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Respiratory System Anatomy - Nose and Pharynx

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Respiratory System Anatomy - Nose and Pharynx

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Questions and Answers

What is the main factor that affects breathing rate?

CO2 concentration in the blood (correct)

Oxygen concentration in the blood

Blood pressure

Body temperature

What triggers an increased breathing rate during strenuous exercise?

High blood pH levels

Decreased body temperature

Increased oxygen levels in the muscles

Accumulation of lactate in the muscles (correct)

At what altitude does altitude sickness typically begin?

5000 feet high

8000 feet high (correct)

10,000 feet high

1000 feet high

What is hypernea?

An increase in rate and depth of breathing in response to various conditions Signup and view all the answers

What is the role of fetal breathing movements in embryonic development?

Unknown, but seen as a sign of robust health Signup and view all the answers

How does carbon dioxide mainly get transported in the blood?

In dissolved form in blood plasma Signup and view all the answers

What is the function of the cilia in the nose?

To push mucus and debris towards the throat Signup and view all the answers

Which structure in the respiratory system closes off the trachea during swallowing?

Epiglottis Signup and view all the answers

What is the main role of the alveoli in the respiratory system?

To exchange gases with the blood Signup and view all the answers

Which part of the lung is highly permeable to gases for efficient gas exchange?

Alveoli Signup and view all the answers

What is the function of the pulmonary ventilation process?

To move air in and out of the lungs for breathing Signup and view all the answers

Which pressure law states that pressure and volume are inversely related?

Boyle's law Signup and view all the answers

What is the role of the intrapleural air pressure in breathing?

Is always lower than intra-alveolar pressure Signup and view all the answers

Which term refers to one full sequence of inspiration and expiration?

Respiratory cycle Signup and view all the answers

What does the anatomical dead space refer to in the respiratory system?

Air that never reaches the alveoli for gas exchange Signup and view all the answers

What is the main function of the alveolar sacs in the respiratory system?

Facilitate gas exchange with highly permeable cells Signup and view all the answers