Diagnostic ultrasound magnetic resonans imaging

1. Color flow imaging ( Doppler imaging) is using for:

1. *Shape, contours, diameters of the blood vessels, blood flow with direction and quantitative flow information evaluation

2. Size, perimeter, contours, volume of the different organs and pathological changes evaluation

3. 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?

1. Superconducting

2. Electromagnetic

3. Permanent

4. *All above mentioned

3. The magnet field of Ears is:

1. *0.3 – 0.7 Gauss

2. 0.1- 1.5 Tesla

3. 10000 Gauss

4. In the diagnostic MRI most common using magnet is field of:

1. *0.5 -4 Tesla

2. Till 01 – 1.5 Tesla

3. From 4 Tesla

7. What is the contra indication for MRI investigation:

1. *Any ferromagnetic foreign body

2. Decompensation of patient’s condition

3. Childhood

8. What frequency of the ultrasound beam are usually using in the practice :

1. * From 1 MHz

2. Till 1 MHz

10. Diagnostic ultrasound method can be used in diagnostic:

1. *Diffuse parenchyma hyperdensity, focal dense lesions with differentiation of the cystic and solid components

2. Blood velocity

3. Grate vessels pathology with blood flow evaluation

.

11. Which atom’s nuclei appeared dipole property?

1. *H-1

2. O-16

3. C-12

4. P-32

12. What is the unit of the Ears magnetic field strength

1. *Gauss

2. Sv

3. Gy

4. Ro

13. Which atom’s nuclei appeared dipole property?

1. *Na-23

2. O-16

3. P-32

4. C-12

14. Superconductivity of the coils are possible due to :

1. *Cooling

2. Heating

15. Unit of magnetic field strength of the superconductive magnet:

1. * Tesla

2. Sv

3. Ro

4. Gy

16. The intensity of the magnetic field in diagnostic MRI is:

1. *More than magnet field of Ears in 6000 times

2. More than magnet field of Ears in 100 times

3. More than magnet field of Ears in 1000 times

4. The same as magnetic field of Ears

18. Duplex system in the ultrasonography can evaluated:

1. * Vessels with blood flow inside

2. Size, perimeter, contour of the organs

19. Ultrasonography can evaluate:

1. *Topography, shape, size and structure of organs

2. Vessels and blood flow with direction on

3. Quantitative flow of blood velocity information evaluation

21. The ultrasound beam is reflected, adsorbed, scattered if the size of the object is:

1. *More than wave length

2. Less than wave length

3. The size of the object is not important

22. In MRI study of the GIT ( gastro-intestine- tract) usually using contrast medium:

1. Abdoscan

2. Magnevist

3. Omniscan

4. *All mentioned

23. Which type of the magnet is using in MR tomography?

1. *Electromagnetic

2. Superconducting

3. Permanent

4. *All mentioned

24. What does it mean perfusion?

1. *Oxygen supply via vascular system of capillary

2. Hydrogen supply via vascular system of capillary

3. NO – 2 supply via vascular system of capillary

25. Doppler ultrasound diagnostic include:

1. * Pathology of the different vessels with evaluation of the blood flow and blood velocity

2. 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:

1. *resonanc of Hydrogen nuclei

2. Oxygen

3. Iodine pharmaceuticals

28. What is the contrast medium are using for MRI?

1. *Products of Gadolinium

2. Ba SO4

3. Iodine pharmaceuticals

29. Highest image contrast is detected on:

1. *MRI

2. KT

3. Ultrasound

31. Disadvantage of Ultrasound method is :

1. *Result dependence from the patient’s preparation

2. Bed visualization of the calcifications

3. Patient’s radiation overdose

33. What contrast medium is not using in MRI diagnostic?

1. *Iopagnost

2. Magnevist

3. Omniscan

4. Abdoscan

34. What is the magnet type is using in MRI:

1. *Permanent

2. Semiconductor

3. Pulse-magnet

35. The calcifications are poor visualized on :

1. * MRI

2. Ultrasound

3. CT-scan

36. What are the contra indications for MRI examination?

1. *Ferromagnetic implant

2. Decompensation condition

3. Childhood