Respiratory System - Nurse Licensure Exam

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Questions and Answers

What should the nurse do first when the low-pressure alarm sounds on a ventilator and the cause is undetermined?

  • Ventilates the client manually (correct)
  • Checks the client's vital signs
  • Starts cardiopulmonary resuscitation
  • Administers oxygen

Which sign noted after a bronchoscopy and biopsy should prompt immediate reporting to the physician?

  • Blood-streaked sputum
  • Dry cough
  • Bronchospasm (correct)
  • Hematuria

How long should the nurse limit suctioning time when suctioning fluids through a tracheostomy tube?

  • 1 minute
  • 5 seconds
  • 10 seconds (correct)
  • 30 seconds

If the heart rate decreases during suctioning of an endotracheal tube, what is the appropriate nursing intervention?

<p>Stop the procedure and reoxygenate the client. (A)</p> Signup and view all the answers

What respiratory pattern would the nurse expect to observe in a client after suffering a fractured rib?

<p>Pain, especially with inspiration (D)</p> Signup and view all the answers

What is the most distinctive sign of flail chest that the nurse should assess for?

<p>Paradoxical chest movement (B)</p> Signup and view all the answers

What should the nurse assess for when the high-pressure alarm on the ventilator sounds and breath sounds are absent in the right upper lobe?

<p>Right pneumothorax (A)</p> Signup and view all the answers

What is the earliest sign the nurse should assess for in a client at risk for developing acute respiratory distress syndrome?

<p>Tachypnea (B)</p> Signup and view all the answers

What is the most likely cause of shortness of breath and chest tightness in a college-age client who has been jogging?

<p>Asthma (A)</p> Signup and view all the answers

Which instruction is a priority for a client with bronchitis?

<p>Avoid cigarette smoking (B)</p> Signup and view all the answers

Which finding after a thoracentesis indicates a need for further assessment?

<p>Diminished breath sounds on the affected side (D)</p> Signup and view all the answers

Upon auscultation of a client with left lower lobe pneumonia, which breath sound would be documented?

<p>Bronchial (D)</p> Signup and view all the answers

What should the nurse have available for a client with empyema in case thoracentesis is ineffective?

<p>A chest tube insertion kit (C)</p> Signup and view all the answers

To assess carbon monoxide poisoning in a client admitted with burns, which monitoring should the nurse prioritize?

<p>Serum carboxyhemoglobin levels (A)</p> Signup and view all the answers

What is the optimal tidal volume for ventilator weaning?

<p>5-8 ml/kg (D)</p> Signup and view all the answers

When suctioning a client's tracheostomy, which practice should the nurse follow?

<p>Adjust wall suction to 150 mm Hg (A)</p> Signup and view all the answers

In the case of suspected pulmonary embolism, which of the following therapeutic orders is anticipated?

<p>Anti-coagulant therapy (B), High-Fowler's position (D)</p> Signup and view all the answers

What symptom would indicate a possible complication following a thoracentesis?

<p>Sudden chest pain (C)</p> Signup and view all the answers

What action is most appropriate for a client with a pH of 7.30 and a pCO2 of 50 mm Hg?

<p>Change nasal cannula to partial rebreather mask at 8 L/min oxygen (A)</p> Signup and view all the answers

Which nursing task can be delegated to a licensed practical nurse?

<p>Administer a purified protein derivative (PPD) to a client (B)</p> Signup and view all the answers

When is a Mantoux test considered positive?

<p>48-72 hours (A)</p> Signup and view all the answers

What is indicated by fluctuations in the water seal chamber of a closed chest drainage system?

<p>The system is functioning properly (D)</p> Signup and view all the answers

Which schedule for chest physiotherapy is likely to be most therapeutic?

<p>7:00 a.m. and 1:00 p.m. (B)</p> Signup and view all the answers

What symptom is NOT associated with a suspected pulmonary embolism?

<p>Bradycardia (C)</p> Signup and view all the answers

What is the first clinical manifestation that would alert the nurse to a client experiencing adult respiratory distress syndrome (ARDS)?

<p>Increasing hypoxemia (C)</p> Signup and view all the answers

Which finding during an initial assessment would concern the nurse regarding a client's asthma status?

