Disease And Antibodies

Question 1

What is the definition of disease?

Answer 1

“A disease is an abnormal condition/disorder that can affect either all or part of an organism”

Question 2

How can diseases be spread?

Answer 2

Droplets
Airborne
Direct contact
Indirect contact
Fecal-Oral

Question 3

What is the bodies first line of defence?

Answer 3

Barrier

Question 4

What are some examples of the body’s first line of defence?

Answer 4

Skin
Stomach acid
Mucus

Question 5

What is the second line of defence?

Answer 5

Its a non-specific approach to destroying microorganisms using macrophage (white blood cells)

Question 6

How does the second line of defence work?

Answer 6

Viruses are absorbed by the white blood cell
Enzymes then break down the virus
Waste material is then ejected.

Question 7

What is the last line of defence?

Answer 7

Antibodies produced by our white blood cells

Question 8

What are some pros and cons of the third line of defence?

Answer 8

Antibodies are incredibly effective
A new type is required every time the outer proteins mutate

Question 9

What are antibiotics used for?

Answer 9

Antibiotics are used to treat or prevent some types of bacterial infection. They kill bacteria or prevent them from reproducing and spreading.

Question 10

What are some pros and cons of antibiotics?

Answer 10

Pros:
Highly effective
Easy to administer
Not many side effects

Cons:
People can be allergic
They are overused
Bacteria may be immune