Pathophysiology Pulmonary Practice Exam

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• If PaO2 is 100 mmHg, what is the approximate blood saturation percentage?
• What happens during an open pneumothorax?
• What is the term for prolonged gasping inspiration followed by very short inefficient expiration?
• What is the primary consequence of Phase 3 of ARDS?
• Which of the following conditions indicates respiratory alkalosis?
• Which of the following factors can negatively impact the ACE/ACE II ratio?
• Which mechanism expels particles that are 2 to 10 micrometers in size?
• What is the typical duration of a single inspiration in normal respiration?
• What is the normal atmospheric pressure at sea level?
• Where are the receptors that trigger the sneeze reflex located?
• What is the typical duration of expiration during normal breathing?
• What distinguishes exudate from transudate?
• What is the normal total lung capacity (TLC)?
• If a patient's DLCO is elevated, which of the following conditions could be suspected?
• What is pneumothorax primarily defined as?
• This type of atelectasis occurs due to blockage of the airway and results in collapse of the distal lung tissue. What type is this?
• What is the primary mechanism by which pulmonary hypertension leads to right ventricular failure?
• What is the oxygen saturation range indicating severe hypoxemia?
• Which type of cells are responsible for producing surfactant in the alveoli?
• What is the typical cause of a spontaneous pneumothorax?
• What is the primary role of alveolar macrophages in the lungs?
• What is the normal range for arterial oxygen tension (P02)?
• What is the primary type of tissue found in the mucosa layer of the conducting zone?
• Which of the following gases primarily binds to what in systemic capillaries to be transported?
• What is the pressure range typically found in the pleural space?
• What is the normal arterial blood pH range?
• Which of the following is NOT an olfactory defense mechanism?
• Which finding is typical in pulmonary function tests (PFT) for restrictive disorders?
• What does sarcoidosis involve?
• What role does obesity play in the ACE/ACE II ratio?
• Which of the following health issues is NOT typically associated with emphysema?
• Which of the following best describes a "sucking chest wound"?
• What is the water vapor pressure in the respiratory tract?
• What is the primary function of the mucus produced by goblet cells?
• Type II alveolar cells are primarily responsible for producing which substance?
• Which is a non-respiratory function of the pulmonary system?
• In which part of the body is the Haldane effect primarily observed?
• What primarily causes expiration during normal breathing?
• What is the normal expiratory reserve volume (ERV) for an adult?
• What are the Pores of Kohn responsible for?
• Why is it significant that water vapor pressure in the respiratory tract is 47 mmHg?
• What term is defined as "gas exchange" in the context of pulmonary physiology?
• What symptoms may occur due to a moderate increase in CO2 concentration in inspired air?
• When does a small decrease in O2 concentration begin to stimulate hyperpnea?
• What is hypercapnia typically associated with in terms of blood pH?
• In which population is the Hering-Bruer inflation reflex predominantly applicable?
• What is the normal range for arterial oxygen partial pressure (PaO2)?
• What do the short shallow breathing patterns indicate?
• How does an increase in stretch receptors' response affect the lungs?
• Which type of pneumothorax is characterized by a penetrating chest wound?
• What is a common feature of intrapulmonary restrictive disorders?
• What respiratory condition results from an accumulation of fluid in the alveoli?
• Air trapping is a characteristic feature of which condition?
• Which of the following conditions does NOT contribute to hypoventilation?
• What volume is typically assigned to anatomical dead space?
• What is a key role of the diaphragm in respiration?
• What does a reduced DLCO indicate in the context of restrictive disorders?
• Which parameter indicates how much air a person can forcibly exhale in one second?
• Which of the following conditions is included under extrapulmonary restrictive disorders?
• What is not found in the terminal bronchioles?
• What is the effect of localized pain on the ventilation rate?
• What type of blood circulation supplies the alveoli for gas exchange?
• Which of the following responses occurs first with peripheral chemoreceptors when detecting low PO2 levels?
• What role does the basement membrane play in the respiratory system?
• Asymptomatic asthma patients may show which of the following PFT findings?
• Pulmonary hypertension is defined as pulmonary pressures exceeding which value?
• This type of atelectasis occurs due to external forces compressing the alveoli. What type is this?
• Which of the following indicates a more severe case of COPD when measured?
