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Questions and Answers
What can be a consequence of hyperventilation?
What can be a consequence of hyperventilation?
- Decrease in hemoglobin saturation
- Increased oxygen demand
- Dehydration
- Alkaline pH in the blood (correct)
What happens to hemoglobin saturation at 19,000 feet altitude compared to sea level?
What happens to hemoglobin saturation at 19,000 feet altitude compared to sea level?
- It is about 98% at 19,000 feet and about 67% at sea level
- It is about 67% at 19,000 feet and about 98% at sea level (correct)
- It remains constant at both altitudes
- It drops to 25% at 19,000 feet and remains the same at sea level
Why does exercise pose a problem at higher altitudes?
Why does exercise pose a problem at higher altitudes?
- Increased lung capacity
- Low oxygen reserve in the veins (correct)
- High hydration levels
- Excessive oxygen in the blood
Which altitude is associated with Acute Mountain Sickness (AMS)?
Which altitude is associated with Acute Mountain Sickness (AMS)?
How is Acute Mountain Sickness (AMS) treated?
How is Acute Mountain Sickness (AMS) treated?
What is the purpose of fetal breathing movements during pregnancy?
What is the purpose of fetal breathing movements during pregnancy?
Where does the majority of gas exchange occur in the respiratory system?
Where does the majority of gas exchange occur in the respiratory system?
Which structure in the nose disrupts air flow to clean and warm incoming air?
Which structure in the nose disrupts air flow to clean and warm incoming air?
What is the purpose of the Eustachian tubes connecting to the nasal cavity?
What is the purpose of the Eustachian tubes connecting to the nasal cavity?
What is the role of defensins in the respiratory system?
What is the role of defensins in the respiratory system?
Which part of the respiratory system is responsible for regulating the volume of air entering the lungs?
Which part of the respiratory system is responsible for regulating the volume of air entering the lungs?
What is the function of the epiglottis during swallowing?
What is the function of the epiglottis during swallowing?
What prevents the alveoli from collapsing?
What prevents the alveoli from collapsing?
Where does gas exchange take place in the lungs?
Where does gas exchange take place in the lungs?
Which lung has a spot for the heart called the cardiac notch?
Which lung has a spot for the heart called the cardiac notch?
What causes bronchoconstriction and bronchodilation in the respiratory system?
What causes bronchoconstriction and bronchodilation in the respiratory system?
Which of the following represents the anatomical dead space in the respiratory system?
Which of the following represents the anatomical dead space in the respiratory system?
What is known as a respiratory cycle involving one inhalation and one exhalation?
What is known as a respiratory cycle involving one inhalation and one exhalation?
Which area of the respiratory system does gas regulation and coughing occur automatically?
Which area of the respiratory system does gas regulation and coughing occur automatically?
What influences ventilation due to the size of the lungs and the size of the tube air moves through?
What influences ventilation due to the size of the lungs and the size of the tube air moves through?
Which describes the total air that can be moved in and out of the lungs?
Which describes the total air that can be moved in and out of the lungs?
What is the main function of alveolar macrophages in the respiratory system?
What is the main function of alveolar macrophages in the respiratory system?
What is the function of the apneustic center in the pons?
What is the function of the apneustic center in the pons?
What causes an increase in breathing to remove toxic carbon dioxide?
What causes an increase in breathing to remove toxic carbon dioxide?
Which gas causes bronchodilation when present at a high pressure in the alveoli?
Which gas causes bronchodilation when present at a high pressure in the alveoli?
What is the percentage range of normal oxygen saturation levels as measured by a pulse oximeter?
What is the percentage range of normal oxygen saturation levels as measured by a pulse oximeter?
What influences oxygen to dissociate from hemoglobin?
What influences oxygen to dissociate from hemoglobin?
Which tissue receives less oxygen due to having a lower pressure difference?
Which tissue receives less oxygen due to having a lower pressure difference?
During which respiratory process does oxygen leave the blood?
During which respiratory process does oxygen leave the blood?
What is the primary molecule through which oxygen travels in the blood?
What is the primary molecule through which oxygen travels in the blood?
Hyperpnea refers to an increase in rate and depth of ventilation to meet demands for which substance?
Hyperpnea refers to an increase in rate and depth of ventilation to meet demands for which substance?
Henry's Law states that the greater the solubility and partial pressure of a gas, what results?
Henry's Law states that the greater the solubility and partial pressure of a gas, what results?
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