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Questions and Answers
What is the function of the mucus blanket in the respiratory mucosa?
What is the function of the mucus blanket in the respiratory mucosa?
The respiratory mucosa is responsible for:
The respiratory mucosa is responsible for:
What is the function of the epiglottis during swallowing?
What is the function of the epiglottis during swallowing?
What is the largest piece of cartilage in the larynx?
What is the largest piece of cartilage in the larynx?
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Which structure in the respiratory system is responsible for the exchange of gases?
Which structure in the respiratory system is responsible for the exchange of gases?
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What is the primary function of the bronchi and bronchioles?
What is the primary function of the bronchi and bronchioles?
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Which of the following conditions is characterized by the presence of air in the pleural space?
Which of the following conditions is characterized by the presence of air in the pleural space?
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The condition known as epiglottitis is caused by which organism?
The condition known as epiglottitis is caused by which organism?
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Which of the following is a common symptom of laryngitis?
Which of the following is a common symptom of laryngitis?
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Which muscle(s) are primarily responsible for inspiration?
Which muscle(s) are primarily responsible for inspiration?
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What is the most common cause of death in premature infants?
What is the most common cause of death in premature infants?
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What happens to the pressure inside the lungs during inspiration?
What happens to the pressure inside the lungs during inspiration?
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Quiet expiration is primarily a(n) ____ process.
Quiet expiration is primarily a(n) ____ process.
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Which of the following disorders is characterized by difficulty breathing due to narrowing of the airways?
Which of the following disorders is characterized by difficulty breathing due to narrowing of the airways?
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What is the function of surfactant in the alveoli?
What is the function of surfactant in the alveoli?
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Which of these is NOT a factor that influences the regulation of ventilation?
Which of these is NOT a factor that influences the regulation of ventilation?
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What is the term for labored or difficult breathing?
What is the term for labored or difficult breathing?
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Which of the following is NOT a condition related to the lower respiratory tract?
Which of the following is NOT a condition related to the lower respiratory tract?
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Which of the following is TRUE about the right primary bronchus?
Which of the following is TRUE about the right primary bronchus?
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What is the approximate volume of air exchanged during normal quiet breathing called?
What is the approximate volume of air exchanged during normal quiet breathing called?
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Which of the following condition can be treated with abdominal thrusts?
Which of the following condition can be treated with abdominal thrusts?
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Which of the following is the largest volume of air that can be exhaled after a maximal inspiration?
Which of the following is the largest volume of air that can be exhaled after a maximal inspiration?
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Which of the following structures is involved in speech production?
Which of the following structures is involved in speech production?
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What is the term for the air that remains in the lungs after a forceful exhalation?
What is the term for the air that remains in the lungs after a forceful exhalation?
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What does the medulla oblongata primarily control in relation to respiration?
What does the medulla oblongata primarily control in relation to respiration?
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Which organ is primarily responsible for the gas exchange in the respiratory system?
Which organ is primarily responsible for the gas exchange in the respiratory system?
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Which of the following conditions is NOT a respiratory disorder?
Which of the following conditions is NOT a respiratory disorder?
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What is the primary role of chemoreceptors in respiration?
What is the primary role of chemoreceptors in respiration?
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What is included in the upper respiratory tract?
What is included in the upper respiratory tract?
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Which condition is commonly associated with the lower respiratory tract?
Which condition is commonly associated with the lower respiratory tract?
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During pulmonary gas exchange, where does oxygen move from and to?
During pulmonary gas exchange, where does oxygen move from and to?
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How is the majority of oxygen transported in the blood?
How is the majority of oxygen transported in the blood?
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What is the main function of the trachea in the respiratory system?
What is the main function of the trachea in the respiratory system?
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Which structure is NOT part of the upper respiratory tract?
Which structure is NOT part of the upper respiratory tract?
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What is the primary form in which carbon dioxide is transported in the blood?
What is the primary form in which carbon dioxide is transported in the blood?
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Which of the following is NOT a characteristic of Cheyne-Stokes respiration?
Which of the following is NOT a characteristic of Cheyne-Stokes respiration?
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What is the difference between internal and external respiration?
