A nurse is teaching a newly hired LPN about trach care. The nurse should include that the inner cannula should be cleaned with a brush and then dried with a

lint-free pipe cleaner

The inner cannula does not need to be dried before reinserting it into the outer cannula.

Q-tip

medical air

Answer and Explanation

The Correct Answer is A

A. Lint-free pipe cleaner: A lint-free pipe cleaner is ideal for drying the inner cannula because it won’t introduce fibers or debris into the airway. It ensures that the cannula is thoroughly dried without increasing the risk of aspiration or airway irritation from lint.

B. The inner cannula does not need to be dried before reinserting it into the outer cannula: Moisture left inside the cannula can promote bacterial growth and lead to infection. Drying the cannula is an essential step to prevent microbial contamination and to maintain patency and safety.

C. Q-tip: Q-tips can shed fibers and are not suitable for internal tracheostomy components. Using them may lead to lint being introduced into the airway, increasing the risk of irritation or infection.

D. Medical air: Medical air is not used to dry tracheostomy components. It is not practical, and it may not fully dry narrow internal surfaces. Manual drying with a lint-free material is safer and more effective.

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Correct Answer is D

Explanation

A. “I will rest my hand over my abdomen to create resistance.” This technique is used for diaphragmatic breathing exercises, not incentive spirometry. It does not help assess or improve lung expansion, which is the primary goal of using the incentive spirometer.

B. “I will lie on my back with my knees bent.” While lying down may be appropriate for some breathing exercises, the incentive spirometer is best used in a sitting or upright position. Sitting allows for maximal lung expansion and facilitates more effective use of the device.

C. “I will place the adapter on my finger to read my blood oxygen saturation level.” This describes the use of a pulse oximeter, not an incentive spirometer. The spirometer measures inspiratory volume, while pulse oximetry is used to monitor oxygen saturation.

D. "I will take in a deep breath and hold it before exhaling." The client should inhale slowly and deeply through the mouthpiece, hold the breath for several seconds to promote alveolar inflation, then exhale. This process helps prevent atelectasis and promotes lung expansion.

A. drive to breathe may be dependent on low levels of oxygen in the blood B. respiratory rate may be increased a great part of the time C. lung stretch receptors may fail to monitor the patterns of breathing D. intercostal muscles contract during inspiration, but fail to relax during expiration

Correct Answer is A

Explanation

A. Drive to breathe may be dependent on low levels of oxygen in the blood: Clients with emphysema may have chronically elevated CO₂ levels, which can blunt their central chemoreceptor response. As a result, their respiratory drive may rely more on peripheral chemoreceptors sensing low oxygen levels.

B. Respiratory rate may be increased a great part of the time: While some clients with emphysema may exhibit tachypnea during exertion or exacerbations, this is not a consistent or defining characteristic across all situations.

C. Lung stretch receptors may fail to monitor the patterns of breathing: Lung stretch receptors play a role in the Hering-Breuer reflex, but there is no evidence that they fail to function in emphysema. The issue in emphysema is gas trapping and reduced surface area for gas exchange, not receptor failure.

D. Intercostal muscles contract during inspiration, but fail to relax during expiration: The intercostal muscles assist with ventilation, particularly during increased respiratory effort. However, their relaxation in expiration is typically passive and not impaired in emphysema.

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A nurse is teaching a newly hired LPN about trach care. The nurse should include that the inner cannula should be cleaned with a brush and then dried with a

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Naxlex Comprehensive Predictor Exams

A nurse is reinforcing client instructions on the use of an incentive spirometer. Which of the following statements made by the client indicates an understanding of the teaching?

Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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