Radiology MCQ Flashcards
1
Q
1-An x-ray is a bundle of electromagnetic energy called…
A) Proton.
B) Electron.
C)Photon.
D) Nucleus.
A
C)Photon.
2
Q
2-A Tungsten anode is used in an X-ray tube, because…
A) High melting point.
B) High atomic Number.
C) It is a metal.
D) Low atomic number.
A
A) High melting point.
3
Q
3- In an X-ray tube, when electrons hit the Tungsten anode, most of their kinetic energy is lost as…
A) Photons.
B) Heat.
C) Static energy.
D) X-ray.
A
B) Heat.
4
Q
4- Lead is a useful shielding material for x-rays because..
A) It has high melting point.
B) It has high atomic number.
C) It scatters X-ray photons.
D) It is reflects X-ray photons.
A
B) It has high atomic number
5
Q
5- The biological hazards of x-ray are due to
A) Primary x-ray.
B) Secondary x-ray.
C) Scattered radiation.
D) Non-ionizing radiation.
A
C) Scattered radiation.
6
Q
6- Who is exposed the most to biological effect of x-ray?
A) Females.
B) Fetuses.
C) Infants.
D) Children.
A
B) Fetuses.
7
Q
- Which type of imaging modality uses rotating x-ray source and
detectors?
A) Helical CT scan.
B) MRI.
C) Fluoroscopy.
D) Angiography.
A
A) Helical CT scan.
8
Q
8- Hounsfield units represent which of the following?
A) Tissue intensity.
B) Tissue density.
C) Tissue echogenicity.
D) Tissue perfusion.
A
B) Tissue density.
9
Q
9- The disadvantages of ultrasonography.
A) Operator-dependant.
B) Cannot penetrate bone.
C) Has relatively poor quality in gaseous abdomen.
D) All of the above.
A
D) All of the above.
10
Q
10- Contraindications of MRI include:
A) Claustrophobia.
B) Intracranial aneurysms.
C) Cardiac pacemakers.
D) All of the above.
A
D) All of the above.
11
Q
11- If you have a patient with metastatic cancer breast to the bones:-
What is the modality that is likely used for diagnosing extent of bony
lesions:-
a. X-Ray.
b. CT.
c. Isotopic bone scan.
d. MRI.
A
c. Isotopic bone scan.
12
Q
- Contraindications to MRI
a) cardiac pacemaker.
b) metallic Foreign Body.
c) Postoperative
d) (a) and (b)
A
d) (a) and (b)
13
Q
- A 47 years old man with accidentally discovered renal mass at abdominal ultrasonography and MRI was requested. Which of the following is considered as absolute contraindication to MRI?
a. Bronchial asthma
b. Cardiac pacemakers
c. Femoral artery stent
d. Renal failure
A
b. Cardiac pacemakers
14
Q
14- Before you perform CT scan of the abdomen with oral and IV contrast the patient should have:
A) Normal kidney function.
B) Normal liver function.
C) Normal kidney and liver function.
D) Normal blood picture.
A
A) Normal kidney function.
15
Q
- Plain radiography is least useful in the diagnosis of:
A) Intestinal obstruction.
B). Urinary calculi.
C). Pneumoperiteum.
D) Solid organs and metastatic diseases.
A
D) Solid organs and metastatic diseases.
16
Q
- What is the most sensitive imaging investigation for staging
of colon cancer diagnosed at colonoscopy?
A) CT of the chest, abdomen and pelvis.
B) Abdominal ultrasound scan.
C) Double-contrast barium.
D) FDG PET/CT.
A
D) FDG PET/CT.
17
Q
- Regarding DEXA:
A) It does not use ionizing radiation.
B) It can be safely used in pregnant females.
C) It is used to diagnose osteoporosis.
D) It has the disadvantage of being operator dependant.
A
C) It is used to diagnose osteoporosis.
18
Q
- Fluoroscopy is used in all the following except:
A) Angiography.
B) Ascending cystography.
C) Double-contrast barium.
D) Detection of breast mass.
A
D) Detection of breast mass.
19
Q
- The appearance of acute intracranial acute haemorrhage in
CT will be:-
a- Hyperdense (bright).
b- Hypodense (Dark).
c- Signal void.
d- Isodense
A
a- Hyperdense (bright).
20
Q
- Regarding the CT; which of the following is incorrect:-
a- widely available.
b- Can be used in patients with MR-incompatible hardware.
c- Not sensitive to the presence of acute haemorrhage and calcification.
d- Sensitive to bone fractures.
