Which of the following is the main purpose of chest physiotherapy?

NHM UP Staff Nurse-2023 Shift-2nd

Medical Surgical Nursing

Easy

Appeared in: NHM UP Staff Nurse-2023 Shift-2nd

Explanation

Chest Physiotherapy (CPT) is a set of physical techniques aimed at loosening and moving mucus from the airways.
Its primary goal is to assist in mobilizing and clearing retained secretions from the lungs, thereby improving airway patency and gas exchange.
CPT is particularly beneficial for patients with conditions that lead to increased mucus production or ineffective coughing, such as cystic fibrosis, bronchiectasis, and certain types of pneumonia.
The techniques, including percussion, vibration, and postural drainage, work together to move mucus from smaller, peripheral airways to larger, central airways where it can be coughed out or suctioned.

Option B: CPT targets respiratory mucus, not blood. The therapy has no mechanism to clear 'infected blood' from organs.
Option C: The purpose of CPT is to clear mucus, not blood. Furthermore, active pulmonary bleeding (hemoptysis) is a significant contraindication for performing CPT, as the percussion and vibration could worsen the bleeding.
Option D: CPT is designed to clear secretions from the lower respiratory tract (the lungs and bronchi). It does not target the nasal passages or the upper airway.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Purpose of Chest Physiotherapy (CPT) as background academic context rather than a clinical decision trigger.
Nurses are responsible for assessing the need for CPT, performing the techniques correctly, and evaluating the patient's response, including the amount and character of sputum produced.
Patient and family education is a key nursing role, especially for chronic conditions like cystic fibrosis, where CPT is a cornerstone of daily home management.
It is critical to perform a thorough respiratory assessment before CPT to identify any contraindications, such as rib fractures, bleeding disorders, increased intracranial pressure, or unstable cardiovascular status.

How to Approach the Question

First, identify the keywords in the question stem: 'main purpose' and 'chest physiotherapy'.
Recall the definition of chest physiotherapy. It is a physical therapy for the chest.
Think about what condition would require physical manipulation of the chest. This points towards an issue within the lungs.
Evaluate the options. Two options mention 'blood' and two mention 'mucus'. CPT is a non-invasive external technique, making it unlikely to be used for clearing internal bleeding.
Differentiate between the locations mentioned in the 'mucus' options: 'lungs' versus 'nose'. Chest physiotherapy logically applies to the chest and lungs, not the nose.
Conclude that the primary purpose is to clear mucus from the lungs, which aligns with the definition of the therapy.

Concept Tested & Keywords

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