What is the difference between internal and external respiration?
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Which of the following is the correct sequence of events during inspiration?
Which of the following is the correct sequence of events during inspiration?
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Which combining form refers to the trachea?
Which combining form refers to the trachea?
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What combining form means 'lung, air'?
What combining form means 'lung, air'?
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Which combining form indicates 'mouth, mouthlike opening'?
Which combining form indicates 'mouth, mouthlike opening'?
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Which term refers to the 'diaphragm'?
Which term refers to the 'diaphragm'?
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What combining form stands for 'cartilage'?
What combining form stands for 'cartilage'?
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What does the abbreviation "CF" stand for in the context of respiratory conditions?
What does the abbreviation "CF" stand for in the context of respiratory conditions?
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What does "PE" stand for in the context of respiratory conditions?
What does "PE" stand for in the context of respiratory conditions?
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Which condition is represented by the abbreviation "ARDS"?
Which condition is represented by the abbreviation "ARDS"?
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What is the correct abbreviation for the common respiratory condition known as "croup"?
What is the correct abbreviation for the common respiratory condition known as "croup"?
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Which of the following abbreviations refers to a respiratory condition commonly associated with coal miners?
Which of the following abbreviations refers to a respiratory condition commonly associated with coal miners?
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Which of the following structures is responsible for dividing the nasal passages into left and right sides?
Which of the following structures is responsible for dividing the nasal passages into left and right sides?
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Which of the following structures is NOT a part of the upper respiratory tract?
Which of the following structures is NOT a part of the upper respiratory tract?
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What is the function of the epiglottis?
What is the function of the epiglottis?
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Which abbreviation is a common term used for a medical procedure involving inserting a plastic tube into the airway to help with breathing?
Which abbreviation is a common term used for a medical procedure involving inserting a plastic tube into the airway to help with breathing?
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What is the correct abbreviation for the term "Pulse Oximetry"?
What is the correct abbreviation for the term "Pulse Oximetry"?
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Which of the following is NOT a function of the cilia in the nasal cavity?
Which of the following is NOT a function of the cilia in the nasal cavity?
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Which of the following structures is responsible for the exchange of gases between the air and the blood?
Which of the following structures is responsible for the exchange of gases between the air and the blood?
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Which of the following structures is NOT a division of the lungs?
Which of the following structures is NOT a division of the lungs?
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Which of the following is the primary function of the pleurae?
Which of the following is the primary function of the pleurae?
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Which of the following is NOT involved in the process of inspiration (breathing in)?
Which of the following is NOT involved in the process of inspiration (breathing in)?
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Which condition is associated with an accumulation of fluid in the pleural space?
Which condition is associated with an accumulation of fluid in the pleural space?
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What is the primary purpose of a bronchoscopy?
What is the primary purpose of a bronchoscopy?
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Which of the following is a common cause of epistaxis?
Which of the following is a common cause of epistaxis?
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What does pneumoconiosis refer to?
What does pneumoconiosis refer to?
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What do arterial blood gases (ABGs) measure?
What do arterial blood gases (ABGs) measure?
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Which respiratory condition is characterized by wheezing due to airway constriction?
Which respiratory condition is characterized by wheezing due to airway constriction?
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What is a primary symptom of hypercapnia?
What is a primary symptom of hypercapnia?
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Which of these conditions is characterized by difficulty in breathing when lying flat?
Which of these conditions is characterized by difficulty in breathing when lying flat?
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What is the primary purpose of the Mantoux test?
What is the primary purpose of the Mantoux test?
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What type of device is a metered dose inhaler (MDI)?
What type of device is a metered dose inhaler (MDI)?
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What does pleurodesis aim to achieve?
What does pleurodesis aim to achieve?
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Which procedure involves the use of a device to produce a fine mist for deep airways?
Which procedure involves the use of a device to produce a fine mist for deep airways?
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What is the main function of the test that involves the measurement of O2 and CO2 levels in arterial blood?
What is the main function of the test that involves the measurement of O2 and CO2 levels in arterial blood?
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What is the primary delivery method of medication when using a nebulizer?
What is the primary delivery method of medication when using a nebulizer?
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Which procedure involves a visual examination of the airways?
