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 D
Explanation
A. Oxygen delivery to tissues is the primary function of the circulatory system, not the lymphatic system.
B. Thermoregulation is primarily carried out by the circulatory system and other mechanisms like sweating, not the lymphatic system.
C. The transport of absorbed amino acids from the intestine to the liver is a function of the circulatory system, specifically through the hepatic portal vein, not the lymphatic system.
D. The lymphatic system is involved in the absorption of digested fats through specialized lymphatic capillaries called lacteals in the small intestine. These lacteals absorb fats and transport them into the lymphatic circulation.
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.
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