Deck 15: Neurological Disorders

Question 1

Which of the following is true?

A) Electrical synapses are more common than chemical synapses.
B) Synaptic transmission is an electrical response.
C) Chemical synapses allow currents to travel in either direction.
D) The release of neurotransmitters allows unidirectional conduction of an impulse.

Answer 1

D

Question 2

Of the following, which cranial nerves are only of motor type, not sensory?

A) I, VII, and X
B) IV, V, and VI
C) III, XI, XII
D) I, VIII, IX

Answer 2

C

Question 3

Which of the following often present with intermittent neurological deficit, vertigo, and weakness?

A) Migraines
B) Cluster headaches
C) Transient ischemic attacks
D) Tension headaches

Answer 3

C

Question 4

What kind of vertigo/loss of equilibrium also may include sensory disturbances?

A) Vestibular neuronitis
B) Meniere's disease
C) Multiple sclerosis
D) Acoustic neuroma

Question 5

Palpating the masseter and temporal muscles tests which cranial nerve?

A) II
B) IV
C) V
D) VIII

Question 6

A patient's pupils are not the correct size for the amount of light. Damage to which cranial nerve is suspected?

A) I
B) VI
C) III
D) II

Question 7

Which of the following is a sign of LMN lesion?

A) Muscle spasticity
B) Absent Babinski reflex
C) No fasciculations
D) Diminished strength, but no atrophy

Question 8

Having a patient identify a physical object by touch with the eyes closed tests what?

A) Graphesthesia
B) Vibratory sense
C) Extinction
D) Stereognosis

Question 9

A patient has trouble maintaining balance when walking normally, either with eyes open or closed. This suggests what?

A) Cerebellar disease
B) MS
C) Romberg's test
D) Guillain-Barre syndrome

Question 10

Which of the following assessments reflect the ability of the parasympathetic or sympathetic nervous system to innervate CN III?

A) Pupillary function
B) Decorticate posturing
C) Verbal response
D) Motor response

Question 11

Which of the following tests is used to diagnosis meningitis?

A) CT scan
B) Lumbar puncture
C) Carotid angiography
D) Ultrasound

Question 12

Stimulating a newborn's lips to test deviation of the head toward the stimulus tests what?

A) Babinski
B) Placing
C) Rooting
D) Stepping

Question 13

Damage to the temporal lobe of the brain may leave a patient with impaired hearing as well as emotional/behavioral abnormalities.

Question 14

The descending RAS is essential for arousal from sleep.

Question 15

Meningitis may mimic the symptoms of rupture of an intracranial aneurysm or AVM.

Question 16

Strabismus may be a symptom of damage to the third cranial nerve.

Question 17

The physician asks the patient to lie supine. The physician flexes the patient's neck and the patient involuntarily bends his knees. This is known as Brudzinski's sign.

Question 18

Cranial nerves are directly evaluated in the neonate.

Question 19

What are the numbers and names of the cranial nerves that function to bring the sense of taste to the brain?

Question 20

Which DTRs are tested in a reflex test?