Download BioKnowledgy Quick Quiz on Defence against infectious disease (6.3)

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Transcript
BioK Quick Quiz on Defence against infectious disease (6.3)
BioKnowledgy Quick Quiz on Defence against infectious disease (6.3)
[12 marks]
1.
Which term describes a molecule capable of triggering an immune response?
A.
Antibody
B.
Antigen
C.
Pathogen
D.
Antibiotic
(Total 1 mark)
2.
What does the nucleus of a human lymphocyte contain?
A.
Only the genes to produce a specific antigen
B.
Only the genes to produce a range of antibodies
C.
Only the genes that control the growth and development of a lymphocyte
D.
The whole genetic information for a human
(Total 1 mark)
3.
A blood clot forms around a fibrous network of protein. What is the protein?
A.
Fibrinogen
B.
Fibrin
C.
Thrombin
D.
Thrombokinase
(Total 1 mark)
4.
What are two effects of HIV on the immune system?
A.
Reduction in antibody production and increase in active lymphocytes
B.
Increase in antibody production and decrease in red blood cells
C.
Reduction in antibody production and decrease in active lymphocytes
D.
Increase in antibody production and increase in red blood cells
(Total 1 mark)
https://bioknowledgy.wikispaces.com/
(Chris Paine)
BioK Quick Quiz on Defence against infectious disease (6.3)
5.
HIV was discovered in 1981 and is now one of the most serious causes of disease in the world. It
causes the immune system to fail, leaving the patient vulnerable to other infections.
(a)
Discuss how the HIV virus is transmitted.
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(2)
(b)
Explain why antibiotics are ineffective against viruses.
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(2)
6.
Describe how phagocytic leucocytes may act as a defence against disease.
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(4)
https://bioknowledgy.wikispaces.com/
(Chris Paine)