Bell's Palsy Is a Sudden, Usually Temporary Loss of Muscle

question 39

Multiple Choice

Bell's palsy is a sudden, usually temporary loss of muscle tone on one side of the face due to damage of the facial nerve. What neurons are likely affected in this disorder?

• A) lower motor neurons in the brain stem
• B) lower motor neurons in the spinal cord
• C) sensory neurons in the thalamus
• D) neurons in the basal nuclei

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Definitions:

Convergent Boundary

A tectonic boundary where two plates are moving towards each other, often resulting in mountain building, earthquakes, and volcanic activity.

Divergent Boundary

A tectonic plate boundary where two plates are moving away from each other, leading to the creation of new crust.

Transform Boundary

A type of plate boundary where two tectonic plates slide past each other horizontally, often associated with earthquakes.

Mantle

The layer of the Earth between the crust and the outer core, composed of silicate rocks that are rich in magnesium and iron.