When Performing the ^99mTc-Sulfur Colloid Technique for Identification of a Gastrointestinal

question 5

Multiple Choice

When performing the ^99mTc-sulfur colloid technique for identification of a gastrointestinal bleed, the technologist should begin imaging

• A)with an anterior flow study for 2 to 3 minutes and static every 1 to 2 minutes for 20 to 30 minutes thereafter.
• B)within 5 minutes of the injection and every 5 minutes, and for 20 to 30 minutes thereafter.
• C)after 20 minutes and every 1 to 2 minutes for the next 20 minutes.
• D)with an immediate static image after a bolus injection and every 5 minutes thereafter for 20 to 30 minutes.

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Definitions:

Single-Subject Experimental Designs

Research designs focusing on the responses of a single participant to document the effectiveness of a treatment or intervention.

Independent Variable

A variable manipulated by the researcher to observe its effect on the dependent variable in an experimental study.

Qualitative Data

Non-numeric information that describes qualities or characteristics and is often collected through interviews, observations, or open-ended questions.

Single-Subject Designs

Research designs that focus on the behavior of a single subject, often used in clinical or applied settings to assess the impact of interventions over time.