Transmission
What are the 3 modes of transmission of a disease?
direct, in-direct, vector
Symptoms:
Fever. Raised spots
with yellow tops.
Caused By:
Virus (Varicella zoster)
How is it Spread?
Direct contact with the fluid from a blister of a person infected with chickenpox, or coughing and sneezing
Seriousness;
Mild with rare complications
Vaccine available?
Yes
Chicken Pox
Name 5 examples of body systems
- nervous
- endocrine
- skeletal
- muscular
- circulatory
- immune
- digestive
- reproductive
What are the two components of the nervous system?
Central nervous system (CNS)
Peripheral nervous system (PNS)
Whats my favourite sport?
A mosquitto is an example of which time of transmission mode?
vector
Symptoms:
Common fungal skin infection between toes. Can also be found on the groin. Itchy, inflammed, flaky skin.
Caused By:
Fungi
How is it Spread?
Typically transmitted in moist areas where people walk barefoot, such as showers
Seriousness;
Mild
Vaccine available?
No. Topical antifungal creams available.
Athlete's foot
Define homeostasis
the ability of an organism to maintain stable internal conditions despite external changes.
Which system is responsible for secreting hormones throughout the body?
The endocrine system
Whats my favourite colour?
Green
If a town's drinking water supply is contaminated with a disease and spreads throughout the town, what type of tranmission mode is this?
In-direct transmission
Symptoms:
Raised red, scaly patch on
skin, with bumpy edges.
Itchy. Can be found
anywhere on body.
Caused By:
Fungi
How is it Spread?
Extremely contagious. It can be passed by direct skin to skin contact, or through contact with contaminated items such as a
hat, brush, towel, unwashed clothing, pool or shower surface, or even from an infected cat or dog.
Vaccine available?
No, but effective treatments are.
(creams) Also wear thongs in public
showers.
Ringwrom
What is the hierachy of the organisation of life?
•Cell:
•Tissue:
•Organ:
•System:
•Organism:
Name 3 types of receptors
mechanoreceptors
photoreceptors
thermoreceptors
chemoreceptors
Whats my favourite cuisine?
Thai food
What is the name given to any organism or agent that causes or can cause disease or illness to its host.
A pathogen
Symptoms:
Headache, chills, sweating, recurrent fever, muscle fatigue and pain, enlarged spleen and liver, nausea and vomitting and dry cough
Caused By:
Protozoa
4 species of Plasmodium
How is it Spread?
Anopheles mosquito is a vector.
(carrier of the disease)
Seriousness;
Serious overall 10% fatality rate
Vaccine available?
Preventative measures only at present. Vaccine being developed.
Malaria
Thermoregulation is an example of which type of feedback loop?
A negative feedback loop
The immune system creating memory cells and producing antibodies are examples of which line of defence?
the THIRD line of defence
True or False?
I am a fully qualified Science teacher
FALSE
I am not a fully qualified PE teacher... yet!
Name 4 examples of pathogens
Bacteria, viruses, fungi, protozoa, prions
Symptoms:
Enlarged tender lymph nodes, broken
tiny ,blood vessels, bloody diarrhea,
Chills, Fever, Severe headache, Rapid
heart rate, Nausea, Vomiting, Delirium.
Caused By: Bacteria
Yersinia pestis
How is it Spread?
Carried by fleas that bite infected rats
then humans.
Seriousness;
Kills 2 out of 3 infected persons unless
treated. (even then up to 15% still die)
Vaccine available?
NO, Vector control as prevention.
Bubonic Plague – Black Death
Caused “Black death” in Europe in the
14th century killing 25 million people (1/3
the population of Europe at the time)
Give the correct term to the following.
The body achieves homeostasis via feedback loops, where the _______ detects a change which sends a signal to the ________ ________ , which then coordinates a responce via the ____________.
receptor , control center, effector
What are 5 examples of the body's innate and non-specific responces to fight against infectious diseases?
Skin
Mucous
Saliva
Stomach
Vomiting
Tears
Diarrhea
Sweating
Hair
Whats my dogs name?
Ollie