Ch 08 01 Flashcards

(40 cards)

1
Q
  1. On average, how many separate bones make up the adult vertebral column?

a. 33
b. 28
c. 26
d. 31

A

Answer: c. 26

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2
Q
  1. The spinal cord tapers off to a point distally at the vertebral level of:

a. lower L5
b. L3-4 intervertebral space
c. L1-2
d. L4-5 intervertebral space

A

Answer: c. L1-2

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3
Q
  1. Which of the following is the first compensatory spinal curvature to develop in the young child?

a. Thoracic
b. Cervical
c. Sacral
d. Lumbar

A

Answer: b. Cervical

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4
Q
  1. Scoliosis is defined as an abnormal or exaggerated _____ curvature.

a. concave
b. convex
c. lateral
d. “swayback” lumbar

A

Answer: c. lateral

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5
Q
  1. Kyphosis is defined as a(n):

a. normal lumbar curvature
b. normal convex sacral curvature
c. normal compensatory curve of the thoracic spine
d. abnormal thoracic curvature with increased convexity

A

Answer: d. abnormal thoracic curvature with increased convexity

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6
Q
  1. The bony structures connected directly to the vertebral body are the:

a. pedicles
b. articular processes
c. laminae
d. transverse processes

A

Answer: a. pedicles

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7
Q
  1. The most posterior aspect of a typical vertebra is the:

a. pedicle
b. spinous process
c. lamina
d. body

A

Answer: b. spinous process

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8
Q
  1. The joints between articular processes of vertebra are termed _____ joints.

a. zygapophyseal
b. fibrous
c. intervertebral
d. synarthrodial

A

Answer: a. zygapophyseal

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9
Q
  1. Which aspect of the intervertebral disk is composed of semigelatinous material?

a. Nucleus pulposus
b. Annulus fibrosus
c. Conus medullaris
d. Cauda equina

A

Answer: a. Nucleus pulposus

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10
Q
  1. Which of the following statements is true?

a. All adult vertebrae are separated by intervertebral disks.
b. All thoracic vertebrae possess either a facet or demifacets for rib articulation.
c. The intervertebral disks are tightly bound to the vertebral bodies to prevent movement within the vertebral column.
d. All of the options.

A

Answer: b. All thoracic vertebrae possess either a facet or demifacets for rib articulation.

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11
Q
  1. Which of the following statements is true for a typical adult vertebra?

a. The transverse processes extend laterally from the junction of the pedicles and laminae.
b. The transverse processes are present only on thoracic vertebrae containing rib connections.
c. The spinous process extends posteriorly from the body of the vertebra.
d. All of the options are true statements.

A

Answer: a. The transverse processes extend laterally from the junction of the pedicles and laminae.

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12
Q
  1. Which of the following features makes the cervical vertebra unique as compared with other vertebrae of the spine?

a. Transverse foramina and double (bifid) tips on spinous processes
b. Overlapping vertebral bodies
c. Presence of zygapophyseal joints
d. All of the options

A

Answer: d. All of the options

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13
Q
  1. Where is the articular pillar located on a cervical vertebra?

a. Between the superior and inferior articular processes
b. Between the pedicle and the body
c. Between the spinous process and the lamina
d. Nowhere

A

Answer: a. Between the superior and inferior articular processes

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14
Q
  1. Which of the following best defines or describes the vertebral body of C1?

a. The smallest of all vertebral bodies
b. A column of bone supported by an intervertebral disk
c. A large bony mass
d. There is no vertebral body at C1.

A

Answer: d. There is no vertebral body at C1.

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15
Q
  1. Which of the following thoracic vertebra(e) possess(es) no facets for costotransverse joints?

a. T9-10
b. T11-12
c. T1
d. None of the options

A

Answer: b. T11-12

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16
Q
  1. The zygapophyseal joints for the typical cervical vertebra lie at an angle of ____ in relation to the midsagittal plane.

a. 45 degrees
b. 60 degrees
c. 70 to 75 degrees
d. 90 degrees

A

Answer: d. 90 degrees

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17
Q
  1. The most prominent aspect of the thyroid cartilage corresponds to the vertebral level of:

a. C5
b. C1-2
c. C6-7
d. C7-T1

A

Answer: a. C5

18
Q
  1. The zygapophyseal joints for the thoracic spine lie at an angle of ____ in relation to the midsagittal plane.

a. 45 degrees
b. 60 degrees
c. 70 to 75 degrees
d. 90 degrees

A

Answer: c. 70 to 75 degrees

19
Q
  1. T2-3 intervertebral disk space is found:

a. at the level of the jugular notch
b. at the level of the sternal angle
c. at the level of the xiphoid process
d. 2 inches (5 cm) below the jugular notch