<p>Noticeably diminished breath sounds (D)</p> Signup and view all the answers

What is the most appropriate nursing action for a client with severe COPD and increased shortness of breath?

<p>Conduct further assessment of the client's respiratory status (D)</p> Signup and view all the answers

Which test is a priority for confirming a diagnosis of suspected tuberculosis (TB)?

<p>Sputum culture positive for Mycobacterium tuberculosis (B)</p> Signup and view all the answers

What finding indicates a positive result for the purified protein derivative (PPD) test?

<p>A firm, raised area at the injection site (B)</p> Signup and view all the answers

What is the significance of blood-tinged, frothy sputum in a client with pulmonary trauma?

<p>It may indicate development of ARDS (D)</p> Signup and view all the answers

Which statement would be true regarding wheezing sounds in a respiratory assessment?

<p>Loud wheezing during both inspiration and expiration is alarming (D)</p> Signup and view all the answers

What does a respiratory rate of 23 breaths/min indicate in a client with COPD?

<p>Potential respiratory distress (B)</p> Signup and view all the answers

What is the total number of pack-years for a client who smoked a half pack per day for 5 years and 1 pack per day for 10 years?

<p>12.5 pack-years (C)</p> Signup and view all the answers

Which action should the nurse take to improve the appetite of a client with pneumonia?

<p>Provide mouth care before meals (A)</p> Signup and view all the answers

What manifestation should the nurse expect in a client with left-sided heart failure progressing to pulmonary edema?

<p>Bilateral crackles (A)</p> Signup and view all the answers

What finding might explain the absence of a friction rub during assessment after having one previously auscultated?

<p>The effectiveness of the antibiotics (A)</p> Signup and view all the answers

If a client’s chest tube drainage decreased from 90 ml to 5 ml within an hour, what should the nurse suspect?

<p>The chest tube may be clotted (C)</p> Signup and view all the answers

Which clinical manifestations should a nurse monitor for in a client suspected of having pulmonary emphysema?

<p>Barrel chest appearance (D)</p> Signup and view all the answers

What is a common symptom in clients with pulmonary emphysema?

<p>Severe dyspnea (A)</p> Signup and view all the answers

What task may the nurse consider delegating to a licensed practical nurse?

<p>Monitoring vital signs and reporting findings (D)</p> Signup and view all the answers

What condition is indicated by a client presenting with a 'barrel chest'?

<p>Emphysema (D)</p> Signup and view all the answers

What statement indicates a client with tuberculosis understands their medication regimen?

<p>I should not be contagious after 2 to 3 weeks of medication therapy. (B)</p> Signup and view all the answers

What protective equipment should a nurse wear when giving a bed bath to a client with tuberculosis?

<p>Particulate respirator, gown, and gloves (C)</p> Signup and view all the answers

Which symptom is most commonly reported by a client who has experienced a pulmonary embolism?

<p>Chest pain that occurs suddenly (B)</p> Signup and view all the answers

What is the interpretation of a 7-mm area of induration from a Mantoux skin test in an HIV-positive client?

<p>Positive (B)</p> Signup and view all the answers

When assessing a client with histoplasmosis, which sign or symptom is the nurse most likely to observe?

<p>Dyspnea (B)</p> Signup and view all the answers

Which early sign should a client with sarcoidosis report as a potential exacerbation?

<p>Shortness of breath (C)</p> Signup and view all the answers

What is a common respiratory assessment finding in a client with chronic airflow limitation?

<p>Inspiratory crackles (C)</p> Signup and view all the answers

Flashcards

What is Adult Respiratory Distress Syndrome (ARDS)?

Characterized by severe inflammation and fluid buildup in the lungs, leading to impaired gas exchange and hypoxemia.

What is Hypoxemia?

A decrease in oxygen levels in the blood, often a key sign of respiratory distress.

What is Asthma?

A condition of narrowing of the airways, often triggered by allergic reactions, infections, or irritants.

What is Respiratory Distress?

Characterized by a worsening of breathing, with reduced airflow, making it harder for the lungs to oxygenate the blood.

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What is Chronic Obstructive Pulmonary Disease (COPD)?

