The Concrete Operational Stage of Cognitive Development Lasts from Approximately

question 110

Multiple Choice

The concrete operational stage of cognitive development lasts from approximately

• A)birth to age 2.
• B)age 2 to 7.
• C)age 7 to 11.
• D)age 11 onward.

---

Definitions:

Fibrinogen

A plasma protein produced by the liver, crucial for blood clotting as it is converted into fibrin in the clotting process.

Plasma Component

The liquid part of blood that carries cells and proteins throughout the body, consisting mainly of water, electrolytes, and proteins.

Plasma

The liquid component of blood, in which blood cells are suspended.

Serum

The component of blood that remains after clotting has removed the blood cells and clotting proteins, containing antibodies and other proteins.