MICC PRACTICE TEST CH.6 (Anatomy Part I)

Question 1

Which of the following types of contrast media has NO application for a CT study of the thoracic spine?
A. Intrathecal.
B. Intravenous.
C. Oral.
D. All of the above.

Answer 1

C - Oral.

Question 2

In which of the following studies might cranial nerve XI be visualized?
A. Soft tissue neck.
B. Lumosacral spine.
C. Supratentorium.
D. Internal auditory canal.

Answer 2

A - Soft tissue neck.

Question 3

In order to generate a 3D shaded surface rendering of the hips, the __________ data is used directly by the 3D reconstruction software.
A. Image.
B. Raw.
C. Unreconstructed.
D. Projection.

Answer 3

A - Image.

Question 4

Olfactory Nerve (I)

Answer 4

Smell.

Question 5

Optic Nerve (II) 2

Answer 5

Vision.

Question 6

Oculomotor Nerve (III) 3

Answer 6

Eye movement & pupil constriction.

Superior, inferior and medial recuts; inferior oblique, & elevator palpebrae muscles.

Question 7

Trochlear (IV) nerve 4

Answer 7

Eye movement.

Question 8

Trigeminal Nerve (V) 5

Answer 8

Somatosensory information (touch, pain) from the face and head; muscles for chewing.

Question 9

Abductees Nerve (VI) 6

Answer 9

Eye movement .

Question 10

Facial Nerve (VII) 7

Answer 10

Taste (anterior 2/3 of tongue); somatosensory information from ear; controls muscles used in facial expression.

Question 11

Vestibulocochlear Nerve (VIII)

Answer 11

Hearing balance.

Question 12

Glossopharygneal Nerve (IX)

Answer 12

Taste (posterior 1/3 of tongue)
Somatosensory info from tongue, tonsil, pharynx controls some muscles used in swallowing.

Question 13

Vagus nerve (X)

Answer 13

Sensory, mortar and autonomic functions of viscera (glands, digestive, heart rate).

Question 14

Spinal Accessory Nerve (XI)

Answer 14

Controls muscles used in head movement.

Question 15

Hypoglossal Nerve (XII)

Answer 15

Controls muscles of tongue.

Question 16

Which of the following is the appropriate range of coverage for a coronal sinus study?
A. From the internal auditory canals to the ethmoid sinus.
B. From the voices to the anterior clinoid process.
C. From the 4th ventricle to the sphenoid sinus.
D. From the dorsum sella to the anterior aspect of the frontal sinus.

Answer 16

D - From the dorsum sella to the anterior aspect of the frontal sinus.

Question 17

Which of the following is NOT a reason for using thinner slices in the posterior fossa compared with teh more superior regions of the brain?
1. To reduce streak artifacts.
2. To improve spatial resolution.
3. To decrease radiation dose to the pt.

A. 1 only.
B. 2 only.
C. 3 only.
D. 1, 2, and 3.

Answer 17

3 - to decrease radiation dose to the pt.

Question 18

A localizer image in which of the following orientations should be used to set up axial slices so that they can be angled parallel to the plane of a specific lumbar disc?
A. AP.
B. Transverse.
C. Oblique.
D. Lateral.

Answer 18

D - Lateral.

Question 19

Which of the following statements is TRUE regarding CT exams of the spine?
A. IV contrast is usually not administered to r/o a herniated disc.
B. The entire thoracic spine is not routinely scanned with transverse CT slices.
C. Sagittal and coronal images of an adult spine may not be directly collected from a CT scan.
D. All of the above are True.

Answer 19

D - All of the above are True.

Question 20

Which of the following is NOT an indication of a herniated disc?
A. Deformity of the posterior border of the disc.
B. Displacement of epidural fat.
C. Hypertrophy of the inferior articulating process and laminae.
D. All of the above.

Answer 20

C - Hypertrophy of the inferior articulating process and laminae.

Question 21

Which of the following window settings provide the best tissue differentiation of the soft tissues of the supratentorium?
A. WW 100; WL 30.
B. WW 300; WL 60.
C. WW 1000; WL 200.
D. WW 2500; WL 350.

Answer 21

A. WW 100; WL 30.

Question 22

On a CTA exam of lower extremity vascular urge to assess atherosclerosis, coverage should extend from the _________ to the __________.

Answer 22

Abdominal aorta to the ankles.

Question 23

What is the injection amount & rate for a CTA of the lower extremity?

Answer 23

125 to 150 ml of IV contrast & 4 ml/sec.

Question 24

What is the primary reason to have a pt pronate the letter “e” during a CT exam of the larynx?
A. It closes the pyriform sinuses.
B. It demonstrates vocal cord mobility.
C. It distends the laryngeal ventricles.
D. It provides definition of the epiglottis.

Answer 24

B - it demonstrates vocal cord mobility.

Question 25

Which of the following combinations of scanning parameters is best for evaluating abnormalities within the petrous pyramids of the temporal bone?
A. Standard algorithm; WW 300; 0.5 to 2 mm slices.
B. Soft algorithm; WW 300; 0.5 to 2 mm slices.
C. Sharp algorithm; WW 2500; 0.5 to 2 mm slices.
D. Standard algorithm; WW 2500; 4 to 8 mm slices.

Answer 25

C - Sharp algorithm; WW 2500; 0.5 to 2 mm slices.