Infectious diseases Flashcards
what risk factors are there that lead to infection
poor diet
physical fitness level
lack of sleep
hereditary makes it more common
stress
what is direct contact
touching, kissing, sexual relations
describe what indirect contact is
touching an object that an infectious person has had already touched
describe what airborne contact is
breathing in the air that contains the pathogen
what is food borne contact
eating something that is contaminated with infection
describe what animals borne pathogens is
animals can spread diseases through bites and poo
what is a water borne disease
transmitted from drinking water
describe what perinatally transmission is
mothers can transmit diseases to an infant in the womb or as a baby passes through the vagina
what does endemic mean
refers to a constant presence of a disease or infectious agent, like in a population group
like malaria
describe what epidemic is
the usual occurrence in a community of disease, specific health-related, more serious than endemics
what is a pandemic
epidemic effecting a large population in a geographical area or section of nation
how do we track and measure the spread of infectious disease
collecting data, keeping away from the infected
give 3 examples of pandemics throughout history to today
small pox
spanish flu
HIV/AIDs
how do bacteria become pathogenic
they lack a nucleus
and some have a cell wall
what is the difference between gram- positive/negative
positive have more peptidoglycan and negative has less
positive have simpler walls and negative have toxic walls
