Which of the Following Statements Regarding the Precision of Locating

question 98

Multiple Choice

Which of the following statements regarding the precision of locating a somatic stimulus is FALSE?

• A)The precision is greater in areas of the body that have small,overlapping receptive fields than in areas with large,nonoverlapping receptive fields.
• B)The precision is greater in the lips and fingers than on the back.
• C)The precision is greater for the skin than for the internal organs.
• D)Lateral inhibition of parallel afferent pathways increases the precision of locating a stimulus.
• E)Convergence of afferent neurons onto common ascending pathways increases acuity.

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Definitions:

Ventilation-Perfusion Coupling

The coordination between the air flow in the lungs (ventilation) and the blood flow in the circulatory system (perfusion), essential for efficient gas exchange.

Alveoli

Tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide occurs, crucial for breathing and systemic respiration.

Blood Flow

The continuous circulation of blood through the cardiovascular system, delivering oxygen and nutrients to and removing waste products from tissues.

Reticular Fibers

Fine, threadlike fibers in connective tissue that form a network around various cells and support the tissue structure.