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The Respiratory System and Gas Exchange Quiz

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The Respiratory System and Gas Exchange Quiz

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Questions and Answers

Which structure is responsible for gas exchange in the lungs?

Diaphragm

Trachea

Bronchi

Alveoli (correct)

What causes a left-shifted oxyhemoglobin dissociation curve?

Increased H+ concentration

Decreased pH

Decreased temperature (correct)

Increased O2 unloading

Which nervous system is responsible for bronchodilation during inspiration?

Peripheral nervous system

Parasympathetic nervous system

Central nervous system

Sympathetic nervous system (correct)

Why should asthmatics not be given beta blockers?

<p>They cause bronchoconstriction (C)</p> Signup and view all the answers

What happens to the smooth muscle during exhalation?

<p>It contracts (B)</p> Signup and view all the answers