EXAM REVIEW SOLVED QUESTIONS AND
CORRECT ANSWERS GRADED A+
◉ Oculomotor Nerve (CN III).
Answer: Controls eye movement and pupil constriction.
◉ Trochlear Nerve (CN IV).
Answer: Innervates superior oblique muscle for eye movement.
◉ Abducens Nerve (CN VI).
Answer: Controls lateral eye movement.
◉ PERRL.
Answer: Pupils Equal, Round, Reactive to Light.
◉ PERRLA.
Answer: Pupils Equal, Round, Reactive to Light and Accommodation.
◉ Vestibulocochlear Nerve (CN VIII).
Answer: Responsible for hearing and balance.
,◉ Glossopharyngeal Nerve (CN IX).
Answer: Controls gag reflex and taste sensation.
◉ Vagus Nerve (CN X).
Answer: Regulates autonomic functions, gag reflex.
◉ Accessory Nerve (CN XI).
Answer: Controls shoulder movement and neck muscles.
◉ Hypoglossal Nerve (CN XII).
Answer: Controls tongue movement.
◉ Motor Function Assessment.
Answer: Evaluates strength, tone, coordination, and symmetry.
◉ CSF Analysis.
Answer: Examines cerebrospinal fluid for CNS diseases.
◉ Lumbar Puncture.
Answer: Procedure to sample CSF, contraindicated with ICP.
,◉ CT Scan.
Answer: Rapid imaging technique for brain assessment.
◉ MRI.
Answer: Detailed imaging of brain structures.
◉ fMRI.
Answer: Functional MRI for brain activity evaluation.
◉ Meningitis.
Answer: Inflammation of brain and spinal cord membranes.
◉ Bacterial Meningitis.
Answer: Life-threatening infection with high mortality rate.
◉ Kernig's Sign.
Answer: Indicates meningeal irritation; leg extension causes pain.
◉ Signs of Meningitis.
Answer: Fever, headache, nausea, vomiting, nuchal rigidity.
◉ Seizures in Meningitis.
, Answer: Occur in 1/3 of cases, indicates severity.
◉ Mortality Rate of Meningitis.
Answer: Untreated bacterial meningitis near 100% mortality.
◉ Bacterial Meningitis.
Answer: Infection of protective membranes around brain.
◉ Acute Complication.
Answer: Increased intracranial pressure (ICP) occurs.
◉ Altered Mental Status.
Answer: Change in cognitive function due to illness.
◉ Cranial Nerve Dysfunction.
Answer: Impairment of cranial nerves III, IV, VI, VII, VIII.
◉ Optic Nerve Compression.
Answer: Pressure on CN II affects vision.
◉ Ocular Movements.
Answer: Controlled by cranial nerves III, IV, VI.