Project #8733 - HEALTH

NO PLAGERISM

50% NO HIGHER THAN *80%

1 Define the term disease. Outline one difficulty encountered in formulating an accurate definition of disease. 

Definition ____________________________________________________________

_____________________________________________________________________

Difficulties ____________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

2 Outline two ways in which mitosis assists in the maintenance of health? 

(i)___________________________________________________________________

_____________________________________________________________________

(ii)___________________________________________________________________

_____________________________________________________________________ 

3 Define the term pathogen and provide an example of a macroscopic pathogen and a microscopic pathogen. 

Definition ____________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

Macroscopic pathogen __________________________________________________

Microscopic pathogen ___________________________________________________

4 Distinguish between infectious and non-infectious diseases. Give an example of each. 

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

5 Water supplies of most major cities and towns in Australia are treated before the water is piped to consumers. Outline one possible treatments used on domestic water supplies and explain how it reduces the risk of infection by pathogens. 

Treatment ____________________________________________________________

How the treatment reduces the risk of infection _______________________________

_____________________________________________________________________

_____________________________________________________________________

6 Koch developed a methodology that shows if a particular suspect pathogen is the cause of a given disease. Use point form to summarise the steps (in order) in Koch’s postulates. 

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

7 (a) Use carefully labelled diagrams and words to outline an experiment that could be performed to show that the microorganisms that cause food to spoil do not develop by spontaneous generation.

(b) If the microorganisms that cause food to spoil do not come from spontaneous generation, where do they come from? 

_____________________________________________________________________

_____________________________________________________________________

8 (a) Make a labelled diagram to show how an insect vector transmits malaria from one person to another. Your diagram should include the life cycle of the organism that transmits malaria. 

(b) Outline ways in which malaria can be treated, prevented and controlled. 

Treatment_____________________________________________________________

_____________________________________________________________________

Prevention____________________________________________________________

_____________________________________________________________________

Control_______________________________________________________________

_____________________________________________________________________

9 Choose one named infectious disease caused by a virus, bacterium, or fungus and complete the following table with reference to your chosen disease.  

Name of disease;

Cause of disease;

(use scientific name)

Method of transmission;

Host response;

Major symptoms;

Treatment;

Prevention;

Control;

10(a) Antibiotics were developed to kill bacteria. However over time many bacteria have become resistant to antibiotics. Briefly explain how bacteria develop antibiotic resistance. 

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

(b) Are antibiotics effective in the control of a virus? Explain why or why not. 

_____________________________________________________________________

_____________________________________________________________________

11 (a) What is the cause of prion diseases? Name one example of a prion disease. 

_____________________________________________________________________

_____________________________________________________________________

(b) Outline one method by which prion diseases can be transmitted. 

_____________________________________________________________________

_____________________________________________________________________

12 Briefly outline the distinguishing features of fungi and name one fungal disease. 

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

Subject Science
Due By (Pacific Time) 07/12/2013 06:00 am
Report DMCA
TutorRating
pallavi

Chat Now!

out of 1971 reviews
More..
amosmm

Chat Now!

out of 766 reviews
More..
PhyzKyd

Chat Now!

out of 1164 reviews
More..
rajdeep77

Chat Now!

out of 721 reviews
More..
sctys

Chat Now!

out of 1600 reviews
More..
sharadgreen

Chat Now!

out of 770 reviews
More..
topnotcher

Chat Now!

out of 766 reviews
More..
XXXIAO

Chat Now!

out of 680 reviews
More..
All Rights Reserved. Copyright by AceMyHW.com - Copyright Policy