NCS Neurological Assessment 1 — Questions and Answers
Question 1: What is a comprehensive neurological examination?
- Assessment of mental status, cranial nerves, motor function, sensory function, reflexes, and coordination (Correct answer)
- Only checking reflexes
- Only a brain scan
- Only asking the patient questions
Correct answer: Assessment of mental status, cranial nerves, motor function, sensory function, reflexes, and coordination
A systematic neurological exam evaluates all components of nervous system function.
Question 2: What is the Babinski sign?
- An abnormal reflex where the great toe extends upward when the sole is stroked, indicating upper motor neuron damage (Correct answer)
- A normal reflex in adults
- A test for hearing
- A blood pressure measurement
Correct answer: An abnormal reflex where the great toe extends upward when the sole is stroked, indicating upper motor neuron damage
Babinski's sign is normal in infants but indicates upper motor neuron pathology in adults.
Question 3: What is the Mini-Mental State Examination (MMSE)?
- A brief cognitive screening tool assessing orientation, memory, attention, language, and visuospatial skills (Correct answer)
- A personality test
- A brain scan
- A blood test for brain function
Correct answer: A brief cognitive screening tool assessing orientation, memory, attention, language, and visuospatial skills
The MMSE provides a quick, standardized measure of cognitive function scored out of 30.
Question 4: What are the signs of increased intracranial pressure?
- Headache, vomiting, altered consciousness, papilledema, and Cushing's triad (hypertension, bradycardia, irregular breathing) (Correct answer)
- Only headache
- No warning signs exist
- Only behavioral changes
Correct answer: Headache, vomiting, altered consciousness, papilledema, and Cushing's triad (hypertension, bradycardia, irregular breathing)
Rising ICP requires urgent intervention to prevent brain herniation.
Question 5: What is a pupil assessment and why is it important?
- Evaluating pupil size, equality, and reactivity to light — changes may indicate neurological deterioration (Correct answer)
- Only checking vision clarity
- A cosmetic evaluation
- An eye color assessment
Correct answer: Evaluating pupil size, equality, and reactivity to light — changes may indicate neurological deterioration
Pupil changes (unequal size, fixed dilation) can indicate brain herniation or cranial nerve damage.
Question 6: What is the difference between upper and lower motor neuron lesions?
- UMN lesions cause spastic paralysis with hyperreflexia; LMN lesions cause flaccid paralysis with hyporeflexia (Correct answer)
- They cause the same symptoms
- Only UMN lesions exist
- Only LMN lesions cause weakness
Correct answer: UMN lesions cause spastic paralysis with hyperreflexia; LMN lesions cause flaccid paralysis with hyporeflexia
The pattern of weakness and reflexes helps locate whether damage is in the brain/spinal cord (UMN) or peripheral nerves (LMN).
NCS Neurological Assessment 1
What is a comprehensive neurological examination?