Health and Disease Flashcards
What is a communicable disease?
Can be transferred between organisms and people
What type of immune system makes people more prone to disease?
Defective
Name the types of disease transmission
Direct contact, water, air, unhygenic food prep
What is a pathogen?
Organisms that cause a disease by infecting a host and reproducing
Give examples of non communicable diseases
Genetically inherited, cancers, deficiencies.
Describe a virus
Strands of DNA with a protein coat
Can viruses be treated by antibiotics?
No
Describe HIV
It is transmitted through unprotected sex, cuts or unclean needles. Patients experience flu like symptoms
Describe AIDS
After getting HIV white blood cells are attacked, so it is like a progression from HIV
Describe ebola
Transmitted by bodily fluids and causes fever diarrhoea, muscle weakness and joint pain and internal bleeding.
What are the types of bacterial disease?
Cholera and Tubercolosis
Describe cholera
It is transmitted through dirty water and contaminated food and causes vomiting, stomach pain and diarrhoea. There is a vaccine
Describe tubercolosis
Transferred through water droplets when coughing/sneezing. It attacks lungs causing a sever cough, high temperature and loss of apetite. There is a vaccine
Describe the protist disease malaria
Transferred by vectors (mosquitoes). To prevent it there are drugs, vaccines and insect repelent
What are the defences against infection?
Ciliated cells, stomach acid, nose mucus, immune system
