The Oxygen-Carrying Component in Red Blood Cells Is

question 17

Multiple Choice

The oxygen-carrying component in red blood cells is

• A) hemoglobin.
• B) bicarbonate ions.
• C) iron atoms freely floating in the blood plasma.
• D) the cell membrane.

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Definitions:

Phallic Stage

In psychoanalytic theory, the stage of psychosexual development from about 4 to 7 years of age in which the physical focus of the libido is the penis (for boys) and its absence (for girls).

Latency Period

A stage in psychosexual development, proposed by Freud, occurring from about age six to puberty, characterized by a decrease in sexual interest and activity.

Psychosexual Stages

Freud's theory on the stages of psychological development in childhood, each associated with a different erogenous zone.

Anal Stage

In psychoanalytic theory, the stage of psychosexual development, from about 18 months to 3 or 4 years of age, in which the physical focus of the libido is located in the anus and associated eliminative organs.