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