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Facial Nerve Paralysis Quiz

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Questions and Answers

What is the frequency of facial nerve paralysis among cranial nerve dysfunction?

Fourth in frequency

Second in frequency (correct)

Third in frequency

First in frequency

What is the classification of facial nerve paralysis based on?

Age, sex, and ethnicity

Frequency, location, and severity

Type of disease, infection, and trauma

Degree, nature of onset, and causation (correct)

Why is a thorough medical history important in establishing the differential diagnoses of facial paralysis?

To determine the treatment of the disease

To assess the severity of the paralysis

To identify the symptoms of the disease

To rule out systemic diseases (correct)

What is included in the ear examination during the diagnosis of facial paralysis?

Assessment of the middle ear and external ear canal Signup and view all the answers

What is the purpose of a detailed cranial nerve examination during the diagnosis of facial paralysis?

To rule out cranial polyneuropathy Signup and view all the answers

What is a potential consequence of incomplete eyelid closure due to facial nerve paralysis?

Exposure keratitis and eventual ulceration Signup and view all the answers

Which part of the brain receives bilateral cortical innervation and is related to the facial nerve nucleus?

Voluntary motor cortex Signup and view all the answers

What is the name of the first branch of the facial nerve that carries preganglionic parasympathetic fibers destined for the lacrimal gland and the glands within the nasal and palatal mucosa?

Greater superficial petrosal nerve Signup and view all the answers

What is the length of the meatal/canalicular segment of the facial nerve?

8 to 10 mm Signup and view all the answers

What is a possible cause of acute onset of facial paralysis without any other symptoms?

Idiopathic facial paralysis (Bell's palsy) Signup and view all the answers