RADIOLOGIC DIAGNOSTIC IMAGING
PHYSICS FOR DIAGNOSTIC RADIOLOGY
X-Ray, Ultrasound,CT-scan
1. The X-ray generator is:
a. * X-ray tube
b. Transformator
c. Detector
d. Image receptors
2. What is the interaction X-Ray with matter
a. *Absorption and scatter
b. Reflection
c. Commutation
d. Annihilation
e. Arthephact formation
3. Which answer, according to X-Ray beam is false?
a. *X-Ray is electron radiation
b. X-ray is form of wave radiation
c. X-Ray is forms of electromagnetic radiation.
4. What is the dependence of the expositional dose and distance focus-object?
a. * Inverse square law: Intensity of the beam radiation will decrease as the inverse of the square of the distance from the source ( inverse proportional )
b. Proportional as the square of the distance from the source ( proportional )
5. Al or Cu filters are using for:
a. * For absorption of the long wave ( soft ) X-Ray beam
b. For beam X-Ray formation
c. To reduce the intensity of radiation
6. Haw many translucency degree are differentiated in the X-Ray film:
a. *4
b. 2
c. 3
d. 6
7. In relation with the density of the objects, many degree of translucency of matter are discriminated on X-Ray film:
a. *All mentioned
b. Bone density
c. Soft tissue density
d. Air density
e. Fat density
f. Metal
8. Which organ is produced most intensive shadow in the X-Ray film:
a. *Bones
b. Lungs
c. Cartilage
d. Muscular tissue
e. Connective tissue
9. In the core of X-Ray film reading evaluation of main principle should be consider:
a. *Evaluation of the shadows and its characteristics
b. Morphological signs evaluation
c. Evaluation of the organs malfunction
10.
11.
12. Uncharpness of the X-Ray film is depended of :
a. Focal spot size
b. Patient position
c. Intensity of the object
d. Shape of the object
e. *All mentioned
13. X-Ray beam filtration is using for:
a. Diminish of the patient’s dose
b. Increase image contrast
c. *All above mentioned
14. To diminish geometric unsharpness of the X-ray film it should be done:
a. All above mentioned
b. The object should be placed directly under the centre of the focal spot
|
|
|
c. Increased focus-film distance
15. When the X-ray image is received on the fluorescent screen, this methods is named:
a. *Fluoroscopy
b. CT-scan
c. MRI
16. Production of the X-Ray image on the X-Ray films or digital radiographic
Equipments are named:
a. Roentgenography (X-ray film)
b. Fluorography
c. Linear tomography
d. CT-scan
e. *All mentioned
17. What is the advantage of radiography, compare with fluoroscopy?
a. *High resolution
b. Organs function study
18. The advantage of roentgenography compare with fluoroscopy
a. *X-Ray film production
b. Multi position examination
19. What is advantage of the CT-scan compare to others methods of X-ray diagnostic image
a. *Receiving CT-scan Images in the axial section with the coronal, saggital and 3D reconstruction
b. Slow images production
c. High patient’s radiation dose
d. All above mentioned
20. What is a advantage of CT-scan?
a. *All mentioned
b. Fast images production
c. No overlapping tissue interposition in the different deepness
d. High image contrast
21.
22. What is advantage of the Roentgenography ( X-Ray film ), compare to the fluoroscopy
a. Diminish patient’s radiation dose
b. High resolution
c. X-ray film producing
d. *All above mentioned
23. Choose the advantage from fluoroscopy compare to roentgenography:
a. *Functional condition of the organs study
b. Low resolution
c. X-Ray film absent
24.
25. Method of the radiologic imaging, based on the evaluation of the degree of absorption of intensity of radiation, passing through the thin axial body slice is named
a. * CT-scan
b. Teleroentgenography”
c. Tomogrphafy
d. Polygraphy
e. Function roentgenography.
f.
26.
27. Methodic of the vessels contrasting by contrast medium is named:
a. *Angiography
b. Fluorography
c. Tomography
d. Urography
|
|
|
28. What type of the contrast medium are classify:
a. All mentioned
b. Low atomic (Gas)
c. High atomic( Barium sulfate,iopagnost,omnipaque,urographin
29. Choose the low atomic contrast medium:
d. * Oxygen
e. Barium sulfate
f. Iopagnost
g. Omnipaque
h. Urographin
30. Choose the high atomic contrast medium:
a. *Ultravist
b. Air
c. Oxygen
d. NO2
31. What is the density unit for the CT-scan:
a. *Hounsfield scale
b. Culon
c. Tesla
d. Dgoul
e. Gauss
32.
33. Teleroengenography is necessary performing to :
a. *To get minimal focus magnification
b. To get the X-Ray television
c. Diminish dose
34. The Method of X-Ray diagnostic imaging in transferring image from screen to X-Ray, film or digital detectors is named:
a. * Fluorography
b. Roentgenography
c. Fluoroscopy
d. Tomography,
e. CT –scan
35.
36. The methods , which giving multislices image of organs and systems is named:
a. *Tomography
b. Fluorography
c. Roentgenography
d. Fluoroscory
37.
