Sexually Transmitted Infections
True or False: All sexually transmitted diseases have a cure
what is false
The reliability measure of a screening test that detects "true negative"
specificity
the leading cause of death in low income countries
what is communicable disease
an increase in incidence in an infectious disease beyond that which is expected
what is an epidemic
The study of the distribution and determinants of health
what is epidemiology
This STI is a gram negative bacteria; some strains of this STI are becoming treatment resistant
what is Gonorrhea
Reliability measure of a screening test that detects a "true positive"
what is sensitivity
Time period between initial contact with the infectious agent and the appearance of the first signs or symptoms of the disease
what is incubation period
Removal of a disease from a large geographical area (ex. measles)
what is elimination
This carries diseases from one host to another but do not cause the disease
what is a vector
This STI has four stages: primary, secondary, latent, and tertiary
what is Syphilis
# of people who became sick/ # of people exposed
what is attack rate
Airborne, Direct contact, Droplet are all examples of this
what is mode of transmission
Rabies, TB, hepatitis, encephalitis, and chickenpox are examples of this
what are reportable infectious diseases
The model that posits that health status is determined by the interactions between the host, the agent, and the environment
what is epidemiological triangle
Bacterial STI that is the most frequently reported to the health department (reportable disease)
what is Chlamydia
Number of cases of a disease in the population at a specified time/Total number of persons in the population at that time
what is prevalence
The presence and multiplication of infectious organisms without invading or causing damage to tissue
what is colonization
Giardia, amebic dysentery, Cholera are all examples of this type of illness/disease
what is waterborne illnesses
Interventions aimed at preventing/containing infectious diseases are often designed around breaking a link in the ________
what is chain of infection
three STIs that do not have a cure
what are Human Papillomavirus (HPV), Human Immunodeficiency Virus (HIV), Herpes Simplex Virus (HSV)
Number of NEW cases of a disease occurring in the population during a defined period of time/Number of persons at risk of developing the disease during that
period of time
what is incidence rate
Respiratory passages, mucous membranes, skin, percutaneous injection, ingestion, and the placenta are all examples of this in the chain of transmission
what is portal of entry
illness transmitted by the fecal oral route and accounts for 50% of food-borne gastroenteritis
what is norovirus
Model that shows the expected disease progression without intervention
what is natural history of disease