SET 2

通報

問題一覧

Al the following are associated with the anode except:

thermionic emission

The type of x-ray tube designed to turn on and off rapidly, providing multiple short, precise exposures, is

Grid-controlled

The electron cloud within the x-ray tube is the product of a process called

Thermionic emission

Which of the following wil serve to increase the effective energy of the x-ray beam? 1. Increase in added filtration 2. Increase in kilovoltage 3. Increase in milliamperage

1 and 2 only

Congruence of the x-ray beam with the light field is tested using

radiopaque objects

If the primary coil of a high-voltage transformer is supplied by 220.V and has 400 turns and the secondary coil has 100,000 turns, what is the voltage induced in the secondary coil?

55 kV

Patient dose during fluoroscopy is affected by the 1. distance between the patient and the input phosphor 2. amount of magnification 3. tissue density

1, 2, and 3

The advantages of collimators over aperture diaphragm and flare cones include 1. the variety if field sizes available 2. more efficient beam restriction 3. better cleanup of scattered radiation

1 and 2

Which of the following occurs during Bremsstrahlung (Brems) radiation production?

An electron approaching a positive nuclear charge changes direction and loses energy

The voltage ripple associated with a three-phase, six-pulse rectified generator is about

14%

A high-speed electron entering the tungsten target is attracted to the positive nucleus of a tungsten atom and, in the process, is decelerated. This results in

Bremsstrahlung radiation

Which of the following contribute(s) to inherent filtration? 1. X-ray tube glass envelope 2. X-ray tube port window 3. Aluminum between the tube housing and the collimator

1 and 2 only

Intro 9

21harmorhe · 19問 · 3ヶ月前

Intro 9

19問 • 3ヶ月前

Intro 9 Regulatory agency

21harmorhe · 6問 · 3ヶ月前

Intro 9 Regulatory agency

6問 • 3ヶ月前

Intro ch9

21harmorhe · 8問 · 3ヶ月前

Intro ch9

8問 • 3ヶ月前

Dose limits

21harmorhe · 12問 · 3ヶ月前

Dose limits

12問 • 3ヶ月前

Intro ch 9

21harmorhe · 77問 · 3ヶ月前

Intro ch 9

77問 • 3ヶ月前

Imaging midterm

21harmorhe · 66問 · 3ヶ月前

Imaging midterm

66問 • 3ヶ月前

CONTRAST

21harmorhe · 27問 · 3ヶ月前

CONTRAST

27問 • 3ヶ月前

Radiation Biology (2)

polyyamyap · 25問 · 5ヶ月前

Radiation Biology (2)

25問 • 5ヶ月前

SET 3

polyyamyap · 56問 · 5ヶ月前

SET 3

56問 • 5ヶ月前

SET 1

polyyamyap · 100問 · 5ヶ月前

SET 1

100問 • 5ヶ月前

Alexander Naje · 39問 · 1年前

NUCLEAR (Module 8)

NUCLEAR (Module 8)

Physics Chapter 25

Physics Chapter 25

Physics Chapter 16

Physics Chapter 16

Chapter 6 Q’s 56-110

Chapter 6 Q’s 56-110

RADPRO 1&2

RADPRO 1&2

11回　CT•MRI検査

11回　CT•MRI検査

fluoroscopy 2

Shanks Redhaired · 100問 · 1年前

fluoroscopy 2

100問 • 1年前

Shanks Redhaired · 100問 · 1年前

fluoroscopy

fluoroscopy

100問 • 1年前

Shanks Redhaired · 94問 · 1年前

Angiocardiography

Angiocardiography

94問 • 1年前

Shanks Redhaired · 89問 · 1年前

FINAL II RADTHERA

FINAL II RADTHERA

89問 • 1年前