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IB Biology Topic 6.3
Test Description: Defense against disease
Instructions: Answer all questions to get your test result.
1) What is a pathogen?
A
Only viruses
B
Only parasites of the gut
C
any bacteria that cause disease
D
any organism that causes disease, such as a bacterium or fungus.
2) What does HIV stand for?
A
Human immunodeficiency virus
B
Human immune defense virus
C
Human immune cell virus
D
Human interleukin virus
3) What do we call a chemical that kills or inhibits growth of bacteria by deregulation of metabolic pathways.
A
Phagocyte
B
Antigen
C
Antibiotic
D
Antibody
4) What do we call an antigen-binding protein produced by B-cells.
A
Antibiotic
B
Antiseptic
C
Antigen
D
Antibody
5) General name for red blood cells
A
Leukocytes
B
Erythrocytes
C
Neutrophils
D
Phagocytes
6) General name for white blood cells
A
Erythrocytes
B
Phagocytes
C
Leukocytes
D
Neutrophils
7) What does AIDS stand for
A
Acquired Immune Defense Syndrome
B
Actual Immune Deficiency Syndrome
C
Acquired Immune Deficiency Syndrome
D
Acquired Iso Deficiency Syndrome
8) Which people were involved in the testing of penecillin?
A
Watson and Crick
B
Davson and Danielli
C
Florey and Chain
D
Meselson and Stahl
9) Which cells produce antibodies?
A
Neutrophils
B
Lymphocytes
C
Erythrocytes
D
Leukocytes
10) Who first discovered penecillin?
A
Pasteur
B
Harvey
C
Fleming
D
Florey and Chain
11) What is the name of the cell that engulfs pathogens?
A
Erythrocytes
B
Phagocytes
C
Lymphocytes
D
Neutrophils
12) Which cells produce antibodies?
A
Neutrophils
B
Erythrocytes
C
Lymphocytes
D
Phagocytes
13) Which of the following is NOT a method of protection
A
Body hair
B
Mucous membranes
C
Layers of the skin
D
Lactic acid making skin acidic
14) By what method do phagocytes ingest pathogens?
A
Protein channels
B
Active transport
C
Phagocytosis (a form of endocytosis)
D
Phagocytosis (a form of exocytosis)
15) When a pathogen enters the body its surface antigens bind to the surface of a...
A
lymphocyte
B
basophil
C
monocyte
D
neutrophil
16) The fancy name for a blood clot in the coronary artery of the heart is
A
coronary thrombosis
B
coronary plaque
C
cardiac plaque
D
thrombosis
17) When a pathogen enters the body, it surface antigens bind with antibodies presented on...
A
basophils
B
neutrophils
C
monocytes
D
lymphocytes
18) Cells that 'remember' the pathogen from a previous infection are called...
A
memory cells
B
antibodies
C
T lymphocytes
D
B lymphocytes
19) The particular lymphocyte that can make the 'right' antibody for a particular pathogen is cloned by which process?
A
Anaphase
B
Meiosis
C
Mitosis
D
Cytokinesis
20) From which part of the blood are clotting factors released?
A
Erythrocytes
B
Platelets
C
Plasma
D
Leukocytes
*select an answer for all questions
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