Assignment 1 Flashcards

1
Q

Where are the intervertebral foramina located?

A

where superior and inferior intervertebral notches meet

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2
Q

What articulates with the superior articular process of the vertebrae?

A

the inferior articular process of the preceding vertebrae

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3
Q

What two features of a vertebra enclose or surround the vertebral foramen?

A
  • body

* vertebral arch

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4
Q

What direction is the curvature that is formed by the cervical vertebrae?

A

concave posteriorly (convex anteriorly)

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5
Q

What is the purpose of curvatures in the vertebral column?

A

increase strength, resilience, and flexibility of vertebral column

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6
Q

What passes through the sacral foramina?

A

nerves

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7
Q

What is the most inferior region of the vertebral column? What marking on the sacrum denotes the beginning of the true pelvic cavity?

A
  • coccyx

* sacral promontory

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8
Q

How many sacral vertebrae are there before they fuse together?

A

5

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9
Q

What are the most common sites of metastatic disease within the bone? (4)

A

vertebral bodies, pelvic bones, & ribs

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10
Q

What is a common diagnostic procedure used to diagnose bone pain to show metastasis from a primary disease?

A

bone scan using Technetium-99

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11
Q

What radioisotope can be used to treat bone pain?

A
  • Strontium 89 (89SR)

* Samarium 153 (153Sm)

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12
Q

The most common primary tumor that mets to bone is ___________.

A

lung cancer

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13
Q

What is a laminectomy and when might it be performed?

A

A surgical procedure to remove the lamina of the vertebrae to decompress and expose the spinal cord

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14
Q

What are the four most common presenting symptoms of spinal cord compression?

A
  • pain
  • weakness
  • sensory loss
  • autonomic dysfunction (i.e. loss of bowel and bladder sphincter control)
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15
Q

define scoliosis

A

abnormal lateral curvature of the vertebral column with excessive right or left curvature in the thoracic region

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16
Q

define kyphosis

A

excessive curvature of the vertebral column that is convex posteriorly

17
Q

define lordosis

A

excessive inward curve of the lower back; excessive convexity (anteriorly) of the lumbar curve of the spine

18
Q

You are treating the T/L Spine 11/12 – 4/5. What is the depth of treatment for the spine using a PA Field?

A

7 cm

19
Q

You are going to setup a patient to treat the sacrum and coccyx area. What type of field is most commonly used?

A

spade

20
Q

When treating with a single PA Lumbar Spine field with a field size of 8x14 cm, what is the SSD for this field?

A

100 cm

21
Q

In the above field (field size of 8x14 cm), the radiation oncologist wants to treat to the depth of spine. What is the SSD?

A

100 cm

22
Q

You are treating an AP/PA Thoracic Spine, 8x20, and separation of 13. What is the SSD?

A

93.5 cm

23
Q

In the treatment of a T/L Spine (Setup AP, treat PA) what is the PA SSD?

A

100 cm

24
Q

explain the direction of:
X:
Y:
Z:

A

X: left/right or lateral
Y: in/out or longitudinal
Z: vertical