LPN Respiratory Care and Oxygenation 2

Question 1

A patient with asthma is having an acute attack. Which medication should the LPN anticipate administering first?

Accepted Answer

Short-acting beta-2 agonist (albuterol)

Answer

Inhaled corticosteroid (budesonide)

Answer

Long-acting beta-2 agonist (salmeterol)

Answer

Leukotriene modifier (montelukast)

Question 2

Why is it important to maintain a flow rate of at least 5 L/min when using a simple face mask?

Accepted Answer

To prevent CO2 rebreathing

Answer

To prevent skin breakdown from the mask

Answer

To maintain proper humidity levels

Answer

To prevent barotrauma

Question 3

Which assessment finding is most indicative of pneumonia?

Accepted Answer

Bronchial breath sounds over peripheral lung fields

Answer

Decreased tactile fremitus

Answer

Hyperresonance on percussion

Answer

Decreased respiratory rate with deep breaths

Question 4

A patient with a spontaneous pneumothorax would most likely exhibit which assessment finding on the affected side?

Accepted Answer

Absent or markedly decreased breath sounds

Answer

Bilateral crackles

Answer

Diffuse wheezing throughout both lung fields

Answer

Increased chest wall movement

Question 5

Which principle should the LPN follow when performing oropharyngeal suctioning?

Accepted Answer

Limit each suctioning pass to no longer than 10-15 seconds

Answer

Apply suction continuously during catheter insertion

Answer

Insert the catheter with suction already applied

Answer

Suction every 30 minutes on a fixed schedule regardless of need

Question 6

A patient's ABG results show pH 7.28, PaCO2 58 mmHg, HCO3 24 mEq/L. How should the LPN interpret this?

Accepted Answer

Respiratory acidosis

Answer

Respiratory alkalosis

Answer

Metabolic acidosis

Answer

Metabolic alkalosis

Question 7

When should postural drainage therapy be scheduled to reduce the risk of aspiration?

Accepted Answer

1-2 hours before or after meals

Answer

Immediately after meals

Answer

30 minutes after meals

Answer

Only at bedtime regardless of meal timing