RGT 2542 Ch 21

When using the sacral hiatus puncture method for myelography, the contrast material is injected into the:

A. Left ventricle
B. Subarachnoid space
C. Extradural space
D. Cisterna magna

The injection site for lumbar myelography is usually between:

A. T12-L1
B. L2-L3
C. L4-L5
D. L1-L2

The leptomeninges are composed of the:

A. Pia mater and dura mater
B. Spinal cord and dura mater
C. Dura mater and arachnoid
D. Arachnoid and Pia mater

The movement of certain contrast agents by gravity is because the agents are:

A. Hyperbaric
B. Equal to the consistency of cerebrospinal fluid
C. Less viscous than cerebrospinal fluid
D. Hypobaric

When the lower cervical and upper thoracic regions are not well demonstrated the _____ should be used.

A. Anteroposterior view
B. Right internal oblique view
C. Left lateral decubitus position
D. Swimmer's view

The cisternal puncture method is used when:

A. The patient is extremely obese
B. The lumbar puncture approach is impossible
C. Contrast agent is required to flow into the ventricles
D. The lower extremities cannot be flexed

Which of the following is not considered to be a part of the brain?

A. Mesencephalon
B. Filum terminale
C. Pons
D. Medulla oblongata

The largest and uppermost portion of the brain is called the:

A. Cerebrum
B. Pons
C. Hindbrain
D. Filum terminale

Which of the following pieces of equipment is not necessary for myelography?

A. Catheter
B. Shoulder harness
C. Footrest
D. Fluoroscope

A disadvantage to the use of the oily contrast agent is:

A. That patients tend to have more reactions to the substance
B. Their higher cost
C. That they do not provide sufficient contrast
D. That they are absorbed slowly and must be removed from the patient