( A+ Graded 100% Verified)2024/2505
1. Which of the following examinations require(s) special identification markers
in addition to the usual patient name and number, date, and side marker?
1. IVU
2. Tomography
3. Abdominal survey: 1, 2, and 3
2. What should you do if you discover while taking the patient history that a
patient scheduled for an intravenous urogram (IVU) takes Glucophage (metformin
hydrochloride) daily? 1. Proceed with the examination.
2. Reschedule the examination until the patient has been off Glucophage for 48
hours.
3. Instruct the patient to withhold the Glucophage for 48 hours after the
examination.: 1 and 3 only
3. An exposure was made using 300 mA, 0.04-second exposure, and 85 kVp. Each of
the following changes will decrease the radiographic density by one-half except a
change to: 10 mAs
4. LET is best defined as
1. a method of expressing radiation quality.
2. a measure of the rate at which radiation energy is transferred to soft tissue.
3. absorption of polyenergetic radiation.00: 1, 2, and 3
5. A cathartic is used to: stimulate defecation
6. Examples of primary radiation barriers
include
1. radiographic room walls.
2. lead aprons.
3. radiographic room floor.: 1 and 3 only
7. All of the following affect patient dose except: focal spot size
8. Which of the following would most likely result in the greatest skin dose?: short
SID
9. According to the NCRP, the annual occupational whole-body dose equivalent
limit is: 50 mSv
10. The zygopophyseal articulations of the thoracic spine are demonstrated with
the: coronal plane 70° to the IR.
, 11. Which of the following tube angle and direction combinations is correct for an
axial projection of the clavicle, with the patient in the PA position?: 15° to 30°
caudad
12. The presence of ionizing radiation may be detected in which of the following
ways?
1. Ionizing effect on air
2. Photographic effect on film emulsion
3. Fluorescent effect on certain crystals: 1, 2, and 3
13. Which of the following positions demonstrates all the paranasal sinuses?:
Lateral
14. Which of the following cells is the least radiosensitive?: Myocytes
15. Which interaction between x-ray photons and matter results in total absorption
of the incident photon?: Photoelectric effect
16. Which of the following statements regarding myelography is (are) correct?
1. Spinal puncture may be performed in the prone or flexed lateral position.
2. Contrast medium distribution is regulated through x-ray tube angulation.
3. The patient's neck must be in extension during Trendelenburg positions.: 1 and 3
only
17. During an intravenous urogram, the RPO position is used to demonstrate the
1. left kidney parallel to the IR.
2. right kidney parallel to the IR.
3. right kidney perpendicular to the IR.: 1 and 3 only
18. Foreshortening of an anatomic structure means that: it is projected on the IR
smaller than its actual size.
19. In the AP projection of an asthenic patient whose knee measures less than 19
cm from ASIS to tabletop, the central ray should be directed: 5° caudad
20. Which of the following is (are) required for a lateral projection of the skull?
1. The IOML is parallel to the IR.
2. The MSP is perpendicular to the IR.
3. The CR enters 2 inches superior to the external auditory meatus (EAM).: 1 only
21. The type of isolation practiced to prevent the spread of infectious agents in
aerosol form is: respiratory isolation.
22. Exposure factors of 80 kVp and 8 mAs are used for a particular nongrid
exposure. What should be the new mAs if an 8:1 grid is added?: 32 mAs