In Which of the Following Planes and Around Which Axis

question 23

Multiple Choice

In which of the following planes and around which axis does flexion and extension occur?

• A)Transverse plane around a sagittal axis
• B)Sagittal plane around a frontal axis
• C)Frontal plane around a sagittal axis
• D)Horizontal plane around a vertical axis

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Definitions:

Nucleoplasm

Semifluid medium of the nucleus, containing chromatin.

Cytoplasm

The jelly-like substance within a cell, excluding the nucleus, that contains organelles, enzymes, and the cytoskeleton, providing a site for most cellular processes.

Peptidoglycan Cell Wall

The peptidoglycan cell wall is a rigid and supportive layer found in the cell walls of most bacteria, providing structural strength and protecting against osmotic pressure.

Nuclear Membrane

The lipid bilayer membrane which encloses the nucleus, separating its contents from the cytoplasm and regulating molecule passage.