Neuroimaging

Question 1

X-Ray of the skull after injection of air into lateral ventricles

Answer 1

Ventriculograph

Question 2

Xrays of spine after injection of air into spnal subarachnoid space

Answer 2

Myelograph

Question 3

X ray of skullafter injection of dye into carotid aor vertebral arteries

Answer 3

Cerebral angiograph

Question 4

What has replaced cerebral angiograph and why?

Answer 4

MRI due to invasgive technique and bad side effects

Question 5

What is most sensitive in diagnosing acute stroke?

Answer 5

MRI

Question 6

What is useful in showing acute bleeding, cerebral edema or infarction?

Answer 6

CT

Question 7

How quickly can an MRI see cerebral edema?

Answer 7

30 minutes

Question 8

How quickly can MRI see vascular occlusion and infarction?

Answer 8

2-6 hours

Question 9

What is a major clinical research tool for imaging cerebral blood flow and brain metabolism

Answer 9

PET Scan

Question 10

What disorder is EEG most likely used in?

Answer 10

Seizures and intracranial lesions

Question 11

What hesp image the lumen of carotid artery and analyze flow and detets plaque?

Answer 11

Echoencephalogram

Question 12

EMG insertional activity is (Increased or Decreased) n deinervated muscle?

Answer 12

Increased

Question 13

Number of Motor unit potentials in EMG is (increased or decreased) in denervated muscles

Answer 13

Decreased

Question 14

Alterations in MUP configurations in EMG mean what?

Answer 14

Reinnervation of previously denervated muscle

Question 15

When are fibrillations seen in EMG?

Answer 15

Denervation for 1-3 wks after losing nerve

Question 16

When are fasciculations in EMG seen?

Answer 16

LMN disorders

Question 17

Complete LMN lesions show fiblrilattions or fasiculations?

Answer 17

Fibrillations

Question 18

Partial LMN lesions show fibrilattions of fasciations?

Answer 18

Both