For an Inferosuperior Axial Shoulder Projection

question 8

Multiple Choice

For an inferosuperior axial shoulder projection,
1) the patient's shoulder is elevated on a sponge or washcloth.
2) the patient's head is tilted and rotated toward the affected shoulder.
3) the patient's affected arm is externally rotated.
4) a 30- to 35-degree central ray to lateral body surface angle is used if the arm is abducted at a 90-degree angle to the torso.

• A) 1 and 2 only
• B) 2 and 3 only
• C) 1, 3, and 4 only
• D) 1, 2, 3, and 4

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Definitions:

Variable Ratio Schedule

A reinforcement schedule in which a response is rewarded after an unpredictable number of responses, promoting high and stable rates of the response.

Unpredictable Amount

A quantity or volume that cannot be precisely foreseen or estimated due to varying factors or conditions.

Negative Reinforcement

A process in operant conditioning by which the removal or avoidance of an unpleasant stimulus increases the likelihood of a behavior being repeated.

Time-Out

A behavioral intervention technique that involves temporarily removing an individual from an environment where undesired behavior has occurred, to decrease the likelihood of the behavior's recurrence.