Which of the Following Statements Are True

question 8

Multiple Choice

Which of the following statements are true?
I.Parasympathetic activity begins at sleep onset and continues throughout nonREM sleep
II.Somatic skeletal muscle tone is lowest during REM
III.Body temperature falls during REM sleep and increases during non REM sleep
IV.Urine production decreases during REM and non-REM sleep

• A) I, II, and IV only
• B) I, II, III, and IV
• C) I, III, and IV only
• D) I, II, and III only

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Definitions:

Adhesion Junctions

Specialized structures in cells that help in the binding of cells with each other or with the extracellular matrix.

Gap Junctions

Specialized intercellular connections that facilitate the direct transfer of ions and small molecules between the cytoplasms of adjacent cells.

Tight Junctions

Specialized connections between neighboring cells that create a barrier to prevent the leakage of molecules across cell layers.

Plasmodesmata

Microscopic channels allowing transport and communication between plant cells, enabling the sharing of water, nutrients, and biochemical signals.