When Using a Mechanical Manometer and a Three-Way Stopcock to Measure

question 21

Multiple Choice

When using a mechanical manometer and a three-way stopcock to measure cuff pressure, first:
I. the stopcock must be turned toward the cuff's port
II. the system must be pressurized with a syringe to 18 cmH₂O
III. the stopcock must be rotated to the "off" position
IV. the three-way stopcock must be attached to the endotracheal tube's pilot line

• A) I
• B) I and II
• C) I, III, and IV
• D) III and IV

---

Definitions:

Negative Reinforcement

A behavioral modification technique where a response increases because a negative condition is removed or avoided.

Tardiness

The act of being late or delayed beyond the scheduled or expected time.

Intermittent Reinforcement

The giving of rewards for behaviour only periodically.

Punishment

A consequence applied in response to undesired behavior, intended to reduce or eliminate that behavior.