Multiple Choice
What is the first link in the chain of infection?
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21. The Immune System
Introduction to the Immune System
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What are leukocidins?
A
Hormones that stimulate white blood cell production
B
Proteins that destroy white blood cells
C
Enzymes that break down red blood cells
D
Antibodies that target bacterial infections
Verified step by step guidance1
Understand the term 'leukocidins': Leukocidins are substances that have a specific function related to white blood cells.
Identify the nature of leukocidins: They are proteins, not hormones, enzymes, or antibodies.
Clarify the function of leukocidins: These proteins are known for their ability to destroy white blood cells.
Differentiate from other options: Hormones stimulate cell production, enzymes break down substances, and antibodies target infections, which are different from the destructive role of leukocidins.
Conclude with the correct definition: Leukocidins are proteins that destroy white blood cells, which is distinct from the other options provided.
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