Which of the Following Occurs in the First Stage of Sleep

question 74

Multiple Choice

Which of the following occurs in the first stage of sleep?

• A)Short runs of rhythmical responses of 12 to 16 hertz
• B)An occasional sharp rise and fall in the amplitude of the entire EEG
• C)Less regular and lower amplitude brain waves
• D)A pattern of slow waves of 1 to 2 hertz

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Definitions:

Hairs

Filamentous biomaterials growing from the dermis of mammals, serving various functions including temperature regulation and sensation.

Placenta

An organ in mammals that develops during pregnancy, providing oxygen and nutrients to the fetus while removing waste products.

Fetal Membranes

The membranes that surround the developing fetus in the womb, including the amnion, chorion, and others, providing protection, nourishment, and waste removal.

Maternal Tissue

The tissue derived from the mother, particularly significant in plants and animals for providing nutrients to the offspring or embryo.