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Communicable Diseases

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by

Kevin Ongtengco

on 19 September 2016

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Transcript of Communicable Diseases

Outbreak!!!

Pg. 620-645
What are Communicable Diseases? Pp.622-626
-disease that is spread from one living thing to the next





-Knowing how they spread can help protect you!
Causes of communicable diseases
P thogen
WHAT
IS
a
an organism that causes disease
Virus
Bacteria
Fungus
- condition that occurs when pathogens enter the body, multiply, and damage cells
Infection
disease occurs when the body
cannot fight off the infection
Causes Include:
Viruses
Bacterias
Fungi
VIRUS
pieces of genetic material surrounded by a protein coat
Invades all forms of LIFE
needs living cells to reproduce
a virus penetrates a cell, reproduces, ruptures the cell usually killing it and invades other cells
Bacteria
single-cell microorganisms that LIVE everywhere on earth
Some are
Some are
Some produce - a substance that kills cells or interferes with their function
toxins
Harmless
Essential
Immune system
kills most bacteria
Antibiotics
are used to kill bacteria
Z-Pak Penicillin
Other Pathogens
: plant-like organism like mold or yeast.
Fungi
What are some examples?
: single-celled organism that is more complex than bacteria

: pathogens that resemble bacteria. The invade cells and are usually passed by insect bites
Protozoan
Rickettesias
malaria
jokes
ACTIVITY = WOOOO!!!
How Communicable Diseases are Transmitted
Direct Contact
Indirect Contact
Airborne Transmission
Contact with infected person, animal, or object in the environment
touching
biting
kissing
Sexual contact
Sneezing
Coughing
Mother to Unborn Child
Kissing your bf/gf when they're sick.... are you serious?
Sometimes you don't have to be near an infected person to get sick.

objects like door handles, tables, bathrooms, phones, and desks can become contaminated if an ill person touches them.
Contaminated
Vectors
Water and Food
mosquito or ticks
can carry and infect people
can carry
pathogens
unseen
s n e e z e a c t i v i t y
Pathogens from a SNEEZE or COUGH may float in the air
chicken pox, flu, and TB can all be transmitted through the air
Strategies for Preventing Diseases
Wash your hands well and often.
What are some of the items you can come in contact with daily where you should wash your hands?
Handle food properly…we will talk more about that later!
Use bug spray during peak seasons.
Avoid unnecessary contact with the ill
Eat a balanced diet and exercise
Abstinence from sexual activity
Manage

stress
Communicable Diseases
Immune System - a network of CELLS, tissues, organs, and chemicals that fight off infection
Physical and Chemical Barriers
What is the first line of defense the body has?
Skin-
very few pathogens can penetrate the tough, outer skin
Tears and saliva

Mucous Membranes

Cilia

Gastric Juice
have enzymes that destroy pathogens

Produce mucous to trap pathogens

small hair-like projections that help trap mucous

stomach acid kills most pathogens entering
through the nose or mouth
Care of the Immune System
Good diet and plenty of water
Get plenty of sleep
Exercise daily
Avoid sharing items [towels, makeup, and toothbrushes]
Avoid ATOD
Avoid sexual contact [HIV destroys the immune system]
Get your shots
Vaccines


today, vaccines prevent diseases that used to kill
millions
of people

some vaccines have to be redone with time, Tetanus Shots!

Keep up to date with all vaccines or you could
hurt
yourself or others!

There are many laws governing vaccines
Vaccines

help the


ENTIRE WORLD
Antibiotics use/MISUSE


Antibiotics are becoming less effective!!!
1. Over Prescribed by Doctors
2. Doctors prescribe them for Virus
3. We ingest them in our food
4. Misuse
ex: Cause of Common Cold and Flu
Our body's defense system
Drug Effects
Side Effect
- an effect that is not intended
Synergistic Interaction
- combining two or more drugs and it
increase the effects
Antagonistic
- combining two or more drugs and the
effect of one drug cancels or masks the
effect of the other
Full transcript