Which procedure involves a visual examination of the airways?
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How does pleurodesis accomplish pleural fusion?
How does pleurodesis accomplish pleural fusion?
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What is the purpose of postural drainage in respiratory care?
What is the purpose of postural drainage in respiratory care?
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What does pulmonary angiography examine?
What does pulmonary angiography examine?
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What type of test is commonly referred to as spirometry?
What type of test is commonly referred to as spirometry?
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Which procedure involves measuring the saturation of peripheral oxygen?
Which procedure involves measuring the saturation of peripheral oxygen?
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What is the purpose of a nebulizer?
What is the purpose of a nebulizer?
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What does sputum analysis involve?
What does sputum analysis involve?
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What is the intended result of infusing a sterile irritating substance into the pleural space?
What is the intended result of infusing a sterile irritating substance into the pleural space?
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In pulmonary function tests, what is primarily assessed?
In pulmonary function tests, what is primarily assessed?
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Flashcards
Major organs of the respiratory system
Major organs of the respiratory system
Organs like the lungs, trachea, and bronchi that enable breathing.
Upper respiratory tract
Upper respiratory tract
Includes structures like the nose, pharynx, and larynx responsible for air conduction and filtering.
Conditions of the upper respiratory tract
Conditions of the upper respiratory tract
Common ailments like colds, sinusitis, and allergies affecting the upper respiratory system.
Lower respiratory tract
Lower respiratory tract
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Conditions of the lower respiratory tract
Conditions of the lower respiratory tract
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Respiratory System Structure
Respiratory System Structure
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Diffusion
Diffusion
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Respiratory Mucosa
Respiratory Mucosa
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Function of Mucus
Function of Mucus
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Functions of the Nose
Functions of the Nose
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Pharynx
Pharynx
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Functions of the Pharynx
Functions of the Pharynx
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Larynx
Larynx
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Structure of the Trachea
Structure of the Trachea
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Bronchi
Bronchi
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Alveoli
Alveoli
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Respiratory Distress Syndrome
Respiratory Distress Syndrome
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Pleura
Pleura
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Pulmonary ventilation
Pulmonary ventilation
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Inspiration
Inspiration
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Expiration
Expiration
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Tidal volume (TV)
Tidal volume (TV)
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Vital capacity (VC)
Vital capacity (VC)
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Inspiratory reserve volume (IRV)
Inspiratory reserve volume (IRV)
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Expiratory reserve volume (ERV)
Expiratory reserve volume (ERV)
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Residual volume (RV)
Residual volume (RV)
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Regulation of ventilation
Regulation of ventilation
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Eupnea
Eupnea
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Hyperventilation
Hyperventilation
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Hypoventilation
Hypoventilation
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Cheyne-Stokes respiration
Cheyne-Stokes respiration
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Oxyhemoglobin
Oxyhemoglobin
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Carbaminohemoglobin
Carbaminohemoglobin
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Mantoux test
Mantoux test
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Metered dose inhaler (MDI)
Metered dose inhaler (MDI)
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Nebulizer
Nebulizer
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Pleurodesis
Pleurodesis
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Oxygen and carbon dioxide levels
Oxygen and carbon dioxide levels
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Radiological picture of lungs
Radiological picture of lungs
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Visual examination of airways
Visual examination of airways
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Intradermal injection
Intradermal injection
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Empyema
Empyema
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Hemothorax
Hemothorax
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Pneumothorax
Pneumothorax
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Pleural Effusion
Pleural Effusion
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Pneumonia
Pneumonia
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Pulmonary Embolism
Pulmonary Embolism
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Bronchoscopy
Bronchoscopy
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Chest X-ray
Chest X-ray
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Acute Bronchitis
Acute Bronchitis
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Acute Respiratory Distress Syndrome (ARDS)
Acute Respiratory Distress Syndrome (ARDS)
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Chronic Obstructive Pulmonary Disease (COPD)
Chronic Obstructive Pulmonary Disease (COPD)
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Cystic Fibrosis (CF)
Cystic Fibrosis (CF)
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Pulmonary Resuscitation (CPR)
Pulmonary Resuscitation (CPR)
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Oxygen Therapy (O2)
Oxygen Therapy (O2)
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Allergic Rhinitis
Allergic Rhinitis
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Atelectasis
Atelectasis
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Postural Drainage
Postural Drainage
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Pulmonary Angiography
Pulmonary Angiography
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Pulmonary Function Tests (PFTs)
Pulmonary Function Tests (PFTs)
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Pulse Oximetry
Pulse Oximetry
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Sputum Analysis
Sputum Analysis
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Chest Physiotherapy (CPT)
Chest Physiotherapy (CPT)
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Spirometry
Spirometry
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Contrast Dye
Contrast Dye
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trache/o
trache/o
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stomat/o
stomat/o
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Nares
Nares
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Nasal septum
Nasal septum
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Hard palate
Hard palate
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Sinus cavities
Sinus cavities
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Cilia
Cilia
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Epiglottis
Epiglottis
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Study Notes
Respiratory System
- The respiratory system is covered in chapter 17.
