Your mother calls you concerned that your 50-year-old father may be having a stroke. She reports that he cannot close his right eye, raise his right eyebrow, or smile with the right half of his mouth....

Your mother calls you concerned that your 50-year-old father may be having a stroke. She reports that he cannot close his right eye, raise his right eyebrow, or smile with the right half of his mouth. She tells you that, though his speech is garbled, he is understandable; she denies additional symptoms. From which neurological condition does he suffer?

A. Guillain Barré

B. Amyotrophic lateral sclerosis

C. Bell palsy

D. MS