• Which of the following is a common cause of bronchiectasis?
• What is the main purpose of segmental bronchi in the lungs?
• What drives gas exchange at the alveolocapillary membrane?
• What does dead space ventilation refer to?
• What does minute ventilation (Ve) refer to?
• Which oxygen saturation range indicates mild hypoxemia?
• What is the primary function of the respiratory zone in the lungs?
• What physiological state does a "left shift" of the oxygen-hemoglobin dissociation curve indicate?
• What triggers the Hering-Bruer deflation reflex?
• What does FEV1 stand for?
• In adults, changes in which volume would reflect problems with expiration?
• What happens to the ventilation rate when baroreceptors detect decreased pressure?
• What is the typical spirometry finding for restrictive lung disease in terms of FEV1/FVC ratio?
• Which center in the Pons is responsible for inspiration?
• What does the "steep" portion of the oxyhemoglobin dissociation curve indicate?
• Which of the following is considered a normal value for arterial oxygen saturation?
• Restrictive pulmonary disorders primarily restrict which phase of breathing?
• What instrument is used to visualize the bronchi and bronchioles?
• What structural feature connects the smooth muscle layer to the epithelium in the bronchioles?
• What type of pleural effusion is associated with large protein amounts and inflammation?
• COVID-19 specifically binds to which enzyme?
• What physiological mechanism primarily aids in the protection of the lungs against pathogens and irritants?
• What do lymphatic capillaries primarily drain?
• How many lobar bronchi are present in the left lung?
• What occurs when there is an increase in hydrogen ion concentration detected by central chemoreceptors?
• Which of the following structures is primarily responsible for respiration in the lungs?
• Inhalation of harmful particles less than 2 micrometers can compromise which type of tissue?
• What is the characteristic timeframe for the onset of symptoms in the late phase of an acute asthma attack?
• What is the physiological response to a decrease in atmospheric PO2, such as during altitude exposure?
• What does the oxyhemoglobin dissociation curve illustrate?
• Hypoventilation can lead to which of the following conditions?
• Which type of pleura is more sensitive to pain?
• Mucosa in the respiratory system is composed of which type of tissue?
• Chronic bronchitis is characterized by excessive secretion of which substance?
• What is the normal range for arterial carbon dioxide tension (PCO2)?
• Hypoventilation can result from which of the following?
• Which category of atelectasis occurs due to restrictive fibrosis of the lung/pleura preventing expansion?
• What is the primary function of type I alveolar cells?
• What is the normal tidal volume (TV) for an adult?
• Which of the following can worsen PaCO2 levels when supplemental oxygen is given?
• How does visceral pain affect the ventilation rate?
• Sympathetic stimulation of B-2 receptors will result in what effect on bronchial smooth muscle?
• Which part of the nervous system primarily influences the respiratory centers in the brain?
• Which pulmonary function test (PFT) finding is characteristic of obstructive lung disease?
• What structure is located at the sternal angle and marks the division of the right and left primary bronchi?
• In terms of respiratory physiology, what is the primary difference between the DRG and VRG?
• What is a feature of paraseptal emphysema?
• Which component primarily contributes to the inflammatory effect when ACE II activity is limited?
• Which structure primarily assists with the maintenance of alveolar stability?
• Which pleura is less sensitive to stimuli like pain and temperature?
• Which respiratory condition is characterized by a productive cough lasting for at least how many months for two consecutive years?
• Which of the following disorders is most associated with restrictive lung pathology leading to atelectasis?
• Which of the following is NOT a category of restrictive pulmonary disorders?
• In obstructive lung disease, a decreased FEV1 is typically associated with which finding?
• Hyperventilation can lead to which condition regarding carbon dioxide levels?
• Primary spontaneous pneumothorax is most commonly seen in which demographic?
• Which statement accurately describes the alveolar-capillary membrane’s primary function?
• What do Clara (club) cells secrete?
• In patients with chronic asthma, which physiological change is typically observed?
• How is minute ventilation calculated?
• Which condition would present with a normal FEV1/FVC ratio?
• When evaluating a patient with CNS disorders, which type of ventilation may you observe abnormalities in?
• What is a primary reason for the increase in total lung capacity (TLC) observed in obstructive lung disease?
