Neurology Asynchronous Quiz 1

A patient reports dizziness, imbalance and hearing loss. Which cranial nerve may be damaged?

CN VIII - Vestibulocochlear

A stoke patient exhibits slurred speech and weak tongue movement. Which cranial nerve is most likely affected?

CN XII - Hypoglossal

A patient is anxious before an examination. You notice sweating, fast heartbeat and enlarged pupils. Which division of the nervous system is activated?

Sympathetic

Which system is dominant during "rest and digest"?

Parasympathetic

What is a sympathetic nervous system response?

Perspiration

What type of muscle is primarily controlled by autonomic nervous system?

Smooth muscle - visceral organs

What is an autonomic function that is important for swallowing?

Salivation

Rising CO2 levels in the blood stream are detected by the autonomic nervous system to regulate what?

Breathing rate

What brain structure acts as the "central control" for the autonomic nervous system?

Hypothalamus

During a bedside exam, you notice reduced laryngeal elevation. Which cranial nerve would you most suspect?

CN X - Vagus

Which cranial nerve carries sensory input for hearing and balance?

CN VIII - Vestibulocochlear

A patient complains of difficulty swallowing and a reduced gag reflex. Which cranial nerve is most likely involved?

CN IX - Glossopharyngeal

Which of the following cranial nerves is critical for phonation/voice production?

CN X - Vagus

Which cranial nerve innervates the muscles of mastication?

CN V - Trigeminal

A patient presents with facial droop and inability to close one eye. Which cranial nerve is most likely affected?

CN VII - Facial

Which cranial nerve is primarily responsible for tongue movement, and therefore critical for articulation?

CN XII - Hypoglossal