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Respiratory System Structure and Function

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Respiratory System Structure and Function

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Questions and Answers

At which three levels does the respiratory system operate?

nose, pharynx, and trachea

pulmonary gas exchange, tissue gas, and cellular pulmonary gas exchange (correct)

pulmonary gas exchange, tissue gas, and cellular metabolism

respiratory tract, bronchi, and alveoli

What is the function of the larynx in the respiratory system?

to regulate blood pH

to produce chemical mediators

to humidify air

to keep the airway patent (correct)

What separates the left and right bronchi?

the diaphragm

the carina (correct)

the pharynx

the trachea

What is the number of alveoli responsible for pulmonary gas exchange?

300 million (C) Signup and view all the answers

What type of tissue is the trachea composed of?

dense regular connective tissue and smooth muscle (D) Signup and view all the answers

How many lobes does the left lung contain?

two (B) Signup and view all the answers

Which of the following is NOT a primary organ of the digestive system?

liver (D) Signup and view all the answers

What is the function of the myenteric plexus?

to promote rhythmic contractions (B) Signup and view all the answers

What is the approximate length of the GI tract?

25 feet (D) Signup and view all the answers

Respiratory System Structure and Function

Choose a study mode

Podcast

Questions and Answers

At which three levels does the respiratory system operate?

What is the function of the larynx in the respiratory system?

What separates the left and right bronchi?

What is the number of alveoli responsible for pulmonary gas exchange?

What type of tissue is the trachea composed of?

How many lobes does the left lung contain?

Which of the following is NOT a primary organ of the digestive system?

What is the function of the myenteric plexus?

What is the approximate length of the GI tract?

What is the term for the nervous system that regulates the digestive system internally?

What is the primary function of the salivary glands?

Which of the following cranial nerves is involved in tasting food?

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