• Which condition can pleural effusion lead to?
• If a patient's PaO2 is less than 60 mmHg, what is the recommended intervention?
• In pulmonary function tests (PFT) findings for asthma, which of the following is true?
• How is alveolar ventilation calculated?
• ACE converts which of the following?
• ACE II counteracts the negative consequences of which enzyme?
• What structures are primarily involved in the upper airway?
• If FVC is decreased compared to predicted values, what condition is most likely indicated?
• What typically occurs during the early phase of an acute asthma attack?
• What is the normal range for PaO2 in mmHg?
• What physiological change occurs when there is increased localized pain?
• What is the primary characteristic of bronchial circulation compared to pulmonary circulation?
• In obstructive lung disorders, what is commonly true about the total lung capacity (TLC)?
• What does a decreased FEV1/FVC ratio typically indicate?
• Which of the following is a common symtom of a type 1 hypersensitivity reaction?
• What is the normal range for FEV1/FVC ratio in healthy individuals?
• In the conducting zone, which of the following occurs?
• Which of the following is NOT one of the four types of atelectasis?
• Which of the following is NOT a subset of COPD?
• Which condition is characterized by an excessive level of carbon dioxide in the blood?
• What is a tension pneumothorax?
• What does PEFR stand for?
• Which of the following best describes the function of the mucociliary escalator?
• What is the function of 2,3-bisphosphoglycerate in relation to hemoglobin?
• Which type of pneumothorax is often associated with apical blebs?
• Which physiological parameter is increased when tidal volume (TV) is augmented?
• Mesothelioma is most commonly associated with exposure to which of the following?
• What is a common treatment method for pleural effusion?
• What condition is characterized by decreased surfactant and poor gas exchange in infants?
• Respiration requires which of the following?
• What is the primary role of the medulla respiratory group?
• In restrictive pulmonary disorders, how is total lung capacity (TLC) typically affected?
• After the diaphragm contracts, which direction does it move?
• What does ACE II convert angiotensin II to?
• Which structures are included as part of the lower airway?
• What is the primary cause of hypercapnia?
• Which muscles are primarily involved in inspiration?
• What is the typical resting minute ventilation (Ve)?
• How does the total air within the pulmonary system compare to total atmospheric pressure?
• Where is the visceral pleura located?
• What condition is characterized by the leakage of plasma or blood into the alveolar space?
• What is the network of structures that clean, warm, and humidify air before it reaches the lungs called?
• What commonly happens to exhalation in obstructive lung disease?
• What is the normal tidal volume (TV) for an adult?
• Which of the following describes the composition of air moving in and out of the lungs?
• What is the average respiratory rate (RR) for a resting adult?
• When central chemoreceptors sense an increase in PCO2 and hydrogen ions, what physiological response occurs?
• What is the primary function of the DRG?
• Which of the following is NOT one of the three layers of the conducting zone?
• In chronic bronchitis, how do the peak flow rates compare to predicted values?
• PaO2 values between 40-59 mmHg are indicative of which condition?
• What is the normal inspiratory reserve volume (IRV) in mL?
• What is a key finding in pulmonary function tests for obstructive disorders?
• What pulmonary function test result is typically decreased in intrapulmonary disorders?
• In a healthy individual, what is the optimal ratio being measured between ACE II and ACE?
• How does inhalation differ in patients with restrictive lung disease?
• What effect does surfactant have on surface tension in the alveoli?
• What describes anatomical dead space?
• What type of epithelial cells are primarily found in alveoli?
• What effect does a small increase in CO2 concentration in inspired air have on ventilation?
• What cellular component is not present in the respiratory zone?
• Which of the following lung disease types is associated with a decreased FEV1/FVC ratio?
• What condition is described as having too little oxygen in the blood?
• Which intervention is broadly recognized to assist patients with ARDS?
• How is oxyhemoglobin saturation in arterial blood most commonly measured?
• What characterizes transudative pleural effusion?
• What is the normal inspiratory to expiratory (I:E) ratio?
• What genetic factor can lead a non-smoker to develop emphysema?
• What is the approximate partial pressure of oxygen (PO2) at sea level?
• What is the typical VEV1 value in obstructive lung diseases compared to predicted values?
