Which of the Following Anatomic Differences Between the Larynx of an Infant

question 6

Multiple Choice

Which of the following anatomic differences between the larynx of an infant and that of an adult makes blind nasal intubation of the infant more difficult?

• A) The larynx of an infant is more cephalad and anterior.
• B) The upper airway in the laryngeal area is smaller in an infant.
• C) The cricoid cartilage in an infant acts as a partial airway obstruction.
• D) The upper airway structures in an infant are more pliable and compliant.

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Definitions:

Null Hypothesis

A hypothesis in statistical testing that there is no effect or no difference, and any observed deviation is due to sampling or experimental error.

Significance Level

A threshold below which a p-value is considered statistically significant, indicating that observed results are unlikely to be due to chance.

Critical Value

The point or points on the scale of a test statistic beyond which we reject the null hypothesis; these values define the threshold of significance.

Test Statistic

A value, derived from sample data, used in a hypothesis test to determine whether to reject the null hypothesis.