Which of the Following Is a Characteristic of the Blood-Brain

question 13

Multiple Choice

Which of the following is a characteristic of the blood-brain barrier?

• A) it is a single-walled physical barrier
• B) gap junctions bind the endothelial cells in the capillary walls together
• C) there are neurally controlled pores in the capillary walls
• D) there are layers of cells including astrocytes that serve as a secondary barrier

Examine the effects of economic cycles on investment levels.

Understand the concept of deindividuation and its effects on individual behavior within groups.

Comprehend the theory of social facilitation and how the presence of others can impact performance on tasks.

Recognize the effect of group dynamics on individual effort, including social loafing and its implications.

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Definitions:

Exchange Theory

A sociological and psychological theory that analyzes social interactions as transactions where individuals seek to maximize rewards while minimizing costs.

Dramaturgical Analysis

Dramaturgical analysis is a perspective in sociology that interprets social interactions as if they were part of a theatrical performance, where individuals manage impressions in front of others.

Rational Choice Theory

A framework in social sciences that explains individual behavior as the outcome of rational decisions made by individuals aiming to maximize their benefits and minimize their costs.

Exchange Theory

A social psychological and sociological perspective that explains social change and stability as a process of negotiated exchanges between parties.