Respiratory System Anatomy Quiz

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What is the main function of the respiratory system?

Provides oxygen for cellular respiration (correct)

Filters out pathogens from the air

Regulates the volume of air that enters the lungs

Controls the acid-base balance

Where are the vocal cords located?

Nasopharynx

Trachea

Larynx (correct)

Oropharynx

What structure closes the trachea while swallowing food?

Septum

Conchae

Eustachian tubes

Epiglottis (correct)

What is the main purpose of the conchae in the nose?

Regulate air flow Signup and view all the answers

Why does cold air slow down the cilia in the respiratory system?

To decrease the beating motion of cilia Signup and view all the answers

Which part of the respiratory system connects to the ears via the Eustachian tubes?

Nasopharynx Signup and view all the answers

What is the function of alveolar macrophages in the respiratory system?

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

Which lung has a spot for the heart called the cardiac notch?

Left lung Signup and view all the answers

What does the pulmonary artery carry to the lungs?

Deoxygenated blood Signup and view all the answers

Which pressure allows the lungs to remain inflated?

Intrapleural pressure Signup and view all the answers

Which muscle is primarily responsible for quiet breathing?

Diaphragm Signup and view all the answers

What is the term for air that never reaches the alveoli?

Anatomical dead space Signup and view all the answers

What is tidal volume (TV) a measurement of?

Amount of air entering the lungs during quiet breathing Signup and view all the answers

What is the main consequence of hyperventilation?

Increase in blood pH Signup and view all the answers

At what altitude does Acute Mountain Sickness (AMS) typically occur?

8000 ft Signup and view all the answers

What is the main method to treat Acute Mountain Sickness (AMS)?

Descend to a lower altitude Signup and view all the answers

What is the purpose of acclimatization when adjusting to higher altitudes?

To adjust to lower oxygen levels over time Signup and view all the answers

What is the significance of fetal breathing movements around week 20 of development?

Good sign of health Signup and view all the answers

Why does exercise pose a challenge at higher altitudes according to the text?

Low oxygen reserve in veins Signup and view all the answers

What is the function of the dorsal respiratory group (DRG) located in the medulla oblongata?

Sends signals to the diaphragm and intercostal muscles to contract Signup and view all the answers

What is the role of the apneustic center located in the pons?

Stimulates the DRG Signup and view all the answers

What happens in the blood when carbon dioxide levels rise?

Breathing is increased to lower pH Signup and view all the answers

What is the primary role of peripheral chemoreceptors in breathing?

Detect a decrease in oxygen and increase ventilation Signup and view all the answers

What is controlled by the limbic system concerning respiratory rate?

Adjustment due to pain, emotions, and temperature Signup and view all the answers

Which law states that gases exert pressure independently, and the sum of each gas's pressure equals total pressure?

Dalton's Law Signup and view all the answers

In which part of the body does external respiration occur?

Alveoli Signup and view all the answers

Which statement is correct about oxygen transfer from mother to fetus?

The pressure difference between mother and fetus is larger than between mother and atmosphere. Signup and view all the answers

What causes hyperpnea?

Increase in rate and depth of ventilation to meet oxygen demands. Signup and view all the answers

Respiratory System Anatomy Quiz

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Questions and Answers

What is the main function of the respiratory system?

Where are the vocal cords located?

What structure closes the trachea while swallowing food?

What is the main purpose of the conchae in the nose?

Why does cold air slow down the cilia in the respiratory system?

Which part of the respiratory system connects to the ears via the Eustachian tubes?

What is the function of alveolar macrophages in the respiratory system?

Which lung has a spot for the heart called the cardiac notch?

What does the pulmonary artery carry to the lungs?

Which pressure allows the lungs to remain inflated?

Which muscle is primarily responsible for quiet breathing?

What is the term for air that never reaches the alveoli?

What is tidal volume (TV) a measurement of?

What is the main consequence of hyperventilation?

At what altitude does Acute Mountain Sickness (AMS) typically occur?

What is the main method to treat Acute Mountain Sickness (AMS)?

What is the purpose of acclimatization when adjusting to higher altitudes?

What is the significance of fetal breathing movements around week 20 of development?

Why does exercise pose a challenge at higher altitudes according to the text?

What is the function of the dorsal respiratory group (DRG) located in the medulla oblongata?

What is the role of the apneustic center located in the pons?

What happens in the blood when carbon dioxide levels rise?

What is the primary role of peripheral chemoreceptors in breathing?

What is controlled by the limbic system concerning respiratory rate?

Which law states that gases exert pressure independently, and the sum of each gas's pressure equals total pressure?

In which part of the body does external respiration occur?

Which statement is correct about oxygen transfer from mother to fetus?

What causes hyperpnea?

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