Respiratory System Anatomy Quiz

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What is the main function of the conducting zone in the respiratory system?

To let air go in and out (correct)

To provide oxygen for cellular respiration

To remove carbon dioxide

To regulate the volume of air that enters the lungs

Which structure separates the right and left nostrils in the nasal cavity?

Conchae

Root

Septum (correct)

Bridge

What is the function of defensins in the respiratory system?

To regulate the acid-base balance

To fight infections (correct)

To regulate the volume of air that enters the lungs

To warm and humidify air

Where are the Eustachian tubes located in relation to the nasal cavity?

In the nasopharynx area Signup and view all the answers

What function do the vocal cords serve in the respiratory system?

To create a deeper sound Signup and view all the answers

Which structure closes the trachea while swallowing food?

Epiglottis Signup and view all the answers

What is the main cause of alkaline pH in the blood due to hyperventilation?

Increased ventilation Signup and view all the answers

At what altitude can Hemoglobin saturation drop to about 67%?

19,000 feet Signup and view all the answers

What is the main concern during exercise at higher altitudes?

Low oxygen reserve in veins Signup and view all the answers

What altitude range is associated with Acute Mountain Sickness (AMS)?

8000 ft. or higher Signup and view all the answers

How is Acute Mountain Sickness (AMS) typically treated?

Descending to a lower altitude Signup and view all the answers

What is a significant milestone in fetal development around week 20?

Start of fetal breathing movement Signup and view all the answers

What is the function of alveolar macrophages?

To clean debris and kill pathogens Signup and view all the answers

What is the purpose of the respiratory zone in the lungs?

To exchange gases Signup and view all the answers

What is the role of the tertiary bronchus in the lungs?

To supply air to specific lung segments Signup and view all the answers

What happens during bronchoconstriction in the respiratory system?

Airways constrict to reduce airflow Signup and view all the answers

Which pressure allows the lungs to remain inflated?

Transpulmonary pressure Signup and view all the answers

What is the condition known as anatomical dead space?

Air that never reaches the alveoli Signup and view all the answers

Which parameter controls the respiratory rate in humans?

Oxygen concentration Signup and view all the answers

What is the primary role of the diaphragm during breathing?

To create a pressure gradient for lung expansion Signup and view all the answers

Which term refers to the total volume of air that can be moved in and out of the lungs?

Vital capacity (VC) Signup and view all the answers

Which statement is true about tidal volume (TV)?

It's the amount of air entering the lungs during quiet breathing. Signup and view all the answers

Which group in the medulla oblongata sends signals to accessory muscles for forced inspiration and forced expiration?

Ventral respiratory group (VRG) Signup and view all the answers

What happens to the breathing rate when carbon dioxide levels in the blood increase?

Breathing rate increases Signup and view all the answers

Which chemical detected by chemoreceptors can easily cross the blood-brain barrier?

Carbon dioxide Signup and view all the answers

Which phenomenon causes a high level of oxygen in the alveoli to trigger pulmonary arterioles dilation?

Vasoconstriction Signup and view all the answers

What effect does a high pressure of carbon dioxide in the alveoli have?

Bronchodilation Signup and view all the answers

Which gas law states that the greater the solubility and partial pressure of a gas, the greater the number of molecules will dissolve in a liquid?

'Henry's Law' Signup and view all the answers

What does hyperpnea refer to?

An increase in rate and depth of ventilation Signup and view all the answers

Respiratory System Anatomy Quiz

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Questions and Answers

What is the main function of the conducting zone in the respiratory system?

Which structure separates the right and left nostrils in the nasal cavity?

What is the function of defensins in the respiratory system?

Where are the Eustachian tubes located in relation to the nasal cavity?

What function do the vocal cords serve in the respiratory system?

Which structure closes the trachea while swallowing food?

What is the main cause of alkaline pH in the blood due to hyperventilation?

At what altitude can Hemoglobin saturation drop to about 67%?

What is the main concern during exercise at higher altitudes?

What altitude range is associated with Acute Mountain Sickness (AMS)?

How is Acute Mountain Sickness (AMS) typically treated?

What is a significant milestone in fetal development around week 20?

What is the function of alveolar macrophages?

What is the purpose of the respiratory zone in the lungs?

What is the role of the tertiary bronchus in the lungs?

What happens during bronchoconstriction in the respiratory system?

Which pressure allows the lungs to remain inflated?

What is the condition known as anatomical dead space?

Which parameter controls the respiratory rate in humans?

What is the primary role of the diaphragm during breathing?

Which term refers to the total volume of air that can be moved in and out of the lungs?

Which statement is true about tidal volume (TV)?

Which group in the medulla oblongata sends signals to accessory muscles for forced inspiration and forced expiration?

What happens to the breathing rate when carbon dioxide levels in the blood increase?

Which chemical detected by chemoreceptors can easily cross the blood-brain barrier?

Which phenomenon causes a high level of oxygen in the alveoli to trigger pulmonary arterioles dilation?

What effect does a high pressure of carbon dioxide in the alveoli have?

Which gas law states that the greater the solubility and partial pressure of a gas, the greater the number of molecules will dissolve in a liquid?

What does hyperpnea refer to?

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