RWST016 COMPREHENSIVE STUDY GUIDE
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ 400.
Answer: The image in the figure was most likely displayed with the use of
which of the following window widths?a. 70b. 400c. 1300d. 3800
◍ left primary bronchus.
Answer: Number 3 on the figure corresponds to which of the following?a.
esophagusb. left pulmonary veinc. trachead. left primary bronchus
◍ 1 and 2 only.
Answer: The intrathecal admin of an iodinated contrast agent in the pt in the
figure would allow for greater visualization of the:1. spinal cord2. nerve
roots3. anulus fibrosus
◍ Minimum Range (Rmin).
Answer: Rmin=(c*PW)/2
◍ Pulse Repetition Frequency (PRF).
Answer: Pulses per second.PRF = 1 / PRT
◍ abdominal aorta.
Answer: Number 3 on the figure corresponds to which of the following?a.
inferior vena cavab. common iliac arteryc. abdominal aortad. superior
mesenteric artery
◍ Frequency.
Answer: How many waves pass a point each second (Hz) Higher frequency
→ more waves passing a point each second.
◍ what does peak YTM measure?.
, Answer: the contribution of the tympanic membrane alone- distance from
the bottom point of the tymp to the peak point (difference of the peak to tail
end)-normal YTM values: .3-1.7
◍ What TSP has most impact.
Answer: Temperature: in upper water areasPressure: in deep waterSalinity:
estuaries
◍ Wavelength.
Answer: Distance between repeating points of waves
◍ how do you know if a tymp is type B?.
Answer: the tymp will look flat. There is something in the ear blocking the
middle ear to the cochlea. Check the ECV for what is going on the
ear-anything less than .9 means the ECV is abnormally small, there is a
foreign object in the ear (wax, bean)-anything larger than 2.0 means the
ECV is abnormally large, there is a hole in the TM or pe tube-anything
between 9. and 2.0 means it is within normal limits. There is otitis media
(ear infection. lots of fluid)
◍ For WRS testing, what is the % correct for a POOR score? What is difficult
to do in this range?.
Answer: 50-60%Difficult to follow conversations
◍ WL +50, WW 400soft tissue window.
Answer: Which of the following window settings was used to display the
image in the figure?a. WL -400, WW 1500b. WL 0, WW 150c. WL +50,
WW 400d. WL +275, WW 2500
◍ left ovary.
Answer: Number 2 on the figure corresponds to which of the following?a.
left ovaryb. bladderc. sigmoid colond. uterus
◍ common carotid artery.
Answer: Number 1 on the figure corresponds to which of the following?a.
common carotid arteryb. external jugular veinc. internal jugular veind.
brachiocephalic artery
, ◍ +50.
Answer: The image in the figure was most likely displayed in a window
with a level of:a. -150b. 0c. +50d. +400
◍ right pulmonary artery.
Answer: Number 1 on the figure corresponds to which of the following?a.
right brachiocephalic arteryb. right pulmonary arteryc. right
pericardiacophrenic arteryd. right subclavian artery
◍ UVJ junction.
Answer: Number 4 on the figure corresponds to which of the following?a.
ureteropelvic junctionb. phlebolithc. ureterovesical junctiond appendicolith
◍ left posterior cerebral artery.
Answer: Number 3 on the figure corresponds to which of the following?a.
left posterior cerebral arteryb. left middle cerebral arteryc. left anterior
cerebral arteryd. left posterior communicating artery
◍ water.
Answer: The density measurement performed in the figure yielded an avg
CT number of zero. This area consists of:a. fatb. bloodc. waterd. air
◍ 3.
Answer: Which number in the figure corresponds to the trapezius muscle?a.
4b. 3c. 6d. 5
◍ out-of-field artifact.
Answer: The artifact present on the lateral borders of the image in the figure
most likely represents which of the following?a. edge gradientb. out-of-field
artifactc. tube arcingd. beam hardening
◍ talus.
Answer: Number 1 on the figure corresponds to which of the following?a.
navicularb. cuboidc. calcaneusd. talus
◍ in-plane spatial resolution.