- Learning objectives for lesson 17.1 include listing and describing the function of respiratory system organs, discussing the structures and conditions of the upper respiratory tract, and discussing the structures and conditions of the lower respiratory tract.
- The basic plan of the respiratory system is similar to an inverted tree.
- Gas exchange occurs through diffusion.
- The upper respiratory tract includes the nose, pharynx, and larynx.
- The lower respiratory tract includes the trachea, bronchial tree, and lungs.
- Respiratory mucosa lines the air distribution tubes and produces a mucus blanket.
- The cilia on mucosal cells move mucus upward to the pharynx.
Nose
- The nasal septum divides the nose into two cavities.
- The mucous membrane lines the nose.
- Nasal polyps are noncancerous growths.
- Frontal, maxillary, sphenoidal, and ethmoidal sinuses drain into the nose.
- The nose warms and moistens inhaled air.
- Functions of the nose: Warms and moistens inhaled air; contains sense organs of smell.
Pharynx
- The pharynx (throat) is approximately 12.5 cm (5 inches) long and divided into nasopharynx, oropharynx, and laryngopharynx.
- The pharynx has openings for nasal cavities, mouth, esophagus, larynx, and auditory tubes.
- Pharyngeal tonsils and openings to the auditory tubes are in the nasopharynx.
- Other tonsils are in the oropharynx.
- The pharynx is lined by mucous membrane.
Larynx
- The larynx (voice box) is located below the pharynx.
- It has several pieces of cartilage including the thyroid cartilage (Adam's apple).
- The epiglottis partially covers the opening into the larynx.
- The larynx contains a mucous lining and vocal cords.
- The space between the cords is called the glottis.
- Functions of the larynx: Air distribution and voice production.
Laryngeal Cancer
- The incidence increases with age and alcohol abuse.
- Mostly affects men over age 50.
- Removal of the larynx may require esophageal speech or an artificial larynx.
Upper Respiratory Infections (URIs)
- Rhinitis: Nasal inflammation (cold, influenza, or allergies).
- Pharyngitis: Inflammation or infection of the pharynx (sore throat)
- Infectious rhinitis is also known as the common cold.
- Allergic rhinitis is also known as hay fever.
Laryngitis
- Inflammation of the larynx due to infection or irritation.
- Epiglottitis is a life-threatening condition, caused by Haemophilus influenzae type B (Hib) infection.
- Croup causes a barking cough.
Anatomical Conditions
- Deviated septum: A septum that is abnormally far from a midsagittal plane (congenital or acquired).
- Epistaxis (bloody nose): Due to mechanical injuries to the nose, hypertension, or other factors.
Trachea
- The trachea (windpipe) is about 11 cm (4.5 inches) long.
- It extends from the larynx into the thoracic cavity.
- C-shaped rings of cartilage hold the trachea open.
- Function: Passageway for air to move to and from the lungs.
- Obstruction can be life-threatening in minutes.
- Common procedures to clear obstructions include abdominal thrusts and tracheostomies.
Bronchi, Bronchioles, and Alveoli
- The trachea branches into right and left bronchi, with the right bronchus being more vertical.
- Aspirated objects often lodge in the right primary bronchus.
