THE HUMAN IMMUNE SYSTEM
TYPES OF IMMUNITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You produce your own antibodies to a disease
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You are immune to any type of disease
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You are given antibodies to a disease
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Macrophages invade your lymphatic system and shield you from ever falling sick
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Detailed explanation-1: -Passive immunity is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system. A newborn baby acquires passive immunity from its mother through the placenta.
Detailed explanation-2: -A type of immunity that occurs when a person is given antibodies rather than making them through his or her own immune system. For example, passive immunity occurs when a baby receives a mother’s antibodies through the placenta or breast milk.
Detailed explanation-3: -Passive immunity can occur naturally, such as when an infant receives a mother’s antibodies through the placenta or breast milk, or artificially, such as when a person receives antibodies in the form of an injection (gamma globulin injection).
Detailed explanation-4: -Immunoglobulin G (IgG) is the only antibody isotype that can pass through the human placenta, and is the most common antibody of the five types of antibodies found in the body. IgG antibodies protects against bacterial and viral infections in fetuses.
Detailed explanation-5: -Passive Immunity in Bacteria One threat to bacteria is antibiotics. Antibiotics work in different ways to destroy bacterial DNA or deprive bacteria of a food source. If one bacteria can produce a mutation that counteracts the antibiotic, it will be able to reproduce many times.