A Combining Form That Mean Lens Is

question 57

Multiple Choice

A combining form that mean lens is

• A) kerat/o
• B) dacry/o
• C) phac/o
• D) phot/o

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Definitions:

Ego

In Freud’s theory, the logical, rational, largely conscious system of personality, which operates according to the reality principle.

Psychic Energy

A concept in psychoanalytic theory referring to the force or drive within individuals that motivates them to seek pleasure and avoid pain.

Id

In psychoanalytic theory, the part of the mind in which innate instinctive impulses and primary processes are manifest.

Libido

A term often used in psychoanalytic theory to denote the energy of the sexual drive as a component of the life instinct.