease through the provision of educational, assessment, preventive, clinical, and other therapeutic services in a collaborative working relationship with a consulting dentist but without general supervision
collaborative practice of dental hygiene
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the constant presence of a disease or infectious agent within a geographical area
endemic
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dimunitive drop, such as the particles of moisture expelled while coughing , sneezing, or speaking that may carry infectious disease
droplet