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WorksheetsB3.1 human defence systems
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
What is the name of the body's defence system against diseases?
a)
The immune system
b)
The control system
c)
The vascular system
d)
The endocrine system
2.
What is the role of white blood cells?
a)
To transport oxygen around the body
b)
To protect the body against pathogens
c)
To produce pain killers
d)
To aid the clotting of the blood
3.
Who discovered Penicillin
a)
Marie Curie
b)
Charles Darwin
c)
Alexander Fleming
d)
Lord Kelvin
4.
What is the name of the white blood cell that ingests micoorganisms?
a)
Antitoxins
b)
Antigens
c)
Phagocytes
d)
Platelets
5.
What is the name of the part of the blood that aids clotting?
a)
Antitoxins
b)
Antigens
c)
Phagocytes
d)
Platelets
6.
What four types of pathogens are there?
a)
Bacteria, vector, fungi and protist
b)
Bacteria, virus, vector and protist
c)
Bacteria, virus, fungi and vector
d)
Bacteria, virus, fungi and protist
7.
What type of cell is a bacteria cell?
a)
Protist
b)
Vector
c)
Karyoke
d)
Prokaryotic
8.
What is meant by the term toxicity?
a)
Whether or not a drug can easily kill infectious pathogens
b)
Whether or not a drug harms our body cells
c)
How much of a drug is needed to kill you
d)
How much of a drug is needed to be effective
9.
What is meant by the term dose?
a)
Whether or not a drug can easily kill infectious pathogens
b)
Whether or not a drug harms our body cells
c)
How much of a drug is needed to kill you
d)
How much of a drug is needed to be effective
10.
What is meant by the term efficacy?
a)
Whether or not a drug can easily kill infectious pathogens
b)
Whether or not a drug harms our body cells
c)
How much of a drug is needed to kill you
d)
How much of a drug is needed to be effective
11.
What is a placebo?
a)
A form of therapy
b)
An effective drug
c)
A blind trial
d)
A fake drug
12.
What is the name of a drug trial where the patient and the doctor doesn't know which patients have the drug?
a)
Double bind trial
b)
Double blind trial
c)
Single blind trial
d)
Single bind trial
13.
What organism transports the protist pathogen between hosts and acts as a vector?
a)
A scalllwag
b)
A protist
c)
A mosquito
d)
None of the options
14.
An organism that spreads disease without directly causing it
a)
A protist
b)
A pathogen
c)
A vector
d)
A scalar
15.
How did we originally get drugs?
a)
By extracting them from plants
b)
Synthesised from chemicals in labs
c)
None of the answers given
d)
Both of the answers given
16.
How did we now get drugs?
a)
By extracting them from plants
b)
Synthesised from chemicals in labs
c)
None of the answers given
d)
Both of the answers given
17.
What drug was originally extracted from the willow tree?
a)
Aspirin
b)
Paracetamol
c)
Ibuprofen
d)
None of them
18.
Why does killing mosquitoes help prevent malaria?
a)
It stops the malaria pathogen being spread
b)
It doesn't
c)
Malaria is carried in ants as well as mosquitoes
d)
People with malaria attract mosquitoes
19.
Why are antibiotics given to farm animals?
a)
Farm animals carry viruses that are deadly for humans
b)
Antibiotics prevent outbreaks when many animals are kept in small spaces
c)
Antibiotics improve the flavor of meat
d)
Farmers are purposefully growing superbugs
20.
Which pathogen can be prevented with vaccines
a)
Virus
b)
Bacteria
c)
Fungi
d)
All of them
21.
Which pathogen can be treated with antibiotics?
a)
Virus
b)
Bacteria
c)
Fungi
d)
All of them
22.
A vaccine contains...
a)
cow pox
b)
an inactive strain of the pathogen
c)
a small amount of the pathogen
d)
small pox
23.
Which of the following is the body’s first line of defense against disease?
a)
vaccines
b)
white blood cells
c)
antibodies
d)
skin
24.
Which of the following pathogens is non-living?
a)
Bacteria
b)
Viruses
c)
Fungi
d)
Protists
25.
What does a vaccine do?
a)
produce toxins
b)
destroy pathogens
c)
use bacteria for food
d)
cause the body to make antibodies
26.
A tick, which can transmit a disease like Lyme, is an example of what?
a)
antigen
b)
antibody
c)
vector
d)
pathogen
27.
Why do doctors recommend taking all of an antibiotic even if symptoms are gone after a few days?
a)
you can get a new infection
b)
you are at risk for more infections
c)
you discourage growth of resistant pathogens
d)
you become immune
28.
What microorganism does an antibiotic like penicillin treat?
a)
virus
b)
bacteria
c)
fungi
d)
protist
29.
Widespread immunity that protects the population from the spread of disease is called
a)
pandemic
b)
cross-reactivity
c)
epidemic prophylaxis
d)
herd immunity
30.
What is one way a pathogen can enter the body?
a)
Nose
b)
Mouth
c)
Broken Skin
d)
All of the Above
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