WorksheetsFinal review pt 2
Total questions: 50
Worksheet time: 25mins
CR centering for an esophagogram should be to the vertebral level of:
T3 or T4
T5 or T6
T7
the sternal angle
Cobalt-60–based units are used for intraoperative radiation therapy (IORT) procedures of the brain.
False
True
Computer-aided detection (CAD) is reported to improve cancer detection rates by:
2%
4%
50%
5% to 15%
Current multislice CT scanners can acquire up to 320 slices per x-ray tube rotation.
True
False
During the initial enema tip insertion, the tip is aimed:
directly superior.
toward the umbilicus.
toward the coccyx.
directly posterior.
Each gradient coil is an electromagnet
True
False
Fear and combative resistance from a young child are common initial responses to a radiographic procedure.
True
False
For an average adult, the amount of barium ingested is one 16-oz cup for a small bowel only series.
True
False
Functional MRI is based on the:
decrease in signal produced during selective neural activity of the brain.
decrease in blood flow to the local vasculature that accompanies neural activity in the brain.
increase in the uptake of contrast media within the brain.
changes in blood flow to the local vasculature that accompany neural activity in the brain.
Gonadal shielding should not be used for any studies of the pelvis for bilateral hip evaluation.
False
True
How is the CR aligned for the acanthiomeatal (reverse Waters) projection for the facial bones?
Perpendicular to the plane of the IR
Parallel to the lips-meatal line
15-degree cephalad angle to the orbitomeatal line
Parallel to the mentomeatal line
How much CR angulation should be used for an AP axial projection of the clavicle on an asthenic patient?
30-degree cephalad
15-degree caudal
40-degree caudal
10-degree cephalad
How much barium is typically given to a 3- to 10-year-old child during an upper GI series?
6 to 12 ounces
14 to 16 ounces
1 cup
4 to 6 ounces
How much central ray (CR) angulation is required for the mediolateral oblique projection of an average-sized breast?
60 degrees
45 degrees
70 degrees
90 degrees
How much rotation away from the IR is required for a trauma scapular Y projection?
45 to 60 degrees
25 to 30 degrees
35 to 45 degrees
15 to 20 degrees
How should a breast implant be moved for a craniocaudal projection?
It is displaced laterally
No attempt should be made to move the implant because of the danger of rupture
It is displaced posteriorly toward the chest wall
It is displaced anteriorly toward the apex
How should the CR be aligned for a trauma PA projection of the elbow?
Perpendicular to the interepicondylar plane
None of the options; projection should be taken AP, not PA
Parallel to the interepicondylar plane
Perpendicular to the palmar surface of the hand
How should the CR be aligned for an AP projection of the chest?
Perpendicular to the long axis of the sternum
Parallel to the midsagittal plane
Perpendicular to the plane of the image receptor (IR)
Perpendicular to the midcoronal plane
Ideally, the horizontal beam lateral projections for the cervical spine require a ____ source–image receptor distance (SID).
96-inch (245-cm)
40- to 44-inch (100- to 110-cm)
72-inch (180-cm)
35- to 40-inch (90- to 100-cm)
In what position is the patient placed for the enema tip insertion?
Prone
Modified lithotomy
Sims
Lithotomy
In which quadrant of the left breast would the 7 o’clock position be located?
LOQ
UIQ
UOQ
LIQ
Increasing the SID to 50 inches (130 cm) without a change in technical factors will decrease pediatric exposure without a loss of image detail.
True
False
It is the responsibility of the technologist to determine if child abuse has occurred and then report it to law enforcement.
True
False
Lipids (fats) are broken down into fatty acids and glycerol as they are digested and absorbed by the:
stomach only
none of the options (are not digested)
stomach and small bowel
small bowel only
MRI can produce axial, sagittal, and coronal perspectives of the anatomy.
True
False
MRI uses a low-energy form of ionizing radiation.
False
True
OR tables are considered sterile only at the level of the tabletop.
True
False
On a T1-weighted image, fat appears as a ____ signal.
light gray
dark
dark gray
bright
On a T2-weighted image, white brain matter appears as a ____ signal.
dark
dark gray
light gray
bright
Once food enters the stomach and is mixed with gastric secretions, it is termed:
chyme
bile
lipids
biologic catalysts.
Only sterile items are allowed within the sterile field.
True
False
Patient preparation for an adult upper GI series includes:
NPO 4 hours before the procedure
nothing; no patient preparation is required
NPO 24 hours before the procedure
NPO 8 hours before the procedure
Postreduction projections of the upper and lower limbs generally require only the joint nearest to the fracture site.
True
False
Protective aprons worn during fluoroscopy must possess at least ____ mm lead equivalency (Pb/Eq.).
0.25
0.5
0.75
1
Submillimeter slice thicknesses are possible with multislice CT scanners.
True
False
The 2 o’clock position in the left breast corresponds to the ____ o’clock position in the right breast.
2
10
5
8
The AP reverse Caldwell projection for a trauma skull examination requires the CR be:
15-degree cephalad to the orbitomeatal line
parallel to the infraorbitomeatal line
parallel to the lips-meatal line
parallel to the orbitomeatal line.
The American Cancer Society estimates one in _____ women will develop invasive breast cancer
four
two
six
eight
The ImageGently ®.org campaign is designed to use minimal immobilization techniques and measures when imaging a young child.
False
True
The abbreviation ORIF refers to:
orthopedic rodding internal fixation
open reduction internal fracture
orthopedic reduction internal fixation
open reduction internal fixation
The adhesive surface of the tape should be applied directly to the skin of infants to help prevent movement of the body part during the exposure.
False
True
The capability to create accurate reconstruction of patient data into alternative planes (coronal, sagittal, three dimensional) is termed:
multiplanar reconstruction
algorithmic reconstruction
multiple image reconstruction
maximum intensity projection
The gantry houses the x-ray tube and the detector array.
True
False
The glandular tissue of the breast is divided into 15 to 20:
sections
ducts
lobes
partitions
The height of the enema bag must be set at 40 inches (100 cm) above the radiographic table at the onset of the study.
False
True
The horizontal beam lateral lumbar spine projection requires a CR position that is:
perpendicular to the coronal plane
perpendicular to the vertebral column
angled 5- to 7-degree cephalic
ngled 5- to 7-degree caudad.
The ideal kVp range for a double-contrast barium enema is:
130 to 140
90 to 100
100 to 125.
70 to 80
The liver is located primarily in the ____ of the abdomen.
RUQ
LLQ
RLQ
LUQ
The location of origin of the MR signal within the patient is determined by:C
TE (time-to-echo)
relaxation time
frequency of MR signal
wavelength of MR signal.
The loud “knocking” heard during an MRI study is due to the gradient coils.
True
False
