The Shapes and the Thickness of the Walls of the Right

question 26

Multiple Choice

The shapes and the thickness of the walls of the right ventricle compared to the left are _ .

• A) different: L ventricle is pocket-shaped (crescent in cross section) with thicker walls
• B) identical
• C) different: R ventricle is egg-shaped (round in cross section) with thinner walls
• D) different: L ventricle is egg-shaped (round in cross section) with thicker walls

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Definitions:

Reality Principle

A psychoanalytic concept suggesting that the ego seeks to satisfy the id’s desires in realistic and socially appropriate ways, taking into account the external world.

Pleasure Principle

In psychoanalytic theory, the instinctual seeking of pleasure and avoidance of pain to satisfy biological and psychological needs.

Ego

In psychoanalytic theory, the part of the personality that mediates demands between the id, superego, and reality; operates on the reality principle.

Oral Stage

A phase in Freudian psychosexual development where an infant's pleasure centers are in the mouth, leading to behaviors like sucking and biting.