Deck 14: Myelography and Other Central Nervous System Imaging

Question 1

The largest part of the brain is the:

A) cerebellum.
B) cerebrum.
C) brain stem.
D) medulla oblongata.

Answer 1

cerebrum.

Question 2

Where is the contrast medium injected for a myelogram?

A) Brachial vein
B) Femoral artery
C) L1-L2 interspace
D) L2-L3 or L3-L4 interspace

Answer 2

L2-L3 or L3-L4 interspace

Question 3

How is the patient's head positioned during myelography to prevent contrast from passing into the cerebral ventricles?

A) Lateral flexion
B) Acute extension
C) Forward flexion
D) Acute flexion

Answer 3

Acute extension

Question 4

Which two patient positions may be used for spinal puncture? (Select all that apply.)

A) Sims
B) Prone
C) Lateral,in extension
D) Lateral,in flexion

Question 5

Which interventional procedure uses a balloon catheter to expand a compressed vertebral body to near its original height before injection of the bone cement?

A) Myelography
B) Vertebroplasty
C) Kyphoplasty
D) Discography

Question 6

The brain and spinal cord are enclosed by three protective membranes called the:

A) meninges.
B) pia mater.
C) arachnoid.
D) subarachnoid layer.

Question 7

How many fluid-containing cavities make up the ventricular system of the brain?

A) Two
B) Four
C) Six
D) Eight

Question 8

How many pairs of spinal nerves arise from the spinal cord?

A) 14
B) 24
C) 29
D) 31

Question 9

Which term is defined as percutaneous techniques aimed at stabilizing weakened vertebral bodies?

A) Percutaneous myeloplasty
B) Percutaneous augmentation
C) Vertebral myeloplasty
D) Vertebral augmentation

Question 10

What patient position is used postmyelography during recovery?

A) Prone
B) Supine
C) Head and shoulders elevated 30 to 45 degrees
D) 30 to 45 degrees Trendelenburg

Question 11

What part of the brain is indicated by the line in the diagram?

A) Pons
B) Cerebrum
C) Cerebellum
D) Brain stem

Question 12

Percutaneous vertebroplasty is done under fluoroscopy to:

A) stabilize fracture fragments.
B) restore the spine to a more normal curve.
C) reduce hunchback deformities.
D) locate vascular abnormalities.

Question 13

The area of the brain identified in the figure below is the:

A) pons.
B) cerebrum.
C) cerebellum.
D) brain stem.