The suction pressure for performing nasopharyngeal suctioning through a wall-based suction unit in an adult patient should be adjusted to

1. A

   100-120 mmHg

2. B

   140-150 mmHg

3. C

   60-80 mmHg

4. D

   40-50 mmHg

Appeared in: GMCH - 2015

Explanation

• The standard and safest suction pressure for nasopharyngeal suctioning in an adult using a wall unit is 100-120 mmHg.
• This range provides a balance between effective removal of secretions and minimizing the risk of trauma to the nasal and pharyngeal mucosa.
• Pressures within this range are sufficient to clear the airway without causing significant complications like bleeding or hypoxemia.

Why Other Options Were Wrong

• Option B: This pressure is excessively high for routine nasopharyngeal suctioning and significantly increases the risk of mucosal damage, bleeding, and atelectasis (lung collapse).
• Option C: This pressure range is too low to be effective for clearing secretions in an adult patient.
• Option D: This pressure is far too low and would be completely ineffective for clearing secretions in an adult.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Safe suction pressure settings for nasopharyngeal suctioning in adults to guide bedside assessment, documentation, and the next nursing action.
• Using the correct suction pressure is a critical nursing skill to ensure patient safety, prevent airway trauma, and effectively maintain a patent airway.
• Incorrect pressure can lead to serious complications like hypoxemia, atelectasis, bradycardia (from vagal stimulation), and infection.
• What if the patient was a neonate? The correct pressure would be much lower, typically 60-80 mmHg, to prevent damage to their extremely delicate tissues.

How to Approach the Question

• Identify the core of the question: It asks for a specific parameter (suction pressure) for a specific procedure (nasopharyngeal suctioning) in a specific population (adult) using specific equipment (wall unit).
• Recognize this as a factual recall question based on standard clinical guidelines.
• Evaluate the options in the context of an adult patient. Eliminate pressures that are clearly too high (posing a risk of trauma) or too low (being ineffective).
• Recall that adult suction pressures are higher than those for pediatric or neonatal patients but must remain within a safe limit to prevent injury.
• Select the range of 100-120 mmHg as it represents the established best practice for balancing efficacy and safety in adults.

Concept Tested & Keywords

• Concept Tested: Safe suction pressure settings for nasopharyngeal suctioning in adults.
• Stem keywords: suction pressure, nasopharyngeal suctioning, wall-based suction, adult patient
• Lead-in keywords: should be adjusted to
• Negative lead-in flag: false

Question ID

QcHkkMymwWqSbSOwC3ACCG

Copy ID

Reference Book

E6 Nursing Fundamentals Taylor pp. 760-762, 745-747

E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 13-15