A progressive lung disease leading to airflow obstruction and difficulty breathing, caused by chronic inflammation and lung damage.

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What is Tuberculosis (TB)?

An inflammatory condition caused by the bacteria Mycobacterium tuberculosis, primarily affecting the lungs, and highly contagious.

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What is Purified Protein Derivative (PPD) test?

A common test used to diagnose TB infection, involving the injection of a small amount of purified protein derivative from Mycobacterium tuberculosis.

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What does a positive PPD test result indicate?

A positive PPD test indicates past exposure to the tuberculosis bacteria, showing a raised, hard bump at the injection site.

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Positive Mantoux Test

A positive Mantoux test is indicated by an induration of 10 mm or more when read 48-72 hours after the test is administered.

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Optimal Tidal Volume for Ventilator Weaning

The optimal tidal volume for ventilator weaning is 6-8 ml/kg.

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Pulmonary Edema - Hypoxemia Treatment

The nurse anticipates that the physician will order the following for a client with pulmonary edema who is hypoxic: Change the nasal cannula to a partial rebreather mask at 8 L/min oxygen. This will increase the FiO2, which will hopefully increase their pO2.

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Chest Physiotherapy Scheduling

Chest physiotherapy should be scheduled at times that will allow the client to clear secretions comfortably. The most therapeutic schedule is usually 8:00 a.m. and 8:00 p.m.

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Fluctuations in Water Seal Chamber

Fluctuations in the water seal chamber of a closed chest drainage system indicate that an air leak is present. This can be caused by a loose connection or a hole in the tubing.

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Pulmonary Embolism Treatment

The nurse anticipates that the physician will order the following for a client suspected of having a pulmonary embolism: Anti-coagulant therapy.

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Pulmonary Embolism - Positioning

A client with no history of respiratory disease has a sudden onset of dyspnea, chest pain, and tachycardia.A pulmonary embolism is suspected.The nurse anticipates the physician will order the following: High Fowler's position.

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Pulmonary Embolism - Oxygenation

The nurse anticipates that the physician will order the following for a client suspected of having a pulmonary embolism: Oxygen at 4 L/min.

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Bronchitis

A condition where the inflammation of the bronchi causes coughing, mucus production, and shortness of breath. It is often triggered by viral infections.

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Thoracentesis

A procedure to remove fluid from the pleural space, often done to diagnose or treat lung infections or other conditions like pneumothorax.

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Pneumonia

A lung infection where the alveoli are filled with pus and fluid, causing fever, cough, chest pain, and difficulty breathing.

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Empyema

A serious condition where the pleural space fills with pus, often occurring as a complication of pneumonia or lung infections.

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Serum carboxyhemoglobin levels

A measurement of the amount of carbon monoxide in the blood, used to assess the severity of carbon monoxide poisoning.

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Vesicular breath sounds

The type of breath sounds heard in healthy lungs, characterized by soft, low-pitched sounds.

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Pleural effusion

A condition where there is an accumulation of fluid in the pleural space around the lungs, causing chest pain, shortness of breath, and difficulty breathing.

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Pulmonary edema

A condition where the alveoli are filled with fluid, which causes coughing, shortness of breath, chest pain, and difficulty breathing. Usually occurs due to various medical conditions, including heart failure, lung cancer, and pneumonia.

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Pack-years

A measure of the total amount of cigarettes smoked over time, calculated by multiplying the number of packs smoked per day by the number of years smoked.

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How to Improve Appetite in Pneumonia

Mouth care before meals can improve taste sensation and make eating more enjoyable for clients with pneumonia.

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Sign of Pulmonary Edema

Pulmonary edema is a buildup of fluid in the lungs, often caused by left-sided heart failure. Bilateral crackles, or crackling sounds heard through a stethoscope, are a common sign.

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Decreased Friction Rub in Pleurisy

A friction rub, a grating sound heard with auscultation, indicates inflammation of the pleura (lining of the lungs). The absence of a friction rub suggests a decrease in inflammation, possibly due to the effectiveness of treatment.

