ARRT CT EXAM REVIEW 3
COMPLETE ANSWERS 100% CORRECT (LATEST 2024 / 2025 )
• Which of the following radiation dose indices is a measure of the total radiation exposure for an entire series of CT images?
- CTDI100
- dose length product
- CTDIvol
d. multiple scan dose average: b. dose length product
• Number 3 on the figure corresponds to which of the following?
- cricoid cartilage
- piriform sinus
- aryepiglottic fold
d. vocal cord: c. aryepiglottic fold
• Number 2 on the figure corresponds to which of the following?
- hyoid bone
- cricoid cartilage
- thyroid cartilage
d. mandible: c. thyroid cartilage
• Number 6 on the figure corresponds to which of the following?
- renal cortex
- renal pelvis
- renal calyx
d. renal pyramid: c. renal calyx
• Number 1 on the figure corresponds to which of the following?
- urteropelvic junction
- urertovesical junction
- urertocalyceal junction
d. urertopyramidal junction: a. urteropelvic junction
• A common formula used to calculate the maximum dosage of intravenous iodinated contrast material used in any CT examination is: 1 / 2
- 5 mg per kg of body weight
- 5 mL per lb of body weight
- 2 mL per kg of body weight
d. 1 mL per lb of body weight: c. 2 mL per kg of body weight
• During which of the following IV contrast phases does the bladder wall enhance?
- early arterial
- corticomedullary
- nephrographic
d. excretory: c. nephrographic
• The primary drainage opening with the sinus cavities which is a common site for
inflammation is referred to as the:
- mucosal fossa
- adenovestibular complex
- external olfactory canal
d. ostiomeatal complex: d. ostiomeatal complex
• The areas of image quality degradation indicated by number 3 on the figure are an example
of:
- aliasing artifact
- windmill artifact
- pulsation artifact
d. beam-hardening artifact: c. pulsation artifact
• Number 2 on the figure corresponds to which of the following?
- aortic arch
- pulmonary trunk
- superior vena cava
d. left anterior descending artery: b. pulmonary trunk
• During CT examinations of the chest, the administration of a saline flush after the bolus injection of iodinated IV contrast media helps alleviate artifact from dense contrast in the:
- ascending aorta
- / 2