A Patient Admitted to an Emergency Department with Trauma After

question 193

Multiple Choice

A patient admitted to an emergency department with trauma after a motorcycle accident needs blood drawn.The patient has a fracture of the right arm that is splinted, lacerations of both legs, and IV fluids infusing in the left antecubital space.Which is the most appropriate intervention for a nurse to use to collect the required blood specimens?

• A)Access a vein in the foot for specimen collection.
• B)Request insertion of a central line to use for blood collection and IV access as needed.
• C)Stop the IV infusion for 2 minutes and then access a site below the IV.
• D)Use a butterfly needle to access a vein in the right hand.

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Definitions:

T-distribution

A type of probability distribution that is symmetric and bell-shaped, but with heavier tails, used especially in scenarios with smaller sample sizes.

Degrees of Freedom

The number of independent pieces of information available to estimate another piece of information or parameters in a dataset.

Student T-distributed

A probability distribution used in statistical analyses when the sample size is small and the population standard deviation is unknown.

Test Statistic

A calculated value from sample data used to decide whether to reject the null hypothesis in the context of a hypothesis test.