Uploaded by Christian Lorenz

Blood and immunity take home quiz

advertisement
Science 30 – Blood and Immunity take-home quiz
Answer questions as completely as possible: you will need to use your notes, the textbook, and a little bit of on-line
searching!
1. The formed portion of blood contains three kinds of cells: name them and explain their function (3 marks)
Cell
Function
2. Explain how a blood clot forms. (2 marks)
3. Match the immune cell with its function. (3 marks)
Immune Cell
i. Killer T cell
ii. Suppressor T cell
iii. Macrophage
iv. B-cell
v. Memory T cell
Function
Match
Engulfs disabled pathogens or other dead cells
Secretes antibodies
Detects and directly destroys infected cells
Keeps a copy of successful antibodies for later use
Reduces immune system activity after infection is cleared
4. Explain how the polio vaccine causes lasting immunity to the polio virus. (4 marks)
5. You accidentally step on a push pin and it punctures your skin, allowing a PATHOGENIC bacteria into your
body. Outline the steps involved in the immune response. (4 marks)
Science 30 – Blood and Immunity take-home quiz
6. 2 populations of mice are infected with a pathogen and their blood is tested for immune system activity by
counting white blood cells present.
White blood cell count
Mouse
Before infection
1 day after
3 days after
6 days after
A (Normal)
15
30
35
15
B (Mutant)
15
35
40
45
Compare the mutant mouse to the normal mouse – suggest a reason for its abnormal immune system
response. (3 marks)
7. Explain what an AUTOIMMUNE DISEASE is: why do they happen? Include an example. (3 marks)
Download
Random flashcards
Arab people

15 Cards

Radiobiology

39 Cards

Radioactivity

30 Cards

African nomads

18 Cards

Ethnology

14 Cards

Create flashcards