We Can Localize Sensations That Originate in Different Areas of the Body

question 56

Multiple Choice

We can localize sensations that originate in different areas of the body because

• A) sensory neurons carry only one modality.
• B) sensory neurons from specific body regions project to specific cortical regions.
• C) incoming sensory information is first processed by the thalamus.
• D) different types of sensory receptors produce action potentials of different sizes and shapes.
• E) of the many types of tactile receptors.

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Definitions:

Body Cavities

Spaces within the body that contain vital organs, such as the thoracic, abdominal, and cranial cavities.

Parietal Peritoneum

The portion of the peritoneum that lines the abdominal and pelvic cavity walls, as opposed to covering the organs.

Serous Membrane

A thin membrane that lines the internal body cavities and secretes a lubricating fluid, allowing organs to move smoothly against each other.

Abdominal Organs

Internal organs located within the abdomen, including the stomach, liver, gallbladder, kidneys, and intestines.