IB Biology Topic 6.3 Question Preview (ID: 30182)
Defense Against Disease.
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What is a pathogen?
a) any organism that causes disease, such as a bacterium or fungus.
b) any bacteria that cause disease
c) Only parasites of the gut
d) Only viruses
What does HIV stand for?
a) Human immune defense virus
b) Human immunodeficiency virus
c) Human interleukin virus
d) Human immune cell virus
What do we call a chemical that kills or inhibits growth of bacteria by deregulation of metabolic pathways.
a) Antibody
b) Antigen
c) Antibiotic
d) Phagocyte
What do we call an antigen-binding protein produced by B-cells.
a) Antibody
b) Antigen
c) Antibiotic
d) Antiseptic
General name for red blood cells
a) Leukocytes
b) Phagocytes
c) Erythrocytes
d) Neutrophils
General name for white blood cells
a) Leukocytes
b) Erythrocytes
c) Neutrophils
d) Phagocytes
What does AIDS stand for
a) Acquired Immune Deficiency Syndrome
b) Acquired Iso Deficiency Syndrome
c) Acquired Immune Defense Syndrome
d) Actual Immune Deficiency Syndrome
Which people were involved in the testing of penecillin?
a) Meselson and Stahl
b) Davson and Danielli
c) Florey and Chain
d) Watson and Crick
Which cells produce antibodies?
a) Neutrophils
b) Erythrocytes
c) Leukocytes
d) Lymphocytes
Who first discovered penecillin?
a) Pasteur
b) Fleming
c) Florey and Chain
d) Harvey
What is the name of the cell that engulfs pathogens?
a) Lymphocytes
b) Erythrocytes
c) Neutrophils
d) Phagocytes
Which cells produce antibodies?
a) Phagocytes
b) Lymphocytes
c) Neutrophils
d) Erythrocytes
Which of the following is NOT a method of protection
a) Layers of the skin
b) Mucous membranes
c) Body hair
d) Lactic acid making skin acidic
By what method do phagocytes ingest pathogens?
a) Phagocytosis (a form of endocytosis)
b) Phagocytosis (a form of exocytosis)
c) Active transport
d) Protein channels
When a pathogen enters the body its surface antigens bind to the surface of a...
a) monocyte
b) neutrophil
c) lymphocyte
d) basophil
The fancy name for a blood clot in the coronary artery of the heart is
a) coronary plaque
b) coronary thrombosis
c) thrombosis
d) cardiac plaque
When a pathogen enters the body, it surface antigens bind with antibodies presented on...
a) lymphocytes
b) basophils
c) neutrophils
d) monocytes
Cells that 'remember' the pathogen from a previous infection are called...
a) T lymphocytes
b) B lymphocytes
c) memory cells
d) antibodies
The particular lymphocyte that can make the 'right' antibody for a particular pathogen is cloned by which process?
a) Mitosis
b) Meiosis
c) Cytokinesis
d) Anaphase
From which part of the blood are clotting factors released?
a) Erythrocytes
b) Plasma
c) Platelets
d) Leukocytes
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