Neurophysiological tests

Question 1

Which diagnostic method would you use in a patient with suspected carpal tunnel
syndrome?
a. EMG
b. The Jendrassikov manoeuvre
c. UZ
d. MR
e. CT

Answer 1

a. EMG

Actually I think ultrasound would be better

Question 2

How long does it take for spontaneous activity to occur in a denervated muscle?
a. immediately
b. after a few days
c. after a few hours
d. after one week
e. after three weeks

Answer 2

e. after three weeks

Question 3

Patient without severe neurological deficits, but psychoorganically slowed down in
the last month according to heteroanamnesis. EEG shows diffuse slowing of
baseline activity. What does he have?
a. epilepsy
b. encephalopathy
c. Parkinson’s disease
d. cataplexy

Answer 3

b. encephalopathy

Question 3

Which waves are occipital if the subject is awake and has his eyes closed?
a. alpha
b. beta
c. gamma
d. delta
e. theta

Answer 3

a. alpha

Question 4

EEG is the best test for:
a. headaches
b. insomnia
c. neurogenetic diseases
d. encephalopathies

Answer 4

d. encephalopathies

Question 5

EEG is most commonly used for diagnosis:
a. brain tumours
b. infections
c. Insomnia

Answer 5

c. Insomnia

Question 6

For EEG:
a. time conduction of the voltage between two points
b. spatial determination
c. sum of cell potentials
d. measures deep brain signals

Answer 6

c. sum of cell potentials

Question 7

What is not a neurophysiological method?
a. EEG
b. EMG
c. tractography
d. Potentials evoked
e. nerve conduction measurement

Answer 7

c. tractography

Question 8

Alpha waves disappear at:
a. opening the eyes
b. to the rapporteur
c. opening the eyes, mental arithmetic, napping

Answer 8

c. opening the eyes, mental arithmetic, napping

Question 9

The preferred test for motor neurone disease:
a. evoked motor potentials
b. EMG
c. lumbar puncture
d. MRI

Answer 9

b. EMG

This is to assess presence of contraction without stimuli (UML)

Question 10

Encephalopathic EEG is a term that means:
a. EEG slowing, the appearance of low-frequency, high-amplitude
oscillations in the EEG
b. EEG speed-up, the appearance of high-frequency, high-amplitude oscillations in
the EEG
c. the occurrence of intermittent epileptiform spikes on multiple EEG channels
d. the occurrence of intermittent epileptiform spikes in one or two EEG channels
e. general decrease in EEG amplitude

Answer 10

a. EEG slowing, the appearance of low-frequency, high-amplitude
oscillations in the EEG

Question 11

What types of EEG changes are found in Creutzfeldt-Jakob disease, or in which
areas is the EEG altered?
a. transcortical changes
b. changes in Putamnus
c. changes in the thalamus

Answer 11

a. transcortical changes

Question 12

A 27-year-old woman comes to the clinic with a falling foot. Which investigation
would make the least sense?
a. EEG
b. pupillary reflex
c. EMG
d. lumbar puncture
e. MRI

Answer 12

a. EEG

Doesn’treally measure any activity related to motor disorders

Question 13

What are the methods of extracting changes in a routine EEG?
a. flash stimulation
b. deep breathing and flash stimulation

Answer 13

b. deep breathing and flash stimulation

Question 14

Mark the correct statement for an EEG examination in suspected symptomatic
headache:
a. EEG cannot rule out headache due to overuse of analgesics

Answer 14

a. EEG cannot rule out headache due to overuse of analgesics

Question 15

Diagnosed with carpal tunnel based on night and morning pain in the arm and
electrodiagnostic measurements, the patient reports tingling in:
a. the last three fingers
b. first and second fingers
c. the first three fingers
d. the first four fingers
e. a finger on the hand
f. any of the following

Answer 15

f. any of the following

Question 16

What is seen in weak/weak carpal tunnel syndrome?
a. conduction on the motor nerve shows a delay
b. no conduction on the motor nerve
c. on the sensory, conduction with latency on the median nerve

Answer 16

c. on the sensory, conduction with latency on the median nerve