
Immunity A2
Authored by H GRAHAM
Biology
11th Grade
Used 1+ times

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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the first line of defence of the human body against pathogens?
To try and prevent entry of microorganisms
To produce antibodies immediately
To destroy all cells in the infected area
To increase body temperature
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a non-specific defence mechanism?
Phagocytosis
Antibody production
Memory cell formation
Vaccination
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of the specific immune response?
It is immediate and non-selective
It is tailored to the specific pathogen
It only involves skin and mucous membranes
It does not involve lymphocytes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain why the specific immune response tends to provide long-term immunity, while the non-specific response does not.
Because the specific response involves lymphocytes and memory cells, which remember the pathogen for future responses, while the non-specific response does not create memory.
Because the non-specific response is faster and more effective.
Because the specific response only targets bacteria.
Because the non-specific response uses antibodies.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which substance in the stomach acts as a sterilising agent by killing many bacteria that come in with food?
Lysozyme
Hydrochloric acid
Mucus
Bile
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does lysozyme help protect the body from infection?
By clotting blood
By hydrolysing bacterial cell walls and bursting bacteria
By trapping micro-organisms in mucus
By producing antibodies
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
COUGHING, SNEEZING, and VOMITING are examples of which type of mechanism in the body?
Chemical barriers
Passive expulsion mechanisms
Active immune responses
Hormonal responses
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