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Which of the following types of immunity is acquired as a result of having the disease?

A.

Natural passive

B.

Artificial passive

C.

Natural active

D.

Artificial active

Answer and Explanation

The Correct Answer is C

A. Natural passive immunity occurs when antibodies are passed from mother to child, either during pregnancy or through breast milk. This is not related to having the disease. 

B. Artificial passive immunity is the transfer of antibodies from an external source, such as through antibody-containing blood products, to provide immediate protection against a disease. 

C. Natural active immunity is acquired when an individual is exposed to a pathogen and the immune system responds by producing antibodies and memory cells. This type of immunity occurs after contracting the disease. 

D. Artificial active immunity is gained through vaccination, where a person is exposed to a harmless form of the pathogen (such as inactivated or attenuated form), prompting the immune system to create a defense without causing illness.


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Related Questions

Correct Answer is D

Explanation

A. An increased pulse is a later symptom of dehydration, as the body attempts to maintain blood pressure and circulation when fluid levels are low.

B. Poor skin turgor is a sign of more advanced dehydration and is usually detected when skin remains tented after being pinched.

C. Decreased urinary output typically occurs as dehydration progresses and the body conserves water, but it is not usually the first sign.

D. Thirst is one of the earliest and most common symptoms of dehydration, as the body signals the need for water intake to restore fluid balance. This is the correct answer.

Correct Answer is A

Explanation

A. The plasma membrane, also known as the cell membrane, surrounds the cell and encloses the cytoplasm. It acts as a barrier, controlling the movement of substances in and out of the cell.

B. The Golgi apparatus is an organelle that modifies, sorts, and packages proteins and lipids for transport, but it does not enclose the cytoplasm.

C. The endoplasmic reticulum is involved in the synthesis of proteins and lipids within the cell but does not enclose the cytoplasm.

D. The flagellum is a tail-like structure that helps some cells move but does not enclose the cytoplasm.

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