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10 Questions

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Respiratory System Anatomy

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Questions and Answers

What is the function of the ventral respiratory group?

stimulates the diaphragm

controls inspiration

controls the rate and pattern of breathing

stimulates the intercostal and abdominal muscles (correct)

What is the primary function of the pulmonary artery?

to pump blood from the lungs to the heart

to pump blood from the heart to the lungs (correct)

to remove carbon dioxide from the blood

to supply oxygen to the body's tissues

What percentage of oxygen is carried by blood in a dissolved state?

3% (correct)

10%

20%

What is the term for hemoglobin with bound oxygen?

oxyhemoglobin Signup and view all the answers

What is the normal pulmonary capillary pressure?

7 mm Hg Signup and view all the answers

How many oxygen molecules can each hemoglobin molecule combine with?

4 Signup and view all the answers

What is the state of hemoglobin when it has four oxygen molecules bound to it?

fully saturated Signup and view all the answers

What is the oxygen saturation of hemoglobin in the tissues?

75% Signup and view all the answers

How much oxygen is released from hemoglobin and transported to the tissues?

5 ml O2/100 ml blood Signup and view all the answers

What is the function of the pontine respiratory center?

controls the rate and pattern of breathing Signup and view all the answers