Which of the following will result in active immunity?
None of the answers are correct
Antiserum administration
Vaccination
Breast feeding
The Correct Answer is C
A. None of the answers are correct is incorrect because one of the options does result in active immunity.
B. Antiserum administration involves the transfer of antibodies (passive immunity), not the activation of the immune system to produce its own antibodies.
C. Vaccination induces active immunity by stimulating the immune system to produce its own antibodies and memory cells in response to a weakened or inactivated pathogen (or its components). This prepares the body for future exposure to the actual pathogen.
D. Breast feeding provides passive immunity because the infant receives pre-formed antibodies from the mother through breast milk, but does not stimulate the infant's immune system to produce its own.
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Related Questions
Correct Answer is ["B","C"]
Explanation
A. The pertussis vaccine (also known as the whooping cough vaccine) is a bacterial vaccine, not a viral vaccine. It is designed to protect against Bordetella pertussis bacteria.
B. The polio vaccine is a viral vaccine that protects against the poliovirus, which causes polio.
C. The Varicella MMR refers to a combination vaccine that includes varicella (chickenpox), measles, mumps, and rubella. This is a viral vaccine as it protects against viral infections.So, Polio vaccine and Varicella MMR are viral vaccines.
Correct Answer is B
Explanation
A. GALT (Gut-associated lymphoid tissue) includes Peyer patches, which are found in the lining of the small intestine and play a key role in immune surveillance of the gut.
B. All of the answers are correct: Since all the listed options correctly relate to Peyer patches, the most comprehensive and correct choice is B.
C. MALT (Mucosa-associated lymphoid tissue) is a broader category that includes GALT as a subset, so Peyer patches are also part of MALT.
D. Peyer patches are part of the lymphatic system, contributing to the body's immune defense mechanisms.
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