The proper location for transtracheal needle insertion is:

a. into the cricoid cartilage.
b. through the cricothyroid membrane.
c. between the first and second tracheal car-tilage rings.
d. under the hyoid bone, through the thyro-hyoid ligament.


ANS: B
The simplest invasive airway device is a large-bore intravenous catheter inserted percutaneously through the cricothyroid membrane, a procedure called needle cricothyroidotomy. This easily identified space is located between the thyroid cartilage and the cricoid ring.

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