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18 Cards in this Set
- Front
- Back
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Which of the following is a technique used to minimize artifacts from patient motion in exams of the chest?
1. suspended respiration 2. shortened scan time 3. patient immobilization devices a. 1 only b. 2 only c. 3 only d. 1, 2 & 3 |
d. 1, 2 & 3
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Which of the following is NOT contained within the mediastinum?
a. esophagus b. heart c. bronchi d. lungs |
d. lungs
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For CT exams of the chest, the patient is usually positioned:
a. prone with arms at sides b. prone with arms raised over the head c. decubitus with arms raised over the head d. supine with arms raised over the head |
d. supine with arms raised over the head
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Typically, what mAs is used in routine CT exams of the abdomen?
a. 100 to 200 b. 200 to 300 c. 300 to 400 d. 400 to 500 |
b. 200 to 300
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Which of the following is typical scan delay after the initiation of injection of contrast media for studies of the liver?
a. 15 to 25 seconds b. 65 to 75 seconds c. 85 to 95 seconds d. a few minutes |
b. 65 to 75 seconds
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Which of the following window settings provides the best tissue differentiation within the liver?
a. WW 100, WL -200 b. WW 140, WL 60 c. WW 1000, WL 200 d. WW 2500, WL 350 |
b. WW 140, WL 60
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For a CT scan of the spleen which of the following is typically used?
a. only IV contrast media b. only oral contrast media c. both oral and IV contrast media d. no contrast media is used |
c. both oral and IV contrast media
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Which of the following structures is NOT part of the GI tract?
a. esophagus b. stomach c. duodenum d. spleen |
d. spleen
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For a routine CT exam of the pelvis, what gantry tilt is used?
a. 20° b. -20° c. 10° d. no tilt is used |
d. no tilt is used
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Which of the following are typical start and end locations for CT scans of the pelvis?
a. from the xyphoid process through the iliac crest b. from the sternal notch through the iliac crest c. from the iliac crest through the symphysis pubis d. from the sternal notch through the symphysis pubis |
c. from the iliac crest through the symphysis pubis
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Which of the following provides the best bone window setting for the pelvis?
a. WW 2000, WL 350 b. WW 140, WL 60 c. WW 100, WL -200 d. WW 1000, WL 200 |
a. WW 2000, WL 350
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Which of the following is a reason for inserting a tampon in the vagina for CT exams of the female pelvis?
a. provides a high intensity on the image b. eliminates the need for IV contrast injection c. eliminates the need for oral contrast media d. helps visualize the vaginal canal |
d. helps visualize the vaginal canal
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For which of the following studies in the chest is IV contrast typically used?
1. chest masses 2. hilar masses 3. cardiac masses a. 1 only b. 2 only c. 3 only d. 1, 2 & 3 |
d. 1, 2 & 3
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Which of the following is the typical orientation for a localizer in a chest exam?
a. AP b. transverse c. lateral d. oblique |
a. AP
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The result of the bifurcation of the abdominal aorta is the left and right ___________ arteries.
a. femoral b. common iliac c. popliteal d. quadriceps |
b. common iliac
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Which of the following statements is TRUE concerning the lobes of the liver?
1. the left lobe is more anterior than the right lobe 2. the left lobe is more anterior than the caudate lobe 3. the caudate lobe is more medial than the right lobe a. 1 only b. 2 only c. 3 only d. 1, 2 & 3 |
d. 1, 2 & 3
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What is linear attenuation coefficient? |
Object to attenuate X-ray beam assigned value |
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Double membrane separating the anterior horns of the left and right lateral ventricles of the brain. |
Septum Pellucidum |
