Question

Vaccines are prepared from immune

• A. Vitamins
• B. Blood
• C. Serum
• D. Plasma

Answer 1

The correct option is D

Plasma

The correct option is D.

Explanation of correct option:

1. Plasma is a yellow-colored liquid that consists of ions, proteins, dissolved gases, and wastes of the blood.
2. It plays an important role in passively protecting the individual from the disease.
3. Plasma derived from infected people is composed of antibodies that help protect people from further infections of the same disease.

Explanation of incorrect options:

Option A:

1. Vitamins are the substances that help promote the growth and development of the individual and it does not involve in the defensive mechanism of the body.

Option B:

1. Blood is the fluid connective tissue of the body that helps carry metabolic waste and transport oxygen to all cells in the body.

Option C:

1. It is the liquid part of the blood that is devoid of all cells or proteins which are naturally present in the blood. Hence, it does not play any role in protection.

Final answer: Vaccines are made from immune plasma.