Why Do the Authors Think That a Fifth Stage of Cognitive

question 3

Multiple Choice

Why do the authors think that a fifth stage of cognitive development not identified by Piaget occurs in later adolescence?

• A) the emergence of increased sexual activity at that time
• B) the importance of modern forms of education
• C) the presence of a brain-growth spurt at that time
• D) the increased ability to learn a foreign language at that time

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Definitions:

Natural Killer Cells

Immune cells that play a crucial role in the destruction of infected or cancerous cells without prior sensitization.

Specific Antigen

A particular substance that the immune system recognizes and responds to, often triggering an immune response.

Pathogens

Microorganisms or viruses that can cause disease in their host, including bacteria, viruses, fungi, and parasites.

Phagocytosis

Phagocytosis is a cellular process in which cells engulf and digest large particles or microorganisms, important in the immune response and in removing pathogens and cell debris.