• Smoking is primarily associated with which pattern of emphysema?
• Which type of receptors regulate breathing in response to changes in hypoxemia?
• How is most carbon dioxide in systemic capillaries transported?
• Which pleura covers the lungs?
• What describes the physical movement of air in and out of the lungs?
• What is the PaO2 range for moderate hypoxemia?
• Where are baroreceptors primarily located in the body?
• Which respiratory condition often leads to increased work of breathing and may prompt mechanical ventilation?
• What happens to arterioles in the setting of low PO2?
• In conditions of hypercapnia, what is the expected impact on the respiratory drive?
• Which feature characterizes the right primary bronchus compared to the left primary bronchus?
• A PaO2 of 60 mmHg corresponds to an approximate SpO2 of what percentage?
• Pneumoconiosis is primarily caused by what?
• How is dead space ventilation calculated?
• What chronic adaptation occurs in response to prolonged hypoxia?
• Which lung capacity includes residual volume?
• What happens to alveolar ventilation if dead space ventilation increases significantly?
• What characterizes a secondary spontaneous pneumothorax?
• What is the reported mortality rate of ARDS?
• What is the normal volume of a resting tidal volume (RV)?
• A barrel chest is commonly associated with which respiratory condition?
• Which condition is likely indicated by a high diffusing capacity of the lung (DLCO)?
• Why is the attack of COVID-19 on ACE II detrimental to health?
• What is transudate best described as?
• Particles larger than 10 micrometers are primarily trapped by which anatomical structure?
• What severe effects can occur with a large increase in CO2 concentration in inspired air?
• Which concept are central chemoreceptors primarily sensitive to?
• What is the baseline intrapleural pressure?
• What are the components of the alveolocapillary membrane?
• What happens to intrapleural pressure during inspiration?
• Which type of hypersensitivity reaction is commonly associated with asthma?
• What condition is characterized by a low oxygen saturation level?
• After accounting for all subtractions in the respiratory system, what is the approximate PO2 at the alveoli?
• What is a common response when the lungs are overinflated?
• What structure serves as a connection point between the trachea and primary bronchi?
• The primary muscle involved in normal quiet breathing is?
• How does the presence of CO2 in tissues affect hemoglobin's affinity for oxygen?
• Which type of cells are involved in the repair and regeneration of lung epithelium?
• Which PFT finding is typically normal in patients with asthma?
• Which of the following conditions would cause a "right shift" of the oxygen-hemoglobin dissociation curve?
• What type of pattern is observed in the PFT findings for bronchiectasis?
• What is the Bohr effect in the lungs primarily responsible for?
• What is the primary trigger for the cough reflex?
• Particles smaller than 2 micrometers can lead to what consequence if not effectively removed?
• The acinus is composed of which of the following structures?
• What critical role do central chemoreceptors play in respiratory responses?
• What is the primary role of the VRG in respiration?
• Which range of SaO2 corresponds to severe hypoxemia?
• What should the normal oxygen saturation level (SaO2) be in arterial blood?
• What type of neurons are primarily found in the DRG?
• What is another term for vocalization?
• Cor pulmonale can lead to which of the following?
• Which gas concentration is primarily monitored by peripheral chemoreceptors?
• What occurs when the parietal pleura is irritated?
• What is the function of expectorants?
• What type of breathing pattern is generally observed with stimulated J-receptors?
• What effect does obesity have on DLCO?
• What does the pneumotaxic center do?
• What type of receptors are located in the carina?
• What does a low diffusing capacity of the lung (DLCO) indicate?
• What is the primary function of the Hering-Bruer inflation reflex?
• What type of puncture produces a "sucking sound" during respiration?
• What is the typical DLCO result in chronic bronchitis?
• Which part of the lower airway is defined as the area from the trachea to terminal bronchioles?
• What is a consequence of insufficient surfactant production?
• Which part of the brainstem contains the medulla respiratory group?
• Which primary bronchus is larger in diameter?
• The VRG is known to contain which types of neurons?
• Which of the following can lead to hypoventilation?
• What does the external intercostal muscle assist with?
• What effect does a decrease in CO2 have on respiratory rate?
• Adhesive atelectasis is primarily caused by what factor?
• What type of receptors are J-receptors and where are they located?