A
c- Not sensitive to the presence of acute haemorrhage and calcification.
21
Q
- Regarding CT; all of the followings are correct except:-
a- Exposed to ionizing radiation.
b- Exposed to iodine based contrast agents.
c- Images of the brainstem and posterior fossa are often degraded by “streak artifacts” from dense bone.
d-Insensitive to detection of bone fractures.
A
d-Insensitive to detection of bone fractures.
22
Q
22- The preferred and first imaging modality of choice for studying all acute head injuries is:-
a- CT
b- MRI
c- X ray
d- Ultrasound.
A
a- CT
23
Q
23-The first-line imaging modality for cerebral aneurysm detection is:-
a- CT Angiography.
b- Conventional angiography.
c- Ultrasound
d- PET/CT.
A
a- CT Angiography.
24
Q
24- Infarctions are demonstrated earlier and are more obvious on:-
a- CT.
b-MRI.
c- Ultrasound.
d- X ray
A
b-MRI.
25
25- The best examination to perform in most cases of suspected acute intracranial haemorrhage is:-
a- CT
b- MRI
c- Ultrasound
d- X ray.
a- CT
26
26- The imaging modality of choice for better assessment of intra-cranial infections is:-
a- CT scan bone window.
b- Contrast enhanced MRI.
c- X ray.
d- Ultrasound.
b- Contrast enhanced MRI.
27
27- The following imaging modality allows visualization of intra-spinal anatomy with much higher contrast resolution:-
a- CT
b- MRI
c- X ray
d- Ultrasound
b- MRI
28
28-The initial examination for the evaluation of spine trauma:-
a- PET/CT
b- MRI
c- X ray.
d- Ultrasound.
c- X ray.
29
29- The first imaging modality of choice in cases of suspected thyroid disease:-
a- Enhanced MRI.
b- Ultrasound.
c- CT
d- X ray.
b- Ultrasound.
30
30- In patients with suspected metastatic spinal marrow and meningeal lesions; the following is the modality of choice:-
a- Plain film.
b- CT.
c- Contrast enhanced MRI.
d- Ultrasound.
c- Contrast enhanced MRI.
31
31. Regarding X ray the following is true except:
A) scattered when passing through tissue.
B) are not absorbed by tissues.
C) air offers the least resistance to its passage.
D) can be used to diagnose osteoporosis.
B) are not absorbed by tissues.
32
32. MRI:
A) Works on nitrogen atoms.
B) offers less soft tissue details than CT.
C) excellent modality for assessment of sports injury.
D) contraindicated in patients with cardiac diseases.
C) excellent modality for assessment of sports injury.
33
33. Regarding ultrasonography all are true except:
A) is relatively cheap available imaging modality.
B) can be used to assess thyroid disorders.
C) can be used safely in pregnant females.
D) Initial imaging modality to assess fractures in children.
D) Initial imaging modality to assess fractures in children.
34
34. Regarding Doppler ultrasonography all are true except:
A) is a special type of ultrasonography that use radio frequency to diagnose vascular diseases.
B) is operator dependant.
C) cannot penetrate bones.
D) is a non invasive and cheap available imaging modality.
A) is a special type of ultrasonography that use radio frequency to diagnose vascular diseases.
35
35. Regarding conventional radiography:
A) uses non ionizing radiation.
B) better than MRI in initial evaluation of fractures.
C) operator dependant.
D) is an expensive available imaging modality
B) better than MRI in initial evaluation of fractures.
36
36. PET/CT:
A) is a novel imaging modality used to diagnose neoplastic diseases.
B) combines anatomical and metabolic information.
C) uses radioactive tracer.
D) all the above.
D) all the above.
37
37. Advantages of CT scan include:
a) More sensitive than plain x-rays.
b) Show bone and soft tissues.
c) images may be obtained in Coronal and Sagittal planes.
d) All of above.
d) All of above.
38
38- The most effective content of the body that affects the MRI image appearance is:-
a) Water (Hydrogen).
b) Carbon.
c) Sodium.
d) Calcium
a) Water (Hydrogen).
39
39-In PET CT, for functional imaging in cancer cases, the radiopharmaceutical used is
A) Fluorodeoxyglucose (FDG).
B) Gadolinium.
C) Omnipaque.
D) Technetium.
A) Fluorodeoxyglucose (FDG).