- Each bronchus branches into smaller tubes (secondary bronchi), eventually leading to bronchioles.
- Bronchioles end in clusters of microscopic alveolar sacs.
- Alveolar walls are made up of alveoli, which are where gas exchange occurs between air and blood.
Functions of Bronchi, Bronchioles, and Alveoli
- Bronchi and bronchioles distribute air.
- Alveoli exchange gases between blood and air.
- Type II cells produce surfactant to help reduce surface tension in the alveoli.
Gas Exchange Structures of the Lung
- These structures include alveoli, surfactant, capillaries, and other components essential for gas exchange.
- Alveolar walls provide a large surface area for diffusion.
Respiratory Distress
- Infant respiratory distress syndrome (IRDS) is a leading cause of death in premature infants. It's caused by a lack of surfactant production.
- Adult respiratory distress syndrome (ARDS) is surfactant impairment caused by foreign substances or other factors.
Structure of the Lungs
- Lungs are large enough to fill the chest cavity, except for where the heart and large blood vessels are located.
- The apex is the narrow upper portion of each lung.
- The base is the broader lower part that rests on the diaphragm.
Structure of the Pleura
- The pleura is a moist, smooth, slippery membrane lining the chest cavity. It covers the lungs and chest wall, reducing friction during breathing.
Functions of the Lungs and Pleura
- Function: Pulmonary ventilation (breathing).
- Pleurisy: Inflammation of the pleura.
- Atelectasis: Incomplete expansion or collapse of the lung.
- Pneumothorax: Presence of air in the pleural space.
- Hemothorax: Presence of blood in the pleural space.
Conditions of the Lower Respiratory Tract
- Acute bronchitis.
- Pneumonia.
- Tuberculosis.
- Restrictive pulmonary disorders.
- Obstructive pulmonary disorders (e.g., COPD, chronic bronchitis, emphysema, asthma).
- Lung cancer.
Respiration and Gas Exchange
- Pulmonary ventilation involves inspiration (breathing in) and expiration (breathing out).
- Mechanically this occurs due to changes in pressure and volume of the thorax.
- Mechanisms include the diaphragm and external and internal intercostals.
- Regulation is done by the brainstem, including central regulatory centers.
- Breathing rates are influenced by factors like the medullary rhythmicity area.
Volumes of Air Exchanged in Pulmonary Ventilation
- Tidal volume.
- Inspiratory Reserve Volume.
- Expiratory Reserve Volume.
- Vital Capacity.
- Residual Volume.
- Total Lung Capacity.
Regulation of Ventilation
- Regulation permits body adaptation to varying oxygen and carbon dioxide needs.
- Brainstem’s respiratory control centers respond to changes in chemical levels and other factors.
- Medullary centers set the resting breathing rate.
- Pontine centers adjust the breathing rhythm.
- External factors, like the cerebral cortex, influence, but to a limited extent, respiratory control.
Breathing Patterns
- Eupnea (normal breathing).
- Hyperventilation (rapid, deep breathing).
- Hypoventilation (slow, shallow breathing).
- Dyspnea (labored or difficult breathing).
- Orthopnea (dyspnea relieved by upright posture).
- Apnea (cessation of breathing).
- Cheyne-Stokes Respiration (CSR).
Pulmonary Gas Exchange
- Carbaminohemoglobin: Carbon dioxide bonds to hemoglobin.
- Carbon Dioxide Movement: Carbon dioxide leaves lung blood and enters the alveoli.
- Oxygen Movement: Oxygen moves from alveoli into blood.
- Oxyhemoglobin: Oxygen binds with hemoglobin.
Blood Transportation of Gases
- Oxygen transport: Most oxygen binds to hemoglobin to form oxyhemoglobin.
- Carbon dioxide transport: Significant amounts transported as bicarbonate ions in blood. Some as carbaminohemoglobin. There are additional ways to transport gases in blood, including dissolved forms.
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Description
Test your knowledge on Chapter 17 of the respiratory system. Explore the functions of various organs, the upper and lower respiratory tract structures, and the mechanisms of gas exchange. This quiz will help reinforce your understanding of respiratory anatomy and physiology.