Part 2 Flashcards
(26 cards)
What is a parasite?
An organism that lives on, or in, another living thing and derives food or shelter from it
Where do malaria parasites multiply?
In the red blood cell
What do parasites include?
Fleas, lice, worms and protozoans
What diseases can parasites lead to?
Malaria, sleeping sickness and scabies
What significance do fungi hold in relation to bacteria and viruses?
They are not as significant to humans
What are fungi and give examples?
Skin related diseases, such as ringworm, thrush and tinea
What are common infectious disease symptoms?
Fever, high temperature, fatigue, cough, chills, nausea and muscle aches
What is the worst outbreak of an infectious disease?
The Spanish Flu, the worst pandemic the world had ever seen
What was the demographic of most of the Spanish flu victims?
Healthy, young adults
What happened to those infected by the Spanish flu?
Within hours, they were too weak to walk, developed a blue tint to their face, coughed up blood, developed pneumonia and often died the following day
in 2 years, how many people worldwide had died from the virus?
60 million people
What are examples of non-infectious disease?
Genetic disorders such as albinism, social diseases such as cancer and obesity, or mental diseases
What is the direct contact
Direct contact is speed via direct physical contact, requiring human-to-human touching or contact with bodily fluids
What are examples of direct contact?
Touching, kissing, sexual contact or sneezing on someone
What is indirect contact?
Contact which occurs when there is no direct human-to-human contact
What are examples of indirect contact?
Touching a bench riddled with pathogenic bacteria, inhaling droplets, or vectors such as mosquitos
What can infectious diseases result from?
Micro-organisms such as bacteria or fungi, macro-organisms such as worms or insects, and pathogenic agents such as viruses
What are some direct contact diseases?
Hepatits, HIV, Herpes and Ebola
What are some indirect contact diseases?
Ringworm, Tinea
What are some contaminated food or water diseases?
Cholera, Salmonella
What are some air-borne diseases?
Influenzas, Tuberculosis
What are some disease-specific vectors?
Malaria, Lyme disease
How do contaminated food or water diseases work?
In contaminated food and water, the pathogen or vector in the food or water is ingested into the host
How does aire-borne transmission occur?
The pathogen is transmitted through the respiratory system
