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Reducing Patient Dose with Technical Factors Unit Overview

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Reducing Patient Dose with Technical Factors Unit Overview

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Questions and Answers

What is the effect of increasing kVp without compensation on patient dose?

It has no impact on patient dose

It depends on field size

It decreases patient dose

It increases patient dose (correct)

How does decreasing kVp while maintaining mAs affect patient dose?

It increases patient dose

It depends on the focal spot size

It has no impact on patient dose

It decreases patient dose (correct)

Which factor should be compensated if there is an increase in kVp to reduce patient dose?

Grid ratio

Time

Field size

mAs (correct)

What is the importance of selecting the highest possible kilovoltage consistent with image quality?

To reduce radiation dose to the patient Signup and view all the answers

How does the distance from the radiation source affect patient dose?

The farther the distance, the higher the patient dose Signup and view all the answers

What happens to patient dose if kVp is increased without adjusting other factors?

Patient dose increases Signup and view all the answers

What happens to patient dose when mAs is decreased?

It decreases Signup and view all the answers

How does an increase in mAs, compensated by a decrease in kVp, affect patient dose?

It increases Signup and view all the answers

What effect does increasing field size have on patient dose?

It increases patient dose Signup and view all the answers

How does proper placement of gonadal shields impact patient dose?

It reduces patient dose Signup and view all the answers

What is the impact of using higher speed film on patient dose?

It decreases patient dose Signup and view all the answers

How does increasing the distance between the X-ray tube and the image receptor affect patient dose?