40
40- If you have a patient with a painful knee joint: Which cheap and available first modality will you ask for examination:-
a. X-ray.
b. U.S.
c. CT
d. MRI
a. X-ray.
41
41- The standard two views in musculoskeletal X-ray examination are:
a) Both oblique views.
b) A.P., lateral and both oblique views.
c) A.P. and lateral views.
d) All of the above.
c) A.P. and lateral views.
42
42- Barium swallow diagnoses disorders of:
a) colon.
b) stomach.
c) oesophagus.
d) small bowel.
c) oesophagus.
43
43- CT enterography:
a) is used for imaging of small bowel disorders.
b) no need to use oral contrast media.
c) can be done in patient with liver disease.
d) a and c.
d) a and c.
44
44- A bed ridden 55-year-old male complaining of tachypnea and tachycardia. The proper imaging investigation to rule out
pulmonary embolism is:
A) High Resolution CT of the chest.
B) CT chest with IV contrast
C) CT pulmonary angiography
D) MRI
C) CT pulmonary angiography
45
45- A 40-year-old male is complaining of dyspnea. The first line of investigation is:
A) Chest x-ray.
B) CT chest.
C) CT Pulmonary Angiography.
D) HRCT
A) Chest x-ray.
46
46. A 55-year-old smoker complaining of hemoptysis. His chest X–ray revealed a left hilar mass with irregular margins. The appropriate next step investigation is:
A) CT Pulmonary Angiography.
B) CT chest with IV contrast
C) US chest
D) HRCT
B) CT chest with IV contrast
47
47. Chest x-ray of a 35-year-old male showed right lower zonal opacity. The next step for localization the lesion is:
A) Chest x-ray lateral view
B) CT chest
C) HRCT
D) MRI.
B) CT chest
48
48. A 45-year-old male suspected to have bronchial stenosis. The appropriate investigation is:
A) CT chest
B) HRCT
C) MRI
D) Virtual bronchoscopy
D) Virtual bronchoscopy
49
49. The best modality to study a lung lesions is:
A) Chest x-ray PA view.
B) CT chest.
C) MRI chest.
D) US Chest.
B) CT chest.
50
50. The best modality to detect pleural calcification is
A) Chest x-ray PA view
B) CT chest
C) MRI chest
D) US Chest
B) CT chest
51
51. The best modality to study mediastinum lesions is
A) Chest x-ray PA view
B) CT chest with IV contrast
C) HRCT
D) US Chest
B) CT chest with IV contrast
52
52. The best modality to detect interstitial disease is
A) Chest x-ray PA view
B) CT chest with IV contrast
C) MRI chest
D) High resolution CT of the lungs
D) High resolution CT of the lungs
53
53. The following is true except:
A) Chest x-ray PA view is used in routine check-up.
B) MRI shows excellent detail of the lung anatomy.
C) PET/CT is used for malignancy staging.
D) High resolution computed tomography (HRCT) is used to assess interstitial lung disease.
B) MRI shows excellent detail of the lung anatomy.
54
54. The best imaging modality to diagnose posterior urethral valve in a 12 years old male is:
a. Ascending and micturating cystourethrography (ACU).
b. Plain X-ray of the urinary tract (KUB).
c. Barium enema.
d. Ultrasonography (US).
a. Ascending and micturating cystourethrography (ACU).
55
55. In all of the following modalities, the patient is exposed to ionizing radiation EXCEPT:
a. Intravenous pyelography (IVU).
b. Ultrasound (US).
c. Computed tomography (CT).
d. Plain X-ray.
b. Ultrasound (US).
56
56. Magnetic Resonance Imaging (MRI) has the following criteria EXCEPT:
a. Multiplanar images are obtained.
b. High soft tissue characterization.
c. Fast, available and inexpensive.
d. Lack of ionizing radiation.
c. Fast, available and inexpensive.
57
57. Indications of plain X-ray of the urinary tract include all of the following EXCEPT:
a. To assess radio-opaque urinary calculi.
b. To detect calcifications.
c. Preliminary to IVP.
d. To diagnose vesicoureteric reflux.
d. To diagnose vesicoureteric reflux.
58
58. Plain X-ray of the urinary tract:
a. detects calcifications and stones.
b. in modern practice has been replaced by plain CT of the urinary tract.
c. Both (a) and (b).
d. None of the above.
c. Both (a) and (b).
