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jayqueen jayqueen
wrote...
Posts: 327
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6 years ago
Which statement is true regarding active immunity?
 
  1. Only active immunity processes respond to antigens.
  2. Once acquired, active immunity lasts for the life of the host.
  3. Active immunity occurs in response to a pathogen.
  4. Most individuals are born with active immunity.
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Replies
wrote...
6 years ago
Correct Answer: 3
Rationale 1: Both types of immunity respond to antigens.
Rationale 2: Active immunity might require a booster.
Rationale 3: Active immunity occurs in response to a pathogen.
Rationale 4: Most individuals are born with some passive immunity. Active immunity requires exposure to disease.
Global Rationale: The type of response induced by the real pathogen, or its vaccine, is called active immunity. During this response the body produces its own antibodies in response to exposure. Whereas some vaccinations are needed only once, most require follow-up doses, known as boosters, to provide prolonged protection. Passive immunity occurs when preformed antibodies are transferred or donated from one person to another. Most individuals are born with some passive immunity. Both types of immunity respond to antigens.
jayqueen Author
wrote...
6 years ago
Thank you for always stepping in by helping me with my homework
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