If an Emergency Exists and There Is Not Enough Time

question 26

Multiple Choice

If an emergency exists and there is not enough time to perform a crossmatch for red cells,what is the correct procedure?

• A) Release group O, D-negative whole blood.
• B) Release group O, D-negative RBC units.
• C) Release group AB fresh frozen plasma until the blood type is performed.
• D) Release ABO-compatible blood based on the patient's prior record in the computer.

Understand the significance and functionality of the larynx, including its relationship with vocal cord production.

Differentiate between different parts of the respiratory system and their specific functions.

Familiarize with the concept of air passage and its regulation in the respiratory system.

Understand blood typing and the universal recipient concept.

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Definitions:

Type II Error

The failure to reject a false null hypothesis or a false negative in hypothesis testing.

Significance Level

The significance level, denoted by alpha, is the threshold chosen by researchers below which a p-value must fall for results to be considered statistically significant.

Null Hypothesis

A statistical hypothesis that asserts there is no effect or no difference, and any observed deviation from this hypothesis is due to random variation.

Type II Error

A statistical error occurring when the null hypothesis is not rejected when it actually is false.