ASRT PRACTICE EXAM 2 2026 QUESTIONS
WITH VERIFIED CORRECT ANSWERS
◉ For a routine chest, the patient should be positioned. Answer:
arms above their head and headfirst into the gantry
◉ For bolus tracking during a CTA Brain/Neck, the region of interest
(ROI) is placed in the. Answer: carotid artery
◉ The target anode of the CT xray tube is usually made of. Answer:
tungsten
◉ The appropriate needle size to deliver IV contrast at rates of 3
mL/s or higher is. Answer: 20 gauge
◉ Effects of radiation exposure such as cancers, which are not based
on the amount of radiation received are called. Answer: stochastic
◉ The MTF is calculated to determine the CT scanners. Answer:
spatial resolution
, ◉ With more detector rows, the amount of data collected per
evolution of the xray tube will ___________ and the scan time will.
Answer: increase; decrease
◉ The Lambert-beer equation compares the relationship between
the intensity of the radiation and the. Answer: objects density
◉ How do bowtie filters reduce patient dose. Answer: bowtie filters
reduce beam intensity peripherally, corresponding to the thinner
area of the patients body
◉ What WW and WL will demonstrate bony structures without soft
tissue details. Answer: WW 2000, WL 500
◉ Modern CT scanners use ___________ detectors for better overall
efficiency. Answer: scintillation
◉ Wide window width is useful for. Answer: abdomen exams
◉ What is a clinical indication for a CT colonography. Answer:
incomplete colonoscopy
◉ Dialysis patients receiving IV contrast must schedule their next
dialysis treatment. Answer: on their current dialysis schedule
WITH VERIFIED CORRECT ANSWERS
◉ For a routine chest, the patient should be positioned. Answer:
arms above their head and headfirst into the gantry
◉ For bolus tracking during a CTA Brain/Neck, the region of interest
(ROI) is placed in the. Answer: carotid artery
◉ The target anode of the CT xray tube is usually made of. Answer:
tungsten
◉ The appropriate needle size to deliver IV contrast at rates of 3
mL/s or higher is. Answer: 20 gauge
◉ Effects of radiation exposure such as cancers, which are not based
on the amount of radiation received are called. Answer: stochastic
◉ The MTF is calculated to determine the CT scanners. Answer:
spatial resolution
, ◉ With more detector rows, the amount of data collected per
evolution of the xray tube will ___________ and the scan time will.
Answer: increase; decrease
◉ The Lambert-beer equation compares the relationship between
the intensity of the radiation and the. Answer: objects density
◉ How do bowtie filters reduce patient dose. Answer: bowtie filters
reduce beam intensity peripherally, corresponding to the thinner
area of the patients body
◉ What WW and WL will demonstrate bony structures without soft
tissue details. Answer: WW 2000, WL 500
◉ Modern CT scanners use ___________ detectors for better overall
efficiency. Answer: scintillation
◉ Wide window width is useful for. Answer: abdomen exams
◉ What is a clinical indication for a CT colonography. Answer:
incomplete colonoscopy
◉ Dialysis patients receiving IV contrast must schedule their next
dialysis treatment. Answer: on their current dialysis schedule
