Children at the Age of _____ Can Count but Have

question 125

Multiple Choice

Children at the age of _____ can count but have no idea whether 3 is bigger than 5 or 5 is bigger than 3.

• A) 2 years
• B) 3 years
• C) 4 years
• D) 5 years

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Definitions:

Rheumatoid Factor

An antibody found in the blood that is a common indicator of rheumatoid arthritis.

Autoantibody

An antibody produced by the immune system that mistakenly targets and attacks the body's own tissues or cells.

Phagocytosis

The process by which cells, especially immune cells, engulf and digest foreign particles or pathogens.

Antigens

Substances that the immune system recognizes as foreign or dangerous, triggering an immune response.