59
59. The advantages of Ultrasound (US) include all the following EXCEPT:
a. Non invasive.
b. No exposure to ionizing radiation.
c. Real time.
d. Gives accurate excretory functional information of the kidneys.
d. Gives accurate excretory functional information of the kidneys.
60
60. For proper assessment of the urinary bladder wall by ultrasound, the patient is advised to have:
a. A full bladder.
b. An empty bladder.
c. A Foley's catheter within.
d. A fat free meal.
a. A full bladder.
61
61. Regarding ultrasonography, in assessment of breast lesion the following is true:
a. evaluates masses in patients with dense breast.
b. guide interventional procedures.
c. complementary to mammography in uncertain nonpalpable lesions.
d. all of the above.
d. all of the above.
62
61. Regarding Hysterosalpingography all are true except:
a. used to investigate infertility.
b. delineates uterine cavity and Fallopian tubes.
c. done at the ovulation phase at the mid of the menstrual cycle.
d. done under fluroscopy.
c. done at the ovulation phase at the mid of the menstrual cycle.
63
62. Biopsy taken from a bony likely neoplastic lesion is mostly performed under the following guidance:
a) Fluoroscopic X-ray guidance.
b) CT guidance.
c) Ultrasound guidance.
d) MRI guidance.
b) CT guidance.
64
63- All of the following modalities carries the risk of exposure to ionizing radiation except:
a- US
b- X-ray
c- CT
d- Renal scan
a- US
65
64- All of the followings are advantages of US examination except:
a- Inexpensive
b- Widely available
c- Radiation exposure
d- No need of sedation
c- Radiation exposure
66
65- The main disadvantage of MR examination is:
a- Lack of ionizing radiation
b- Long examination and need of sedation for children.
c- Good soft tissue resolution
d- Examination in axial, sagittal and coronal plane (Multiplanar imaging).
b- Long examination and need of sedation for children.
67
66- The contraindications of MR examination include the following:
a- Pace maker.
b- Old Aneurysmal clip.
c- Intraocular foreign body
d- All of the above
d- All of the above
68
67-A 6 years old child with foreign body (coin) ingestion, the imaging modality of choice is:
a- US
b- MRI
c- X-ray.
d- Ba meal.
c- X-ray.
69
68- MR cholangiopancreatography is used to image:
a- Biliary system
b- Urinary system
c- Respiratory system
d- Bowel
a- Biliary system
70
69- The imaging modalities that are used for imaging congenital heart disease include:
a- MSCT
b- MRI
c- Echo
d- All of the above
d- All of the above
71
70- A 7-year old child with respiratory distress and suspecting pneumonia, the initial imaging modality is:
a- Ultrasound
b- CT scan
c- MRI
d- Plain x-ray
d- Plain x-ray
72
71- Recent MR techniques used in brain imaging include:
a- MR diffusion
b- MR spectroscopy
c- MR perfusion
d- All of the above
d- All of the above
73
72- CT enterography examination is used to image the:
a- Urinary system
b- Biliary system
c- Respiratory system
d- Bowel diseases.
d- Bowel diseases.
74
73- All of the followings are correct about PET/CT examination except:
a- Combine PET &CT examination
b- Provides metabolic & anatomic information
c- No radiation exposure.
d- Preferable modality in malignant lesions
c- No radiation exposure.
75
74- In Hodgkin lymphoma, the best imaging modality to assess disease spread is:
a- Ultrasound
b- CT scan
c- MRI
d- PET/CT scan
d- PET/CT scan
76
75- All of the followings modalities can be used for assessment of an osteolytic lesion of the femur except:
a- Plain x ray
b- Non contrast CT scan
c- MRI
d- Ultrasonography
d- Ultrasonography
77
76- Regarding CT angiography the following is true except:
a- Intra venous iodinated contrast is given.
b- Needs a multislice CT machine.
c- Can be done in patient with renal impairment
d- Has largely replaced diagnostic conventional angiography.
c- Can be done in patient with renal impairment
78
77- MRI can be used in the assessment of the following medical disorders except:
a- Congenital anomalies of the brain.
b- Interstitial diseases of the lungs.
c- Inflammation of the dorsal spinal cord.
d- Brain tumours.
b- Interstitial diseases of the lungs.
79
78- Computed Tomography can be used in the assessment of the following except:
a- Fractures of the pelvis.
b- Diseases of the lung.
c- Inflammation of the dorsal spinal cord.
d- Intra cranial hemorrhage.
c- Inflammation of the dorsal spinal cord.