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Decreased Chest Tube Drainage

After chest tube insertion, drainage should gradually decrease as the lungs re-expand. A significant drop in drainage, especially after the initial post-surgery period, may raise concerns about a possible clot blocking the chest tube.

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Clinical Manifestations of Emphysema

Pulmonary emphysema is a chronic lung disease characterized by damaged alveoli (tiny air sacs in the lungs). This damage causes air trapping and difficulty breathing.

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Barrel Chest in Emphysema

A barrel chest (protruding chest) is a characteristic sign of emphysema, caused by the trapped air expanding the chest cavity.

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Dyspnea in Emphysema

Severe dyspnea (shortness of breath) is a common symptom of pulmonary emphysema due to the reduced oxygen exchange capacity of the damaged lungs.

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Bronchial Asthma

A condition in which the airways become narrowed and inflamed, often triggered by allergic reactions, infections, or irritants. It can cause wheezing, difficulty breathing, and tightness in the chest.

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Chronic Obstructive Bronchitis

A chronic lung disease characterized by inflammation and narrowing of the airways, leading to shortness of breath, wheezing, and a chronic cough. Caused by exposure to irritants like smoke and dust.

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Pulmonary Sarcoidosis

A chronic lung disease that involves inflammation of the lung tissue, which progresses slowly over time. Individuals with this condition are at increased risk for developing emphysema. The disease can be caused by exposure to various irritants like dust, smoke, and certain chemicals.

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Pulmonary Embolism

A serious condition where blood clots form in the lungs, often caused by deep vein thrombosis. It can block blood flow to the lungs, causing chest pain, shortness of breath, and coughing.

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Tuberculosis (TB)

An infection caused by the bacterium Mycobacterium tuberculosis, primarily affecting the lungs. It is spread through the air when an infected person coughs, sneezes, or talks.

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Histoplasmosis

A fungal infection caused by the fungus Histoplasma capsulatum, often found in bird droppings or soil. It is a serious infection for individuals with weakened immune systems.

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Mantoux Skin Test For Tuberculosis

A skin test used to detect infection with Mycobacterium tuberculosis. The results are determined by the size of the induration (hardening) at the injection site.

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What should a nurse do when the low-pressure alarm sounds on a ventilator?

The low-pressure alarm indicates a problem with the ventilator circuit, such as a leak or disconnection.

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What sign after a bronchoscopy should be reported immediately to the physician?

Blood-streaked sputum is a sign of potential bleeding in the airway, indicating a serious complication after a bronchoscopy.

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What is the maximum suctioning time for a tracheostomy tube?

Suctioning time should be limited to 10 seconds to minimize tissue trauma and reduce the risk of oxygen desaturation.

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What is the appropriate nursing intervention if the heart rate decreases during suctioning?

When a client's heart rate decreases during suctioning, it may indicate hypoxia, which is a lack of oxygen in the blood. This requires immediate action.

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What is the most distinctive sign of flail chest?

Flail chest is characterized by a segment of the rib cage breaking and moving independently from the rest of the rib cage, making it difficult to breathe. This can be recognized by paradoxical chest movement.

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What condition is suggested by a high-pressure alarm on a ventilator and absence of breath sounds in the right upper lung?

A right pneumothorax occurs when air leaks into the space between the lung and the chest wall, causing the lung to collapse. It's a serious complication after chest trauma.

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What is the earliest sign of acute respiratory distress syndrome (ARDS) in a client with multiple trauma?

The earliest sign of acute respiratory distress syndrome (ARDS) is tachypnea, which is an increased respiratory rate. Other signs include dyspnea, and a decrease in the oxygen level in the blood.

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How do intercostal muscles contribute to respiratory function?

Intercostal muscles are located between the ribs and play a crucial role in respiration. Strengthening these muscles helps to improve lung capacity and breathing efficiency.