Answer: The graph in the figure is used to evaluate which of the following
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ 400.
Answer: The image in the figure was most likely displayed with the use of
which of the following window widths?a. 70b. 400c. 1300d. 3800
◍ left primary bronchus.
Answer: Number 3 on the figure corresponds to which of the following?a.
esophagusb. left pulmonary veinc. trachead. left primary bronchus
◍ 1 and 2 only.
Answer: The intrathecal admin of an iodinated contrast agent in the pt in the
figure would allow for greater visualization of the:1. spinal cord2. nerve
roots3. anulus fibrosus
◍ Minimum Range (Rmin).
Answer: Rmin=(c*PW)/2
◍ Pulse Repetition Frequency (PRF).
Answer: Pulses per second.PRF = 1 / PRT
◍ abdominal aorta.
Answer: Number 3 on the figure corresponds to which of the following?a.
inferior vena cavab. common iliac arteryc. abdominal aortad. superior
mesenteric artery
◍ Frequency.
Answer: How many waves pass a point each second (Hz) Higher frequency
→ more waves passing a point each second.
◍ what does peak YTM measure?.
, Answer: the contribution of the tympanic membrane alone- distance from
the bottom point of the tymp to the peak point (difference of the peak to tail
end)-normal YTM values: .3-1.7
◍ What TSP has most impact.
Answer: Temperature: in upper water areasPressure: in deep waterSalinity:
estuaries
◍ Wavelength.
Answer: Distance between repeating points of waves
◍ how do you know if a tymp is type B?.
Answer: the tymp will look flat. There is something in the ear blocking the
middle ear to the cochlea. Check the ECV for what is going on the
ear-anything less than .9 means the ECV is abnormally small, there is a
foreign object in the ear (wax, bean)-anything larger than 2.0 means the
ECV is abnormally large, there is a hole in the TM or pe tube-anything
between 9. and 2.0 means it is within normal limits. There is otitis media
(ear infection. lots of fluid)
◍ For WRS testing, what is the % correct for a POOR score? What is difficult
to do in this range?.
Answer: 50-60%Difficult to follow conversations
◍ WL +50, WW 400soft tissue window.
Answer: Which of the following window settings was used to display the
image in the figure?a. WL -400, WW 1500b. WL 0, WW 150c. WL +50,
WW 400d. WL +275, WW 2500
◍ left ovary.
Answer: Number 2 on the figure corresponds to which of the following?a.
left ovaryb. bladderc. sigmoid colond. uterus
◍ common carotid artery.
Answer: Number 1 on the figure corresponds to which of the following?a.
common carotid arteryb. external jugular veinc. internal jugular veind.
brachiocephalic artery
, ◍ +50.
Answer: The image in the figure was most likely displayed in a window
with a level of:a. -150b. 0c. +50d. +400
◍ right pulmonary artery.
Answer: Number 1 on the figure corresponds to which of the following?a.
right brachiocephalic arteryb. right pulmonary arteryc. right
pericardiacophrenic arteryd. right subclavian artery
◍ UVJ junction.
Answer: Number 4 on the figure corresponds to which of the following?a.
ureteropelvic junctionb. phlebolithc. ureterovesical junctiond appendicolith
◍ left posterior cerebral artery.
Answer: Number 3 on the figure corresponds to which of the following?a.
left posterior cerebral arteryb. left middle cerebral arteryc. left anterior
cerebral arteryd. left posterior communicating artery
◍ water.
Answer: The density measurement performed in the figure yielded an avg
CT number of zero. This area consists of:a. fatb. bloodc. waterd. air
◍ 3.
Answer: Which number in the figure corresponds to the trapezius muscle?a.
4b. 3c. 6d. 5
◍ out-of-field artifact.
Answer: The artifact present on the lateral borders of the image in the figure
most likely represents which of the following?a. edge gradientb. out-of-field
artifactc. tube arcingd. beam hardening
◍ talus.
Answer: Number 1 on the figure corresponds to which of the following?a.
navicularb. cuboidc. calcaneusd. talus
◍ in-plane spatial resolution.
Answer: The graph in the figure is used to evaluate which of the following