A

Answer: a. at the level of the jugular notch

20
Q
  1. The gonion corresponds to the vertebral level of:

a. C1
b. C4-5
c. C3
d. C7

A

Answer: c. C3

21
Q
  1. The xiphoid process corresponds to the vertebral level of:

a. T8
b. T9-10
c. T7
d. T12

A

Answer: b. T9-10

22
Q
  1. Along with increasing the source–image receptor distance (SID), what other factor(s) will improve spatial resolution for lateral and oblique projections of the cervical spine?

a. Increasing object–image receptor distance (OID)
b. Using a small focal spot
c. Using higher kVp, lower mAs
d. Using a breathing technique

A

Answer: b. Using a small focal spot

23
Q
  1. Which of the following pathologic conditions is defined as “a condition of the spine characterized by rigidity of a vertebral joint”?

a. Spondylitis
b. Ankylosing spondylitis
c. Spondylosis
d. Scheuermann disease

A

Answer: c. Spondylosis

24
Q
  1. Which of the following clinical conditions will require a decrease in analog manual technical factors?

a. Advanced osteoporosis
b. Severe scoliosis
c. Moderate lordosis
d. Scheuermann disease

A

Answer: a. Advanced osteoporosis

25
25. Which factor is most important to open up the intervertebral joint spaces for a lateral thoracic spine projection? a. Use sufficiently high kVp. b. Collimate the spine region to reduce scatter. c. Keep the vertebral column parallel to the tabletop. d. Angle the central ray (CR) 5- to 10-degree caudad.
Answer: c. Keep the vertebral column parallel to the tabletop.
26
26. Which position or projection of the cervical spine will best demonstrate the zygapophyseal joint spaces between C1 and C2? a. Anteroposterior (AP) axial b. Lateral c. 45-degree posterior or anterior oblique d. AP open mouth
Answer: d. AP open mouth
27
27. Along with the upper incisors, what other bony landmark must be aligned for the AP open mouth projection? a. Base of skull b. Tip of mandible c. Inferior margin of lower incisors d. Thyroid cartilage
Answer: b. Tip of mandible
28
28. What type of CR angulation is required for the AP axial projection for the cervical spine? a. None. CR is perpendicular to the image receptor b. 5- to 10-degree cephalad c. 15- to 20-degree cephalad d. 15- to 20-degree caudad
Answer: c. 15- to 20-degree cephalad
29
29. Why are the anterior oblique projections (right anterior oblique [RAO]/left anterior oblique [LAO]) preferred over the posterior oblique projections of the cervical spine? a. To make the patient more comfortable b. To reduce the thyroid dose c. To prevent overlap of the mandible over the spine d. To place the zygapophyseal joints closer to the image receptor
Answer: b. To reduce the thyroid dose
30
30. Which of the following positions will demonstrate the left intervertebral foramina of the cervical spine? a. RAO b. Left posterior oblique (LPO) c. Lateral d. LAO
Answer: d. LAO
31
31. Which of the following projections will best demonstrate the C4-5 zygapophyseal joints of the cervical spine? a. AP axial b. Posterior oblique c. Lateral d. Anterior oblique
Answer: c. Lateral
32
32. Which of the following is NOT a correct evaluation criterion for the AP axial C-spine projection? a. C3-T2 vertebral bodies should be visualized. b. Spinous processes are seen to be equal distances from the vertebral body lateral borders. c. CR is at the lower margin of the thyroid cartilage. d. All of the options are correct.
Answer: d. All of the options are correct.
33
33. Which of the following factors does not apply to a lateral projection of the cervical spine? a. Use a 72-inch (180-cm) SID. b. Suspend respiration upon full inspiration prior to exposure. c. Perform horizontal beam lateral projection if trauma is suspected. d. Center CR to thyroid cartilage.
Answer: b. Suspend respiration upon full inspiration prior to exposure.
34
34. The chin is extended for a lateral projection of the cervical spine to: a. open up the C1-2 joint space. b. demonstrate the articular pillars. c. open up the intervertebral joint space. d. prevent superimposition of the mandible upon the spine.
Answer: d. prevent superimposition of the mandible upon the spine.
35
35. The AP axial-vertebral arch projection may be performed to better demonstrate the: a. C1 and C1-2 atlantoaxial joint spaces. b. vertebral arch (articular pillars) of C4-7. c. open intervertebral disk spaces of C3-T1. d. dens within the foramen magnum.
Answer: b. vertebral arch (articular pillars) of C4-7.
36
1 T/F The PA projection (Judd method) is intended to demonstrate the atlantoaxial joints between C1 and C2.
False
37
2 T/F The posterior cervical oblique (LPO/RPO) projections demonstrate the intervertebral foramina and pedicles on the side closest to the image receptor.
False
38
3 T/F An RPO position of the cervical spine requires a 45-degree oblique of the body with a 15-degree caudad CR angle.
False
39
4 T/F Another term for a breathing technique during exposure is the orthostatic technique.
True
40
5 T/F The anterior oblique thoracic spine demonstrates the upside zygapophyseal joints.
False