FREE RADIOLOGY AND STUDY GAMES ABOUT FILTRATION

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FREE RADIOLOGY AND STUDY GAMES ABOUT FILTRATION

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -19 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What is another name for compound filters?

Answer:

K-Edge filters

Question 2: Compound filtration places the ______ compound closest to the tube.

Answer:

highest

Question 3: Compound filtration uses ______ that complement one another.

Answer:

two or more materials

Question 4: Typically _______ Al Eq is added to added filtration.

Answer:

2.0mm

Question 5: Define filtration.

Answer:

Process of eliminating undesirable low-energy x-ray photons by insertion of absorbing materials into the primary beam.

Question 6: How is filtration expressed? (2 methods)

Answer:

Aluminum equivalency (Al/Eq) and Half-value layer (HVL)

Question 7: Define inherent filtration.

Answer:

Filtration that is a result of the composition of the tube and housing.

Question 8: What are the 5 types of filtration?

Answer:

Added, Compound, Compensation, Total Filtration, Inherent

Question 9: What is the purpose of compensating filtration?

Answer:

It is designed to solve a problem involving unequal subject densities.

Question 10: Define filter.

Answer:

Any material designed to selectively absorb photons from the x-ray beam.Question 11: Materials for added filtration are selected to absorb as many ___ energy photons as possible.

Answer:

Low

Question 12: Define half-value layer.

Answer:

Amount of absorbing material that will reduce the intensity of the primary beam to one-half of its original value.

Question 13: What is total filtration?

Answer:

Filtration that is equal to the sum of inherent and added filtration. (2.5mm Al Eq)

Question 14: Define added filtration.

Answer:

Any filtration occurring outside the tube and housing and before the image receptor.

Question 15: Give an example of compound filtration.

Answer:

Thoreaus filter

Question 16: How are compensating filters designed?

Answer:

They are designed so that the thicker portion of the filters are matched up with the less dense parts of the body.Question 17: What is the most common filter used (material):

Answer:

Aluminum

Question 18: What is another name for filtration?

Answer:

Hardening the beam.

Question 19: What are the two most popular compensating filters?

Answer:

Wedge and trough