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