Clinical Science Practice Test 7

1. For which of these areas can the ultrasound be taken for an infant but not for an adult?

Legs

Cranium

Chest

Arms

2. Up to what intensity of radiation is used for mammography?

< 10keV

< 40keV

< 20keV

< 30keV

3. Which of the following relations are true?

γ increases, penetration of sound decreases, resolution decreases

γ increases, penetration of sound decreases, resolution increases

γ decreases, penetration of sound increases, resolution increases

γ increases, penetration of sound increases, resolution decreases

4. Which mode is used for cardiac imaging?

M - Mode

B - Mode

3D - Mode

A - Mode

5. The detector of PET is made of _________

Silver

Lead

Tungsten

Gadolinium

6. Fluoroscopy cannot be done without a dye.

False

True

7. What does the ‘P’ in PET stand for?

Photon

Proton

Positron

P - orbital

8. Which of the following needs the longest exposure for an X-Ray image?

Pelvis

Abdomen

Spine

Thoracic

9. How is a medium characterized?

By its water content

By its density

By its thickness

By its acoustic impedance

10. Which of the following ultrasound techniques gives the best Ultrasound Image of the heart?

Transesophageal

Curvilinear array

2D phased array

Linear phased array