In an Experiment,rats' Ovaries Were Removed Immediately After Impregnation and Then

question 68

Multiple Choice

In an experiment,rats' ovaries were removed immediately after impregnation and then the rats were divided into two groups.Treatments and results are summarized in the table.The results most likely occurred because progesterone exerts an effect on the

• A)general health of the rat.
• B)size of the fetus.
• C)metabolism of the uterus.
• D)gestation period of rats.
• E)number of eggs fertilized.

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Definitions:

Negative Thinking

A cognitive process characterized by pessimistic attitudes and expectations about oneself or the world.

Hopeless Style

An individual's tendency to perceive negative events as unavoidable and unchangeable, leading to feelings of despair.

Bipolar Disorder

A mental disorder characterized by periods of elevated mood (mania) and periods of depression, affecting a person’s energy level and ability to function.

Prefrontal Cortex

A region of the brain associated with decision making, cognitive behavior, personality expression, and moderating social behavior.