While Viewing an Anteroposterior View of a Chest Radiograph of a 24-Month-Old

question 2

Multiple Choice

While viewing an anteroposterior view of a chest radiograph of a 24-month-old intubated child, a therapist notices that the endotracheal tube has now migrated right above the inferior clavicular border. What could explain this new location of the endotracheal tube?

• A) Flexion of the head
• B) Extension of the head
• C) Rotation of the head to the right
• D) Rotation of the head to the left

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Definitions:

Higher-order Conditioning

A form of conditioning in which a stimulus that was previously neutral is paired with a conditioned stimulus to produce the same conditioned response.

Habituation

The process by which an individual becomes accustomed to a stimulus through repeated exposure, leading to a decrease in response.

Behavioral Contrast

A phenomenon in which the response rate to one stimulus changes as a result of a change in the reinforcement offered for another stimulus.

Second-order Conditioning

A form of learning where a stimulus that was previously neutral is associated with a conditioned stimulus to elicit the same conditioned response, without the original unconditioned stimulus.