80
79- Regarding the use of MRI in paediatric neurological disorder all are true except:
a- Ideal modality for this age group as it avoids the use of ionizing radiation.
b- Needs sedation and anaesthesia.
c- Lacks soft tissue characterization and details.
d- Relative expansive and not present in rural areas.
c- Lacks soft tissue characterization and details.
81
80-Regarding the use of ultrasonography in pediatric disorder the following is true except:
a- Ideal modality for this age group as it avoids the use of ionizing radiation.
b- Needs sedation and anaesthesia.
c- US is used for initial assessment of liver, spleen, kidneys.
d- Relative inexpensive and available.
b- Needs sedation and anaesthesia.
82
81-The contraindicated imaging modality in a patient with renal impairment include:
a- CT angiography.
b- MR angiography.
c- Arterial Doppler both lower limbs.
d- Barium meal.
a- CT angiography.
83
82- The modality that can be safely performed in a patient with renal failure is:
a- Ultrasonography.
b- Non contrast CT.
c- Barium enema.
d- All the above.
d- All the above.
84
83- The modality that can be used in assessment of trauma of the dorsal spine is:
a- MRI.
b- Non contrast CT.
c- Plain X-ray.
d- All the above.
d- All the above.
85
84- A child with a cardiac pace maker can safely undergo the following investigations except:
a- CT angiography of the aorta.
b- MRI.
c- Ultrasonography.
d- PET/CT.
b- MRI.
86
85- The initial non-invasive imaging modality to assess congenital heart disease in a male infant is:
a- Echocardiography
b- CT scan of the heart.
c- Cardiac MRI
d- Cardiac catheterization.
a- Echocardiography
87
86. What is this diagnostic imaging modality called?
a. Ultrasonography.
b. Non contrast CT.
c. Post contrast CT.
d. MRI.
b. Non contrast CT.
88
87. What is this diagnostic imaging modality called?
a. Ultrasonography.
b. Non contrast CT.
c. Post contrast CT.
d. MRI.
a. Ultrasonography.
89
88. What is this diagnostic imaging modality
called?
a. Plain X-ray (PUT).
b. Non contrast CT.
c. Post contrast CT.
d. MRI.
a. Plain X-ray (PUT).
90
89- Patient presenting with left side hemiplegia showing:-
a- Cerebral infarction.
b- Intra-cerebral and intraventricular
hemorrhage.
c- Cerebral abscess.
d- Normal calcification.
b- Intra-cerebral and intraventricular
hemorrhage.
91
90- Patient presenting with left side hemiplegia showing:-
a-Infarction.
b- Intra-cerebral hemorrhage
c- Abscess.
d- Normal CT scan.
a-Infarction.
92
91. What is this diagnostic imaging modality called?
a. x-ray knee AP view
b. x-ray knee lateral view
c. MRI knee
d. CT knee
a. x-ray knee AP view
93
92. What is this diagnostic imaging modality called?
a. x-ray knee AP view
b. x-ray knee lateral view
c. MRI knee
d. CT knee
b. x-ray knee lateral view
94
93. What is this diagnostic imaging modality called?
a. x-ray knee AP view
b. x-ray knee lateral view
c. MRI knee
d. CT knee
c. MRI knee
95
94. What is this diagnostic imaging modality called?
a. MRI brain axial T2WI
b. MRI brain axial T1WI
c. MRI sagittal T 2WI
d. CT brain
a. MRI brain axial T2WI
96
95. What is this diagnostic imaging modality called?
a MRI brain axial T2WI
b. MRI brain axial T1WI
c. MRI sagittal brain T1WI
d. CT brain
c. MRI sagittal brain T1WI
97
96. What is this diagnostic imaging modality called?
a. mammogram
b. MRI breast
c. US breast
d. none of the above
a. mammogram
98
97. What is this diagnostic imaging modality called?
a. US abdomen
b. CT brain
c. MRI knee
d. X-ray chest
a. US abdomen
99
98. What is this diagnostic imaging modality called?
a. x-ray chest
b. x-ray knee lateral view
c. MRI chest
d. CT chest
a. x-ray chest
100
99. What is this diagnostic imaging modality called?
a. x-ray knee AP view
b. x-ray knee lateral view
c. bone scan
d. CT knee
c. bone scan
101
100. What is this diagnostic imaging modality called?
a. x-ray knee AP view
b. x-ray knee lateral view
c. Hysterosalpingogram
d. plain x-ray abdomen
c. Hysterosalpingogram
