A Renogram (Time-Activity Curve) Shows Prompt Uptake of the Tracer

question 7

Multiple Choice

A renogram (time-activity curve) shows prompt uptake of the tracer, with activity in the kidney peaking at 3 to 5 minutes after injection and decreasing to less than 50% of peak value by 20 minutes.The technologist should

• A)suspect this to be normal.
• B)suspect the patient is dehydrated.
• C)suspect the patient had a contrast radiographic procedure prior to the renogram.
• D)suspect the patient may need furosemide.

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Definitions:

Behavior Observation

The systematic recording of observable behavior in its natural setting.

Observer Drift

A phenomenon that results in a different behavior being observed and recorded than the one originally targeted. Observer drift can occur even when a target behavior is operationally defined and solidly passes the stranger test.

Objectivity Lapse

A failure to maintain neutrality or impartiality, especially in making judgments or decisions.

Occurrence Subjectivity

The degree to which perceptions or analyses of events are influenced by personal feelings, tastes, or opinions.