How Should the Therapist Determine the Depth of Insertion of an Endotracheal

question 23

Multiple Choice

How should the therapist determine the depth of insertion of an endotracheal tube marked with three rings in an infant during the intubation procedure?

• A) Just when the Murphy eye clears the vocal cords and enters the trachea
• B) At the location where the second double-ring mark just passes the glottis
• C) At the point where the first heavy black line just moves beyond the glottis
• D) Just after the distal third of the tube passes into the trachea past the glottis

---

Definitions:

Fixed Costs

Expenses that remain constant regardless of the level of production or sales activity, such as rent, salaries, and insurance premiums.

Variable Service Department Costs

Expenses in a service department that fluctuate in direct proportion to changes in the level of service activity or volume.

Budgeted Rate

A predetermined rate, often used for allocating costs or resources in a budget based on estimated expenditures.

Actual Activity

The real, measured amount of work performed or the level of production achieved over a specified period of time.