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Study Notes

Respiratory System - Nurse Licensure Exam

  • Adult Respiratory Distress Syndrome (ARDS): Early sign is increasing hypoxemia, followed by dense pulmonary infiltrates ("whited-out" appearance)
  • Asthma Exacerbation: Loud wheezing on expiration is a more serious sign, suggesting worsened status, compared to wheezing throughout lung fields or mild wheezing on inspiration.
  • COPD: Home oxygen therapy at 2 L/min with a respiratory rate of 23 breaths/minute signals potential worsening. Further assessment, not increasing oxygen, is priority
  • Tuberculosis (TB): Priority test is sputum culture positive for Mycobacterium tuberculosis. Chest X-ray, positive PPD test, and sputum-positive blood (hemoptysis) are also important, but less definitive. Airborne precautions are necessary until active TB is confirmed
  • TB Testing (PPD): A positive PPD test is characterized by an induration of 10 mm or greater, not area of erythema or a bruise.
  • Ventilator Weaning: Optimal tidal volume is 5-8 ml/kg..
  • Pulmonary Embolism: Clinical manifestations include dyspnea, chest pain, tachycardia. The nurse anticipates semi-Fowler position or high-Fowler's position, oxygen at 4 L/min, and anticoagulant therapy.
  • Pulmonary Edema: ABG results show a pH of 7.30, pCO2 of 50 mm Hg, pO2 of 56 mm Hg, and HCO3 of 24 mm Hg indicating respiratory acidosis. A physician will likely order additional oxygen via a face mask
  • Delegating Nursing Tasks: Licensed practical nurses can perform tasks like assisting with pursed-lip breathing, but not clarifying physician orders, administering PPD, or educating about complex procedures like bronchoscopy.
  • Mantoux Test: Positive result is an induration of 10 mm or greater, measured 48-72 hours after the injection.
  • Chest Physiotherapy: Ideal schedule for twice-daily chest physiotherapy is 7:00 AM and 1:00 PM or 6:00 AM and 4:00 PM, avoiding an 8:00 PM time.
  • Closed Chest Drainage System: Fluctuations in the water seal chamber indicate a functioning system, whereas air leaks, kinks, or lack of re-expansion of the lung can cause these problems.
  • Acute Onset Respiratory Complaint in Young Adult: Possible causes include pneumonia, bronchitis or pneumoconiosis.

Additional Respiratory Conditions and Assessments

  • Bronchitis: Include avoidance of cigarette smoking in instructions for clients with bronchitis.
  • Thoracentesis: Diminished breath sounds on the affected side, not crackles, requires further assessment following a thoracentesis.
  • Pneumonia: Documented findings from auscultation include absent breath sounds, not bronchovesicular or vesicular sounds.
  • Empyema: The nurse should have a chest tube insertion kit if thoracentesis proves ineffective.
  • Inhalation Injury: Monitor serum carboxyhemoglobin levels to determine extent of carbon monoxide poisoning
  • Tracheostomy Suctioning: Avoid instilling sterile saline into the trachea when suctioning, as this may irritate the tracheal mucosa. Limit suction to 15 seconds.
  • Smoking History: Calculate smoking history as pack-years (packs per day x years smoked).
  • Left-sided Heart Failure: Symptoms of pulmonary edema include bilateral crackles, not dry hacking cough, fever or peripheral edema.
  • Pleurisy: Absence of friction rub suggests a decrease in the inflammatory response or accumulation of pleural fluid.
  • Chest Tube Drainage: A significant drop-off in drainage (e.g., from 90ml to 5ml) often signifies an issue like a clot, needing additional investigation.
  • Pulmonary Emphysema: Clinical features include copious sputum production, barrel chest, prolonged inspiratory phase, marked weight loss, and severe dyspnea.
  • Head and Neck Assessment: A normal finding is a movable, discrete lymph node and symmetrical neck muscles. A non-palpable thyroid is also considered normal.
  • Chest Assessment: Assessment include normal thorax measurement (costal margin of less than 90 degrees, and absence of accessory muscles usage), and normal breath sound assessments (as described in item 29)
  • Sputum Specimen Collection: Ensure instructions include deep breathing and coughing, and collecting prior to fluids restriction or bedtime.
  • Blunt Chest Injury (Pneumothorax): Signs include diminished breath sounds and possible sucking sound at the injury site, while low respiratory rate is not a classic sign
  • Acute Respiratory Distress Syndrome (ARDS): The earliest signs include increased respiratory rate, intercostal retractions, and inspiratory crackles, not bilateral wheezing.

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