CT Registry Prep 2
Anatomy quizzes to get ready for the registry.
- 1.Clinical indications for musculoskeletal CT include all of the following EXCEPT:
- A.
Evaulation of trauma
- B.
Detection of metastatic disease
- C.
Determining the extent of ishemic bone
- D.
Evaluation of metabolic disease
- 2.Contrast-enhanced CT is indicated to diagnose all of the following EXCEPT:
- A.
Primary tumors
- B.
Metastases
- C.
Infection
- D.
Spinal cord integrity
- 3.CT may be preferable to MRI in the knee for all of the following indications EXCEPT:
- A.
Evaluation of anterior cruciate liagament tears
- B.
Presurgical mapping of the area
- C.
Detection of patellofemoral disorders
- D.
Detection of bony lesions
- 4.CT of the scapula is used for all of the following applications EXCEPT:
- A.
Detecting fractures that cannot be seen on plain film x-ray
- B.
As a replacement for arthrography to assess the integrity of the rotator cuff
- C.
Mapping out the relationship among bone fragments in cases of complex fracture
- D.
Determining the degree of fracture displacement from trauma
- 5.The blood vessel of the lower extremity that is the major source of thrombi leading to pulmonary embolism is the:
- A.
Popliteal vein
- B.
Popliteal fossa
- C.
Posterior tibial artery
- D.
Femoral artery
- 6.The ______ muscle of the rotator cuff is responsible for providing outward rotation of the arm
- A.
Infraspinatus
- B.
Supraspinatus
- C.
Subscapularis
- D.
Deltoid
- 7.A typical concentration of iodinated contrast used in musculoskeletal CT studies is _____mgI/mL.
- A.
150
- B.
240
- C.
320
- D.
400
- 8.Which one of the following is NOT a bony structure of the pelvis?
- A.
Talus
- B.
Ilium
- C.
Ischium
- D.
Pubic ramis
- 9.Which one of the following is NOT a potential risk factor for an adverse reaction to iodinated contrast?
- A.
History of diabetes
- B.
Congestive heart failure
- C.
History of sever hypersensitivity to insect stings
- D.
Renal disease
- 10.The _______muscle provides teh strongest flexing action for the hip
- A.
Iliopsoas
- B.
Ligamentum teres
- C.
Pubofemoral teres
- D.
Iliofemoral
- 11.Which one of the following statements regarding breath-holding during the CT examination is TRUE?
- A.
The excellent spatial resolution of 16-slice scanners means that breath-holds are no longer required
- B.
Although scan times are shorter, a breath hold of up to 30 seconds may be needed, as scans are now covering wider body areas
- C.
The use of iodinated contrast may interefere with breath-holding
- D.
Breathing during the scan increases the riskk of streak artifacts
- 12.Which one of the following statements regarding CT of the sternoclavicular joint is FALSE?
- A.
Most injuries to this joint are caused by penetrating trauma
- B.
Fractures may be accompanied by fractures of the superior ribs
- C.
IV contrast should be given in cases of joint dislocation to rule out injury to the great vessels
- D.
Fractures of the shoulder joint should also be suspected with sternoclavicular joint injury
- 13.CT should not be used if the patient is wearing a plaster cast.
- A.
True
- B.
False
- 14.Which one of the following statements regarding the acetabulum is FALSE?
- A.
It is composed of the ilium, the ishium, and the pubis
- B.
It articulates with the femur to form the hip joint
- C.
Its fossa contains the femoral head as well as the principle ligaments of the hip joint
- D.
It appears as three distinct columns on axial cross-sectional images
- 15.The brachial artery:
- A.
Is the primary blood supply to the elbow
- B.
Branches below the elbow to form the radial and ulnar arteries
- C.
Supplies only 30% of blood to the elbow
- D.
Is easily visualized in the antecubital fossa
- 16.The ______process of the sternum is used as a landmark in localizer scans
- A.
Manubrium
- B.
Jugular notch
- C.
Xiphoid
- D.
Sternal angle
- 17.The _____tendon is the most frequently injured tendon of the rotator cuff
- A.
Biceps
- B.
Supraspinatus
- C.
Acromioclavicular
- D.
Glenoid
- 18.The thoracic region of the spinal column contains ___ vertebrae.
- A.
7
- B.
10
- C.
12
- D.
15
- 19.The intervertebral foramina:
- A.
Are formed by the superior and anterior notches of adjacent vertebrae
- B.
Are only present in the lumbar vertebrae
- C.
Allow for the ingress and egress of nerve root
- D.
Serve as attachment sites for the muscles of the back
- 20.Indications for routine CT of the cervical spine include all of the following EXCEPT:
- A.
Fracture
- B.
Osteogenesis imperfecta
- C.
Radiculopathy
- D.
Stenosis
- 21.The recommended display slice thickness for a routine cervical spine scan using a 16-slice CT scanner is ____mm.
- A.
1
- B.
2
- C.
3
- D.
4
- 22.For a CT scan of the lumbar spine requiring contrast, the contrast should be injected at a rate of ___ cc/sec.
- A.
- B.
1-1.5
- C.
1-2
- D.
2.5
- 23.Patients who have had a prior allergic reaction to a contrast agent should be asked all of the following EXCEPT:
- A.
How were the symptoms?
- B.
Were you hospitalized for the reaction?
- C.
How were the symptoms treated?
- D.
Are you allergic to shellfish?
- 24.The most common patient position for spine and musculoskeletal scanning is:
- A.
Feet first, supine
- B.
Head first, supine
- C.
Head first, prone
- D.
Decubitis
- 25.All of the following sections of the scapula serve as attachment sites for muscles EXCEPT the:
- A.
Scapular spine
- B.
Acromion
- C.
Glenoid fossa
- D.
Glenoid process
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