Respiratory System Development Quiz

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What is the primary function of the upper airway?

Gas exchange through the alveolar-capillary membrane

Speech and smell

Filtering air from foreign materials

Conduction of air, humidification, and warming of inspired air (correct)

At what stage does the respiratory system develop as a fluid-filled structure playing no role in gas exchange?

24 to 26 weeks of gestation

Fetal stage (correct)

At birth

2 to 3 years after birth

What is the approximate number of alveoli in a full-term newborn?

~ 100 million

~ 470 million

~ 50 million (correct)

~ 200 million

What separates the nasal cavity into two chambers?

Nasal septum Signup and view all the answers

At what age does a child have approximately 470 million mature alveoli?

8-10 years old Signup and view all the answers

At what stage of gestation is a fetus generally capable of sufficient gas exchange, if born?

24 to 26 weeks Signup and view all the answers

What is the approximate number of alveoli in a child at 8-10 years old?

470 million Signup and view all the answers

Which structure is the primary site for the sense of smell in the upper airway?

Nose Signup and view all the answers

What separates the nasal cavity into two chambers?

Nasal septum Signup and view all the answers

What is the primary function of the upper airway?

Conduction of air Signup and view all the answers

Which muscle group is primarily responsible for flexing the neck and elevating the first and second ribs?

Sternocleidomastoid Signup and view all the answers

What are the primary functions of the trapezius muscles?

Rotate the scapula, raise shoulders, abduct arms Signup and view all the answers

Which muscle group is NOT part of the accessory muscles of expiration?

Internal Intercostal Muscles Signup and view all the answers

What is the primary function of the pectoralis major muscles?

Adduction of upper extremities Signup and view all the answers

Which muscle group is responsible for pulling the ribs upward and outward to increase AP and lateral diameters?

External Intercostal Muscles Signup and view all the answers

Respiratory System Development Quiz

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Questions and Answers

What is the primary function of the upper airway?

At what stage does the respiratory system develop as a fluid-filled structure playing no role in gas exchange?

What is the approximate number of alveoli in a full-term newborn?

What separates the nasal cavity into two chambers?

At what age does a child have approximately 470 million mature alveoli?

At what stage of gestation is a fetus generally capable of sufficient gas exchange, if born?

What is the approximate number of alveoli in a child at 8-10 years old?

Which structure is the primary site for the sense of smell in the upper airway?

What separates the nasal cavity into two chambers?

What is the primary function of the upper airway?

Which muscle group is primarily responsible for flexing the neck and elevating the first and second ribs?

What are the primary functions of the trapezius muscles?

Which muscle group is NOT part of the accessory muscles of expiration?

What is the primary function of the pectoralis major muscles?

Which muscle group is responsible for pulling the ribs upward and outward to increase AP and lateral diameters?

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Respiratory System Development Quiz

Podcast Beta

Questions and Answers

What is the primary function of the upper airway?

At what stage does the respiratory system develop as a fluid-filled structure playing no role in gas exchange?

What is the approximate number of alveoli in a full-term newborn?

What separates the nasal cavity into two chambers?

At what age does a child have approximately 470 million mature alveoli?

At what stage of gestation is a fetus generally capable of sufficient gas exchange, if born?

What is the approximate number of alveoli in a child at 8-10 years old?

Which structure is the primary site for the sense of smell in the upper airway?

What separates the nasal cavity into two chambers?

What is the primary function of the upper airway?

Which muscle group is primarily responsible for flexing the neck and elevating the first and second ribs?

What are the primary functions of the trapezius muscles?

Which muscle group is NOT part of the accessory muscles of expiration?

What is the primary function of the pectoralis major muscles?

Which muscle group is responsible for pulling the ribs upward and outward to increase AP and lateral diameters?

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