Communicable Diseases

Chapter 23

An CommunicableDisease is...

A disease that is spread from one ______organism to another or through the ______

AKA: ______or infectious disease

What causes Infectious Diseases?

All are caused by ______(any agent that causes disease)

______:

Tiny disease causing particles made up of genetic material & a protein coat
Survive & replicate inside the body only
Reproduce by taking over other cells & forcing them into make new virus
Colds, flu, measles, AIDs

______:

Tiny single-cell organisms
Harmful ones give off poisons, other damage cells
TB, tetanus, sinus infections

______:

Organism that absorbs & uses nutrients of living/dead organisms
Athlete’s foot & ringworm

______:

Single-celled, microscopic organisms
Larger & more complex than bacteria
Malaria

______:

Animal parasites which gets their energy from living things
Head lice, tape worm, some roundworms

How are C.D. Spread?

______contact

______contact

______transmission

Taking Precautions

You can take steps to prevent infection

Wash your ______with ______water & ______

~______you eat, after using the ______, after touching ______, after you ______,……

Protect yourself from vectors

~Limit outside time during ______, avoid ______bites, use insect repellent, avoid ______birds

Avoid sharing ______item

Handle ______properly

Eat well & exercise

______drugs, tobacco & alcohol

Abstain from ______contact

______your mouth when you sneeze

How Are C.D. Treated?

Bacteria:

______

Viral:

Concentrate on ______symptoms & ______production

Fungal:

Treat with over the counter ______medication

Protozoan:

______the best, see doctor & take ______medicines

Parasitic:

Treat with ______shampoo & ______

How Your BodyFights Diseases

Physical & Chemical Barrier

~______& ______

The Immune System

~made up of certain types of blood cells & proteins called ______

~Inflammatory Response

reaction to injuries or infections that’s characterized by ______, redness, ______

~Specific defenses

Immune ______, ______, immune system ______