Cartilaginous Rings

question 19

Multiple Choice

Cartilaginous rings

• A)prevent the collapse of the trachea.
• B)surround each alveolus.
• C)are innervated by the phrenic nerve.
• D)attach the diaphragm to the thoracic wall.

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Definitions:

Ventricular Blood Pressure

The pressure of the blood in the heart's ventricles, influential during the cardiac cycle's contraction and relaxation phases.

Ventricular Contraction

The phase of the heart cycle in which the ventricles contract, pumping blood out of the heart to the lungs and the rest of the body.

Aortic And Pulmonary Valves

Parts of the heart that regulate blood flow from the heart to the aorta and the pulmonary artery, respectively.

Initiate Blood Clots

The process of starting the coagulation cascade, which leads to the formation of a blood clot to stop bleeding.