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Respiratory System Organization and Structure

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Respiratory System Organization and Structure

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Questions and Answers

Which part of the respiratory tract contains the alveoli?

Lower respiratory tract

Conducting zone

Upper respiratory tract

Respiratory zone (correct)

What is the primary function of Type II Alveolar Cells?

Removal of dust particles

Regulation of blood pressure

Gas exchange

Secretion of surfactant (correct)

What happens to the intrapleural pressure when the thoracic wall expands outward?

It becomes equal to intrapulmonary pressure

It increases

It decreases (correct)

It remains the same

What law relates the volume of a container to the gas pressure inside the container?

Boyle's Law Signup and view all the answers

What is the term for the movement of air into the lungs during pulmonary ventilation?

Inhalation Signup and view all the answers

What is the term for the space between the visceral and parietal pleura?

Intrapleural space Signup and view all the answers

What is the primary reason oxygen is transported via hemoglobin in the blood?

Due to its low solubility coefficient Signup and view all the answers

Which of the following is monitored by chemoreceptors in the cerebral spinal fluid?

pH levels Signup and view all the answers

What is the result of an increase in blood PCO₂ levels on breathing?

An increase in breathing rate Signup and view all the answers

What is the term for the drive to breathe that is stimulated by changes in blood PO₂ levels, rather than PCO₂ levels?

Hypoxic drive Signup and view all the answers

What is the anatomical feature of the kidney that filters the blood and forms urine?

Glomerulus Signup and view all the answers

Which hormone increases blood calcium levels?

Parathyroid hormone Signup and view all the answers