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Respiratory System Anatomy and Physiology

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Respiratory System Anatomy and Physiology

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Questions and Answers

What is the effect of the contraction of the diaphragm on the thoracic cavity dimensions?

It has no effect on the thoracic cavity dimensions

It increases the anteroposterior dimension of the thoracic cavity

It decreases the vertical dimension of the thoracic cavity

It increases the vertical dimension of the thoracic cavity (correct)

What is the primary function of the contraction of the chest muscles in the respiratory process?

To decrease the lung volume

To stabilize the ribcage

To facilitate exhalation

To increase the lung volume (correct)

What happens to the thoracic cavity when the diaphragm contracts and descends towards the abdominal cavity?

It shifts to the right side

It remains the same

It decreases in volume

It increases in volume (correct)

What is the effect of the contraction of the diaphragm on inhalation?

It facilitates inhalation Signup and view all the answers

What happens to the ribcage when the chest muscles contract?

It elevates and moves outward Signup and view all the answers

What is the result of the expansion of the ribcage during inhalation?

An increase in lung volume Signup and view all the answers

What is the primary role of the diaphragm in the respiratory process?

To facilitate inhalation Signup and view all the answers

Respiratory System Anatomy and Physiology

Choose a study mode

Podcast

Questions and Answers

What is the effect of the contraction of the diaphragm on the thoracic cavity dimensions?

What is the primary function of the contraction of the chest muscles in the respiratory process?

What happens to the thoracic cavity when the diaphragm contracts and descends towards the abdominal cavity?

What is the effect of the contraction of the diaphragm on inhalation?

What happens to the ribcage when the chest muscles contract?

What is the result of the expansion of the ribcage during inhalation?

What is the primary role of the diaphragm in the respiratory process?

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