MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Clinical Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What does the red dot on the probe help within the produced image? |
| A. | To check if the correct probe was used |
| B. | To check the probe orientation |
| C. | To check the depth of the probe that was used |
| D. | To check the plane of the image. |
| Answer» C. To check the depth of the probe that was used | |
| 2. |
When an abdominal ultrasound is done, why is it advised to have a full bladder? |
| A. | To have a good acoustic window |
| B. | To increase the water content |
| C. | To lower impedance |
| D. | To allow for better propagation of waves |
| Answer» B. To increase the water content | |
| 3. |
The wave velocity of ultrasound in soft tissues is 1540m/s and the impedance offered by it is 1.63 X 106 kg/m2s. What is the density of the soft tissue? |
| A. | 0.1058441 kg/m3 |
| B. | 10.58441 kg/m3 |
| C. | 1058.441kg/m3 |
| D. | 105844.1 kg/m3 |
| Answer» D. 105844.1 kg/m3 | |
| 4. |
Ultrasound is also useful for __________i. detecting fault in metal sheets ii. imaging marine depths iii. looking for metals beneath the earth’s surface iv. detecting distances v. detecting earthquakes |
| A. | ii, iii, v |
| B. | i, iv, v |
| C. | i, ii, iv |
| D. | ii, iii |
| Answer» D. ii, iii | |
| 5. |
WHEN_AN_ABDOMINAL_ULTRASOUND_IS_DONE,_WHY_IS_IT_ADVISED_TO_HAVE_A_FULL_BLADDER??$ |
| A. | To have a good acoustic window |
| B. | To increase the water content |
| C. | To lower impedance |
| D. | To allow for better propagation of waves |
| Answer» B. To increase the water content | |
| 6. |
What_does_the_red_dot_on_the_probe_help_within_the_produced_image?$ |
| A. | To check if the correct probe was used |
| B. | To check the probe orientation |
| C. | To check the depth of the probe that was used |
| D. | To check the plane of the image. |
| Answer» C. To check the depth of the probe that was used | |
| 7. |
Which of the following relations are true? |
| A. | γ increases, penetration of sound increases, resolution decreases |
| B. | γ increases, penetration of sound decreases, resolution decreases |
| C. | γ increases, penetration of sound decreases, resolution increases |
| D. | γ decreases, penetration of sound increases, resolution increases |
| Answer» B. ‚âà√≠‚Äö√¢‚Ä¢ increases, penetration of sound decreases, resolution decreases | |
| 8. |
The wave velocity of ultrasound in soft tissues is 1540m/s and the impedance offered by it is 1.63 X 106 kg/m2s. What is the density of the soft tissue? |
| A. | 0.1058441 kg/m<sup>3</sup> |
| B. | 10.58441 kg/m<sup>3</sup> |
| C. | 1058.441kg/m<sup>3</sup> |
| D. | 105844.1 kg/m<sup>3</sup> |
| Answer» D. 105844.1 kg/m<sup>3</sup> | |
| 9. |
How is a medium characterized? |
| A. | By its thickness |
| B. | By its acoustic impedance |
| C. | By its water content |
| D. | By its density |
| Answer» C. By its water content | |
| 10. |
A piezoelectric crystal is used to produce the ultrasound waves. What kind of ultrasound is produced? |
| A. | Pressure wave ultrasound |
| B. | Electrical wave ultrasound |
| C. | Sound wave ultrasound |
| D. | Simple ultrasound |
| Answer» B. Electrical wave ultrasound | |
| 11. |
For which of these areas can the ultrasound be taken for an infant but not for an adult? |
| A. | Cranium |
| B. | Chest |
| C. | Arms |
| D. | Legs |
| Answer» B. Chest | |
| 12. |
Which of the following medical imaging modality other than ultrasound does not use any form of radiation? |
| A. | PET Scan |
| B. | SPECT Scan |
| C. | CT Scan |
| D. | MRI |
| Answer» E. | |
| 13. |
Ultrasound is also useful for __________ |
| A. | |
| B. | ii, iii, v |
| C. | i, iv, v |
| Answer» D. | |
| 14. |
What property of sound waves acts like the principle of ultrasound? |
| A. | Reflection and Refraction |
| B. | Reflection only |
| C. | Refraction only |
| D. | Propagation |
| Answer» B. Reflection only | |