What is the Principle of Diagnostic Yield?

The concept that the number of abnormal findings from an imaging study should justify the radiation exposure and cost involved in performing it.

What is the Principle of Diagnostic Efficiency?

Obtaining the maximum diagnostic information using the lowest possible radiation dose to the patient.

The panel where the technologist sets and adjusts exposure factors (kVp, mAs, time) before making an x-ray exposure.

Why are exposure controls important to the technologist?

They allow the technologist to produce a diagnostic-quality image while minimizing radiation dose to the patient.

A device attached to the x-ray tube housing that restricts the size and shape of the x-ray beam, reducing patient dose and improving image quality by limiting scatter radiation.

What is the difference between a stationary and a floating x-ray table?

A stationary table doesn't move, while a floating (free-floating) table can be moved manually in multiple directions to help position the patient without moving the tube.

The mechanism (ceiling-mounted, floor-mounted, or C-arm) that holds and allows movement of the x-ray tube during positioning.

What is the purpose of an upright image receptor (Bucky)?

It holds the image receptor in a vertical position for exams performed with the patient standing or seated, such as chest x-rays

Devices such as sponges, sandbags, and immobilization straps used to help position and stabilize patients during radiographic exams.

What does "anatomical position" mean?

The body standing erect, facing forward, arms at the sides, palms facing forward, feet slightly apart.

Rotating the forearm/hand so the palm faces upward or forward (as in anatomical position)

Rotating the forearm/hand so the palm faces downward or backward.

What does "medial" mean in relation to body structures?

Closer to the midline of the body (opposite of lateral).

What does "proximal" mean in relation to body structures?

Closer to the point of origin or attachment to the trunk (opposite of distal).

Why is patient interaction important in radiologic and imaging sciences?

It builds trust and reduces patient anxiety, improves cooperation during exams, and reassures family and friends that the patient is being cared for competently and compassionately.

How should communication techniques differ across patient age groups?

Pediatric patients need simple, reassuring language and often parental involvement; adult patients benefit from clear,

How should communication techniques differ across patient age groups?

geriatric patients may need slower pacing, larger print materials, and accommodation for sensory or mobility changes

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Final Study Stack

Question	Answer
What is the Principle of Diagnostic Yield?	The concept that the number of abnormal findings from an imaging study should justify the radiation exposure and cost involved in performing it.
What is the Principle of Diagnostic Efficiency?	Obtaining the maximum diagnostic information using the lowest possible radiation dose to the patient.
Control Console	The panel where the technologist sets and adjusts exposure factors (kVp, mAs, time) before making an x-ray exposure.
Why are exposure controls important to the technologist?	They allow the technologist to produce a diagnostic-quality image while minimizing radiation dose to the patient.
Collimator	A device attached to the x-ray tube housing that restricts the size and shape of the x-ray beam, reducing patient dose and improving image quality by limiting scatter radiation.
What is the difference between a stationary and a floating x-ray table?	A stationary table doesn't move, while a floating (free-floating) table can be moved manually in multiple directions to help position the patient without moving the tube.
Tube Support System	The mechanism (ceiling-mounted, floor-mounted, or C-arm) that holds and allows movement of the x-ray tube during positioning.
What is the purpose of an upright image receptor (Bucky)?	It holds the image receptor in a vertical position for exams performed with the patient standing or seated, such as chest x-rays
Positioning Aids	Devices such as sponges, sandbags, and immobilization straps used to help position and stabilize patients during radiographic exams.
What does "anatomical position" mean?	The body standing erect, facing forward, arms at the sides, palms facing forward, feet slightly apart.
Supination	Rotating the forearm/hand so the palm faces upward or forward (as in anatomical position)
Pronation	Rotating the forearm/hand so the palm faces downward or backward.
What does "medial" mean in relation to body structures?	Closer to the midline of the body (opposite of lateral).
What does "proximal" mean in relation to body structures?	Closer to the point of origin or attachment to the trunk (opposite of distal).
Why is patient interaction important in radiologic and imaging sciences?	It builds trust and reduces patient anxiety, improves cooperation during exams, and reassures family and friends that the patient is being cared for competently and compassionately.
How should communication techniques differ across patient age groups?	Pediatric patients need simple, reassuring language and often parental involvement; adult patients benefit from clear,
How should communication techniques differ across patient age groups?	geriatric patients may need slower pacing, larger print materials, and accommodation for sensory or mobility changes

Created by: wickenburg1

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