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Oxygenation and Respiratory Care in Clinical Nursing Quiz

#1

Which of the following is NOT a common sign of hypoxemia?

Bradycardia
Explanation

Bradycardia is not a common sign of hypoxemia; tachycardia is typically observed.

#2

What is the primary function of the alveoli in the respiratory system?

Gas exchange
Explanation

Alveoli facilitate gas exchange, allowing oxygen to enter the bloodstream and carbon dioxide to be expelled.

#3

Which of the following is a common pharmacological intervention for acute bronchospasm?

Bronchodilators
Explanation

Bronchodilators are commonly used to relieve bronchospasm and improve airflow in acute respiratory conditions.

#4

Which of the following respiratory conditions is characterized by inflammation and narrowing of the airways?

Bronchitis
Explanation

Bronchitis involves inflammation and narrowing of the airways, leading to breathing difficulties.

#5

Which of the following conditions is characterized by a sudden, severe, and sharp chest pain exacerbated by deep breathing or coughing?

Pleurisy
Explanation

Pleurisy involves sudden, severe chest pain worsened by deep breathing or coughing, often due to inflammation of the pleura.

#6

What is the primary function of the respiratory system?

Gas exchange
Explanation

The primary function of the respiratory system is to facilitate gas exchange between the lungs and bloodstream.

#7

What does PEEP stand for in respiratory care?

Positive End-Expiratory Pressure
Explanation

PEEP, or Positive End-Expiratory Pressure, helps keep the airways open and improves oxygenation.

#8

Which of the following respiratory conditions is characterized by airflow obstruction that is not fully reversible?

Chronic obstructive pulmonary disease (COPD)
Explanation

COPD is marked by persistent, partially reversible airflow obstruction.

#9

Which of the following respiratory parameters is typically measured using a pulse oximeter?

Oxygen saturation (SpO2)
Explanation

Pulse oximeters measure oxygen saturation, providing a crucial respiratory parameter.

#10

What is the primary cause of respiratory alkalosis?

Hyperventilation
Explanation

Respiratory alkalosis is primarily caused by hyperventilation, leading to a decrease in carbon dioxide levels.

#11

Which of the following is a hallmark symptom of acute respiratory distress syndrome (ARDS)?

Dyspnea
Explanation

Dyspnea, or difficulty breathing, is a hallmark symptom of ARDS.

#12

What is the most appropriate nursing intervention for a patient with impaired gas exchange?

Encouraging deep breathing exercises
Explanation

Encouraging deep breathing exercises helps improve gas exchange in patients with impaired respiratory function.

#13

What is the purpose of pursed-lip breathing?

To reduce air trapping
Explanation

Pursed-lip breathing helps prolong exhalation, reducing air trapping and improving gas exchange.

#14

Which of the following is NOT a potential complication of oxygen therapy?

Atelectasis
Explanation

Atelectasis is not a common complication of oxygen therapy; oxygen therapy aims to prevent it.

#15

What is the primary purpose of incentive spirometry?

To promote deep breathing and prevent atelectasis
Explanation

Incentive spirometry encourages deep breathing, preventing atelectasis and improving lung function.

#16

What is the primary purpose of a nebulizer in respiratory therapy?

To administer bronchodilator medications
Explanation

Nebulizers deliver bronchodilator medications in a mist form to the respiratory system.

#17

Which of the following factors can contribute to the development of respiratory infections in hospitalized patients?

Prolonged mechanical ventilation
Explanation

Prolonged mechanical ventilation increases the risk of respiratory infections in hospitalized patients.

#18

What is the primary goal of chest physiotherapy?

To facilitate sputum clearance and improve ventilation
Explanation

Chest physiotherapy aims to enhance sputum clearance and ventilation in the respiratory system.

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