38.
39. Low ionic contrast medium is:
a. * NO 2
b. Barium sulphate
c. Ultravist
d. Omnipaque
e. Urograohin
40. High ionic contrast medium is:
a. *Barium Sulphate
b. Air
c. Oxygen
d. NO-2
41.
42. Which contrast is using for pneumoperitoneum:
a. *Air
b. Barium Sulphate
c. Omnipaque
d. Ultravist
DIAGNOSTIC ULTRASOUND
MAGNETIC RESONANS IMAGING
1. Color flow imaging ( Doppler imaging) is using for:
a. *Shape, contours, diameters of the blood vessels, blood flow with direction and quantitative flow information evaluation
b. Size, perimeter, contours, volume of the different organs and pathological changes evaluation
c. Diffuse parenchyma hyperdensity and focal space occupying lesions with fluid and air containing evaluation
|
|
|
2. What type of the magnet is most common using for MR tomography?
a. Superconducting
b. Electromagnetic
c. Permanent
d. *All above mentioned
3. The magnet field of Ears is:
a. *0.3 – 0.7 Gauss
b. 0.1- 1.5 Tesla
c. 10000 Gauss
4. In the diagnostic MRI most common using magnet is field of:
a. *0.5 -4 Tesla
b. Till 01 – 1.5 Tesla
c. From 4 Tesla
5.
6.
7. What is the contra indication for MRI investigation:
a. *Any ferromagnetic foreign body
b. Decompensation of patient’s condition
c. Childhood
8. What frequency of the ultrasound beam are usually using in the practice :
a. * From 1 MHz
b. Till 1 MHz
9.
10. Diagnostic ultrasound method can be used in diagnostic:
a. *Diffuse parenchyma hyperdensity, focal dense lesions with differentiation of the cystic and solid components
b. Blood velocity
c. Grate vessels pathology with blood flow evaluation
.
11. Which atom’s nuclei appeared dipole property?
a. *H-1
b. O-16
c. C-12
d. P-32
12. What is the unit of the Ears magnetic field strength
a. *Gauss
b. Sv
c. Gy
d. Ro
13. Which atom’s nuclei appeared dipole property?
a. *Na-23
b. O-16
c. P-32
d. C-12
14. Superconductivity of the coils are possible due to :
a. *Cooling
b. Heating
15. Unit of magnetic field strength of the superconductive magnet:
a. * Tesla
b. Sv
c. Ro
d. Gy
16. The intensity of the magnetic field in diagnostic MRI is:
a. *More than magnet field of Ears in 6000 times
b. More than magnet field of Ears in 100 times
c. More than magnet field of Ears in 1000 times
d. The same as magnetic field of Ears
17.
18. Duplex system in the ultrasonography can evaluated:
a. * Vessels with blood flow inside
b. Size, perimeter, contour of the organs
|
|
|
19. Ultrasonography can evaluate:
a. *Topography, shape, size and structure of organs
b. Vessels and blood flow with direction on
c. Quantitative flow of blood velocity information evaluation
20.
21. The ultrasound beam is reflected, adsorbed, scattered if the size of the object is:
a. *More than wave length
b. Less than wave length
c. The size of the object is not important
22. In MRI study of the GIT ( gastro-intestine- tract) usually using contrast medium:
a. Abdoscan
b. Magnevist
c. Omniscan
d. *All mentioned
23. Which type of the magnet is using in MR tomography?
a. *Electromagnetic
b. Superconducting
c. Permanent
d. *All mentioned
24. What does it mean perfusion?
a. *Oxygen supply via vascular system of capillary
b. Hydrogen supply via vascular system of capillary
c. NO – 2 supply via vascular system of capillary
25. Doppler ultrasound diagnostic include:
a. * Pathology of the different vessels with evaluation of the blood flow and blood velocity
b. Diffuse hyperdensity of the parenchyma, focal hyperdense lesions with cystic, solid or air containing.
26. Principle of MRI is based on the detection of the nucleus of:
a. *resonanc of Hydrogen nuclei
b. Oxygen
c. Iodine pharmaceuticals
27.
28. What is the contrast medium are using for MRI?
a. *Products of Gadolinium
b. Ba SO4
c. Iodine pharmaceuticals
29. Highest image contrast is detected on:
a. *MRI
b. KT
c. Ultrasound
30.
31. Disadvantage of Ultrasound method is :
a. *Result dependence from the patient’s preparation
b. Bed visualization of the calcifications
c. Patient’s radiation overdose
32.
33. What contrast medium is not using in MRI diagnostic?
a. *Iopagnost
b. Magnevist
c. Omniscan
d. Abdoscan
34. What is the magnet type is using in MRI:
a. *Permanent
b. Semiconductor
c. Pulse-magnet
35. The calcifications are poor visualized on :
a. * MRI
b. Ultrasound
c. CT-scan
36. What are the contra indications for MRI examination?
a. *Ferromagnetic implant
b. Decompensation condition
c. Childhood
Дата добавления: 2019-02-12; просмотров: 322; Мы поможем в написании вашей работы! |
Мы поможем в написании ваших работ!