A Less Than Optimal AP Elbow Projection Demonstrating the Ulna

question 60

Multiple Choice

A less than optimal AP elbow projection demonstrating the ulna without radial head superimposition

• A) was obtained with the elbow in external rotation.
• B) will also demonstrate the radial head articulating surface.
• C) was obtained with the hand pronated.
• D) was obtained with the elbow in internal rotation.

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Definitions:

Momentary Contact

Momentary contact describes a switch mechanism that establishes a connection only when actuated and breaks the connection once the actuator is released, ensuring brief electrical contact.

Jog Circuit

A control circuit designed to momentarily energize a motor or device to adjust its position without engaging full operation.

Control Circuit

A low-power circuit used to control the operation of a main circuit or device, often involving relays, switches, and sensors.

Eleven-Pin

Refers to a type of connector or relay base with eleven pins used for electrical or electronic connections.