Bell’s Palsy (Facial Paralysis) Signs & Symptoms (& Why They Occur)

Bell's Palsy, also known as idiopathic facial paralysis, involves unilateral paralysis of facial muscles due to cranial nerve #7 dysfunction. The exact cause is unclear, but viral infections are suspected. Symptoms include acute onset facial paralysis affecting both upper and lower muscles, numbness, tingling, ocular pain, blurred vision, tearing issues, taste disturbances, decreased salivation, ear pain, and hyperacusis. These symptoms occur on the affected side due to the facial nerve's role in muscle control, taste, and hearing.

What is another name for Bell's Palsy?

• Idiopathic facial paralysis

• Facial muscle spasm

• Bilateral facial paralysis

• Cranial nerve disorder

Which cranial nerve is affected in Bell's Palsy?

• Cranial nerve #12

• Cranial nerve #9

• Cranial nerve #7

• Cranial nerve #5

What is the hallmark symptom of Bell's Palsy?

• Facial muscle spasms

• Loss of facial sensation

• Unilateral facial paralysis

• Bilateral facial paralysis

Which facial muscles are affected in Bell's Palsy?

• Only upper facial muscles

• Only lower facial muscles

• Neither upper nor lower facial muscles

• Both upper and lower facial muscles

What type of pain is associated with Bell's Palsy?

• Abdominal pain

• Back pain

• Joint pain

• Ocular pain

What is hyperacusis?

• Ringing in the ears

• Loss of hearing

• Increased sensitivity to sounds

• Decreased sensitivity to sounds

What is a possible cause of taste disturbance in Bell's Palsy?

• Damage to the optic nerve

• Paralysis of the facial nerve

• Infection of the inner ear

• Blockage of the salivary glands