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WorksheetsDISEASE & IMMUNITY PART 2
Total questions: 15
Worksheet time: 8mins
What is the primary function of your immune system?
to create organelles
to protect your body from pathogens
to aid in blood circulation
to protect your bones and muscles
What is a common feature of both active and passive immunity?
They are acquired by vaccination.
They are always short-term.
They involve the activity of memory cells.
They involve antibodies.
Which statement about antibodies is correct?
Breast milk contains antibodies and protects babies by giving them active immunity.
Injections of antibodies give passive immunity against the disease scurvy.
Insect repellents contain antibodies and give mosquitoes passive immunity against malaria.
Injections of antibodies give passive immunity against some pathogens.
What happens when a child is vaccinated against tuberculosis?
type of immunity: active, production of memory cells: no
type of immunity: active, production of memory cells: yes
type of immunity: passive, production of memory cells: no
type of immunity: passive, production of memory cells: yes
The antibodies that give immunity to a disease can be acquired in the following different ways.
1. feeding on breast milk.
2. infection by disease.
3. vaccination.
Which give active immunity?
1 and 2 only
1 and 3 only
2 and 3 only
1,2 and 3
Which row describes the features of passive immunity?
A
B
C
D
What is not a consequence of vaccination?
Antigens trigger an immune response.
Antibodies lock onto antigens.
Memory cells are produced.
Phagocytes produce antibodies.
How does passive immunity differ from active immunity? In passive immunity ......
antibodies are produced by lymphocytes.
immunity depends on vaccination.
immunity is specific to one type of antigen.
no memory cells are produced.
Which row describes active immunity?
A
B
C
D
Which blood component is destroyed in people who are HIV positive?
lymphocytes
phagocytes
platelets
red blood cells
What is a consequence of HIV infection on the human body?
decreased lymphocyte numbers
increased protection against bacterial infection
increased haemoglobin production
sickle anaemia
WHICH OF THE FOLLOWING STATEMENT IS TRUE
NATURAL ACTIVE IMMUNITY IS ACQUIRED WHEN INDIVIDUAL GIVEN A VACCINE INJECTION
NATURAL PASSIVE IMMUNITY IS ACQUIRED THROUGH ANTISERUM INJECTION
ARTIFICIAL ACTIVE IMMUNITY IS ACQUIRED WHEN AN INDIVIDUAL RECOVERS FROM AN INFECTION
ARTIFICIAL PASSIVE IMMUNITY IS ACQUIRED THROUGH AN ANTISERUM INJECTION
WHICH STATEMENT IS TRUE?
ANTISERUM INJECTION GIVE IMMEDIATE PROTECTION BUT ONLY FOR A SHORT PERIOD OF TIME
ANTISERUM INJECTION IS EXAMPLE OF NATURAL ACTIVE IMMUNITY
VACCINATION IS EXAMPLE OF ARTIFICIAL PASSIVE IMMUNITY
HIV CAN BE TRANSMITTED BY FOLLOWING WAY EXCEPT
SHARING FOOD AND DRINK
TRANSFER OF BODY FLUID SUCH AS BLOOD AND SEMEN
DURING PREGNANCY
SHARING CONTAMINATED NEEDLE
There are so many ways we can practice to prevent transfer of pathogens except:
hygienic food preparation
Use hand sanitizers or wash hands after touch something
Rubbish bin should not be covered and let the waste in the bin for few days
Raw sewage should be treated before being released into environment