• What is the Reid index used to measure?
• Which of the following best describes the term 'total lung volume' (TLV) in restrictive lung disease?
• How do peripheral chemoreceptors affect ventilation in comparison to central chemoreceptors?
• What SpO2 percentage is typically considered the threshold for abnormal values?
• What is a common result of prolonged airway obstruction in asthma?
• Which medication increases volume and reduces the viscosity of submucosal secretions?
• What type of receptors are responsible for the cough and sneeze reflexes?
• What primarily transports oxygen in the bloodstream?
• What does a normal FEV1/FVC ratio indicate regarding lung function?
• What component does alpha-1 antitrypsin inhibit?
• Which condition is an example of a chronic inflammatory disease affecting the lungs?
• During a clinical examination, which aspect of ventilation is typically emphasized?
• Which type of circulation delivers oxygen and nutrients to lung structures?
• Which enzyme is noted for its ability to lower blood pressure and provide anti-inflammatory effects?
• What do goblet cells produce?
• What is alveolar ventilation?
• Which of the following is one way to increase minute ventilation?
• What is one of the sensations caused by J-receptors when stimulated?
• Which pH level change is generally caused by acidosis?
• Which adaptation occurs in response to prolonged low PO2 at high altitudes?
• What is the key function of the DLCO test in pulmonary assessment?
• What is the normal range for forced vital capacity (FVC)?
• When is hypoxic vasoconstriction primarily triggered?
• What enzyme is known to increase blood pressure in the RAAS and promote inflammation/fibrosis?
• Which of the following best describes the role of mast cell mediators during the early phase of an asthma attack?
• What is the normal range for PaCO2 in mmHg?
• In tension pneumothorax, what structural shift occurs within the thoracic cavity?
• A patient presents with a DLCO below the normal range. What might this suggest?
• COPD is classified as which of the following?
• Which type of emphysema is commonly associated with alpha-1 antitrypsin deficiency?
• What is the effect of increased residual volume (RV) in patients with emphysema?
• In patients with chronic bronchitis, what is the FEV1/FVC ratio typically?
• What respiratory response is stimulated by a small increase in CO2 concentration?
• What is pleural effusion?
• What area of the lungs does centrilobar emphysema typically affect?
• What occurs in a closed pneumothorax?
• What effect does high O2 have on hemoglobin in the lungs?
• What impact does hypoxic vasoconstriction have on blood flow?
• What does hypercapnia refer to in terms of blood chemistry?
• Which two groups comprise the medulla respiratory group?
• In emphysema, which protein imbalance contributes to lung tissue damage?
• What does a shift to the right in the oxyhemoglobin dissociation curve signify?
• What does increased bicarbonate in the blood typically indicate?
• What is the pressure range generally associated with pulmonary circulation?
• The lower airway divides into what two functional zones?
• In chronic inflammation of the lungs, elastase levels exceed which protein's ability to protect?
• Why can total lung capacity (TLC) not be measured by spirometry?
• At what level of PO2 do peripheral chemoreceptors respond to initiate a reaction?
• What is the primary function of the respiratory bronchioles?
• What is a primary consequence of emphysema?
• What physiological response does the body have to elevated carbon dioxide levels?
• What is a common medication that may depress the respiratory drive and contribute to hypoventilation?
• What common trigger is associated with exercise-induced asthma?
• Which value represents an increase in airway resistance and is measured during a forced expiratory effort?
• What is the most common cause of pulmonary edema?
• What characterizes Asthma-COPD overlap syndrome?
• The larynx divides the airways into which two categories?
• What term describes insufficient oxygen available to tissues for metabolism?
• What is one primary function of surfactant in the lungs?
• The Pons respiratory group can be divided into how many sections?
• Cor pulmonale refers to which condition in the heart?
• What role do peripheral chemoreceptors play in the body?
• What is the main effect of ACE II in relation to blood pressure?
• How many segmental (surgical) lobes are there in the lungs?
• In which conditions is apnuesis typically observed?
• Which pulmonary measurement is typically not routinely tested in chronic bronchitis?
• What is the primary function of the parietal pleura?
• What condition is characterized by the formation of scar tissue in the connective tissue of the lungs?
• Which of the following is a common method of filtering bacteria and particles in the respiratory system?