Ct Exam Registry Prep

136 Questions  I  By Tkraiger on July 29, 2009
Practice test questions that will get you ready for the CT registry

  
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1.  CT angiography of the brain is indicated in all of the following cases except:
A.
B.
C.
D.
2.  The preferred type of external storage devices used on CT scanning computers is:
A.
B.
C.
D.
3.  IV contrast is used in CT scans of the hip and pelvis to:
A.
B.
C.
D.
4.  THe main supply of blood to the spinal cord is delivered by the:
A.
B.
C.
D.
5.  Which of the following statements is FALSE regarding the temporomandibular joint?
A.
B.
C.
D.
6.  Bremsstrahlung is:
A.
B.
C.
D.
7.  Which of the following structures is best used as a landmark in CT angiography of the brain?
A.
B.
C.
D.
8.  CT plays a limited role in evaluation of the distal esophagus because:
A.
B.
C.
D.
9.  The ______lobe of the brain is responsible for visual perception.
A.
B.
C.
D.
10.  Adverse reactions to contrast media include all of the following EXCEPT:
A.
B.
C.
D.
11.  In an electron beam CT (EBCT) scanner, the type of radiation used to produce the image is:
A.
B.
C.
D.
12.  The dorsal tendon group is responsible for:
A.
B.
C.
D.
13.  Which of the following statements is FALSE regarding the maxillary sinuses?
A.
B.
C.
D.
14.  The extraocular muscles of the orbital muscle cone include all of the following EXCEPT the:
A.
B.
C.
D.
15.  The most appropriate landmark to use for orbital scans is the:
A.
B.
C.
D.
16.  If extravasation of contrast occurs, the technologist should do all of the following EXCEPT:
A.
B.
C.
D.
17.  Second-generation scanners were associated with the introduction of which of the following developments?
A.
B.
C.
D.
18.  Uniform marking of the small intestine with oral contrast agents can be achieved by:
A.
B.
C.
D.
19.  In a patient with an abdominal mass, CT scanning is used for all of the following EXCEPT?
A.
B.
C.
D.
20.  Spiral/helical CT:
A.
B.
C.
D.
21.  Which one of the following statements regarding CT scans for air trapping are TRUE?
A.
B.
C.
D.
22.  A proper IV contrast bolus for a soft-tissue scan of the neck is ___cc at ____cc/sec
A.
B.
C.
D.
23.  The major change in CT technology seen with fourth-generation scanners was:
A.
B.
C.
D.
24.  Collimation in CT scanning does NOT serve which of the following functions?
A.
B.
C.
D.
25.  Minimum CT scan times have been reduced from 5 minutes per slice in 1976 to _____seconds per slice in 2004.
A.
B.
C.
D.
26.  The CT urogram is a comprehensive protocol designed to detect or rule out all of the following EXCEPT:
A.
B.
C.
D.
27.  Which one of the following is NOT a factor affecting choice of a particular contrast agent?
A.
B.
C.
D.
28.  Uniphasic, biphasic, and exponential decay all describe types of:
A.
B.
C.
D.
29.  Which one of the following is NOT a lobe of the cerebrum?
A.
B.
C.
D.
30.  CT scanning exposes the patient to less radiation than a plain x-ray film because:
A.
B.
C.
D.
31.  Which superficial anterior muscle of the neck is known as the "muscle of facial expression"?
A.
B.
C.
D.
32.  The appropriate DFOV in CT scans of the elbow is approximately _____cm.
A.
B.
C.
D.
33.  Factors to consider in choosing a non-ionic, lower-osmolality agent over an ionic, higher-osmolality agent include all of the following except a history of:
A.
B.
C.
D.
34.  The line that extends from the fold at the corner of the eye to the external hole of the ear is known as the ______line
A.
B.
C.
D.
1 comment
35.  Which of the following is NOT one of the structures of the temporal bone?
A.
B.
C.
D.
36.  THe vertebral arteries directly supply blood to all the following structures except the:
A.
B.
C.
D.
37.  Which ONE of the following is an advantage of an angiocatheter over a butterfly needle?
A.
B.
C.
D.
38.  The term "noise" in CT imaging refers to:
A.
B.
C.
D.
39.  The roughened surface on the anterior surface of the tibia that provides an insertion point for the knee cap ligaments is the:
A.
B.
C.
D.
40.  The muscles of mastication include all of the following EXCEPT the:
A.
B.
C.
D.
41.  Exposure to radiation may affect cells in all of the following ways EXCEPT:
A.
B.
C.
D.
1 comment
42.  The correct Hounsfield unit measurement for acute intracranial hemmorhage is:
A.
B.
C.
D.
43.  The measure of the total number of particles in contrast solution per kilogram of water describes:
A.
B.
C.
D.
44.  Which of the following artifacts is also referred to as the cupping artifact?
A.
B.
C.
D.
45.  The imaging procedure involving the injection of contrast agents into the spinal canal is:
A.
B.
C.
D.
46.  How man cc of contrast is appropriate to deliver for a routine brain scan?
A.
B.
C.
D.
47.  Slip ring technology made spiral CT a possibility by:
A.
B.
C.
D.
48.  Which one of the following statements regarding the petrous pyramids is FALSE?
A.
B.
C.
D.
49.  Phonation technique is sometimes employed in what type of CT scan?
A.
B.
C.
D.
50.  The field of view for pituitary gland scans should be ____cm.
A.
B.
C.
D.
51.  If iodinated contrast is used in scans of the humerus and forearm, the appropriate scan delay time is _______sec.
A.
B.
C.
D.
52.  In a routine neck scan, a lateral localizer light should be situated:
A.
B.
C.
D.
53.  Barium should not be used in patients with:
A.
B.
C.
D.
54.  The portion of the dura mater that separates the cerebellum from the cerebrum is known as the :
A.
B.
C.
D.
1 comment
55.  What is the proper patient positioning for axial CT scans of the orbits?
A.
B.
C.
D.
56.  The gantry angle for a sinus cavity CT scan should be:
A.
B.
C.
D.
57.  In addition to having the patient raise the arms above the head, technologists can minimize scan artifacts in musculoskeletal CT imaging by:
A.
B.
C.
D.
58.  Which one of the following is NOT a structure of the eyeglobe?
A.
B.
C.
D.
59.  The sciatic nerve carries nerve fibers from the vertebral interspaces most prominently at:
A.
B.
C.
D.
60.  MRI may be of greater value than CT for musculoskeletal imaging of ___.
A.
B.
C.
D.
61.  The Agaston score is a measurement of the:
A.
B.
C.
D.
62.  When conducting CT scans of the ankle, the ankles
A.
B.
C.
D.
63.  The device in the gantry that measures the intensity of the x-ray beam emanating from the tube is called the:
A.
B.
C.
D.
64.  The viscosity of a contrast agent refers to:
A.
B.
C.
D.
65.  The technique of ______is best described as capturing cardica CT images using estimates of the patient's RR interval based on initial electrocardiographic recordings of these intervals:
A.
B.
C.
D.
66.  Which of the following terms is used to describe the effectiveness with which the detectors gather the photons transmitted from the patient?
A.
B.
C.
D.
67.  A CT scan of the cervical spine should extend from the:
A.
B.
C.
D.
68.  The most common reason to perform CT scanning of the lumbar spine is to:
A.
B.
C.
D.
69.  A needle with plastic projections on either side that aid in holding the needle during venipuncture best describes a (an):
A.
B.
C.
D.
70.  Which one of the following is TRUE regarding ionic contrast media?
A.
B.
C.
D.
71.  Attachment of the vertebral column to the pelvis is provided by the:
A.
B.
C.
D.
72.  How many display fields of view are recommended to obtain a complete CT scan of the neck?
A.
B.
C.
D.
73.  The ideal kVp/mAs settings for a posterior fossa scan are:
A.
B.
C.
74.  Which of the following statements concerning CT angiography of the neck is FALSE?
A.
B.
C.
D.
75.  Which of the following statements is true about tube current?
A.
B.
C.
D.
76.  Intravenous contrast is recommended for CT scans of the brain in all cases EXCEPT:
A.
B.
C.
D.
77.  CT scanning of the thoracic spine is indicated for all of the following EXCEPT to:
A.
B.
C.
D.
78.  Which of the following statements about slip ring technology is NOT true?
A.
B.
C.
D.
79.  The primary reason for having the patient extend the arms above the head during a thoracic CT scan is that it
A.
B.
C.
D.
80.  What type of scout scans should be taken prior to performing craniofacial scans?
A.
B.
C.
D.
81.  In abdominal and pelvic CT imaging, IV contrast provides all of the following benefits EXCEPT:
A.
B.
C.
D.
82.  Which of the following statements about solid state generators is NOT true?
A.
B.
C.
D.
83.  What is the most common indication for CT of the hip?
A.
B.
C.
D.
84.  An appropriate length of scan delay in seconds following contrast injection for orbital scan is:
A.
B.
C.
D.
85.  Partial thromboplastin time (PTT) measures the time required:
A.
B.
C.
D.
86.  For pituitary scans, intravenous contrast should be injected at a rate of ___cc/sec
A.
B.
C.
D.
1 comment
87.  Scan coverage for a temporal bone scan should cover the:
A.
B.
C.
D.
88.  The function of the detector is to:
A.
B.
C.
D.
89.  The ________ is/are the smallest of the cranial bones.
A.
B.
C.
D.
90.  The posterior elements of the vertebra are the:
A.
B.
C.
D.
91.  For the evaluation of herniated dics, CT provides _____________over MRI.
A.
B.
C.
D.
92.  Which of the following statements regarding CTA of the abdomen is FALSE?
A.
B.
C.
D.
93.  The gelatinous core at the center of an intervertebral disc is called the:
A.
B.
C.
D.
94.  The spinal cord originates at the foramen magnum in the skull base and extends approximately to the level of:
A.
B.
C.
D.
95.  THe paired bones of the craniofacial area include all of the following except the _______bones:
A.
B.
C.
D.
96.  The late effects of radiation exposure include all of the following EXCEPT development of:
A.
B.
C.
D.
97.  The recommended maximum slice thickness for display of CT scans of the abdomen and pelvis is _____mm.
A.