Respiratory System Quiz

What is the main breathing regulatory mechanism?

• Chemical regulation

• Nervous regulation

• Biological regulation

• Physical regulation

Which blood gas excites central chemoreceptors?

• Carbon Dioxide

• Oxygen

• Argon

• Nitrogen

What is the main stimulus for respiration?

• Oxygen tension

• Carbon Dioxide tension

• Nitrogen tension

• Argon tension

Which area of the brain affects breathing during emotions?

• Cortical motor areas

• Limbic system

• Cerebellum

• Hypothalamus

What reflex leads to stoppage of inspiration and initiation of expiration?

• Hering Breuer inflation reflex

• Sneezing reflex

• Cough reflex

• Alam-Smirk reflex

Which reflex leads to stoppage of expiration and initiation of inspiration?

• Alam-Smirk reflex

• Hering Breuer inflation reflex

• Cough reflex

• Sneezing reflex

What reflex causes deep inspiration followed by forced expiration?

• Sneezing reflex

• Cough reflex

• Alam-Smirk reflex

• Hering Breuer inflation reflex

Which reflex causes deep inspiration followed by strong expiration?

• Hering Breuer inflation reflex

• Sneezing reflex

• Cough reflex

• Alam-Smirk reflex

What is the reflex increase of respiratory rate due to increase in venous return called?

• Stretch Reflex

• Chemoreceptor Reflex

• Baroreceptor Reflex

• Harrison's Reflex

Which receptors send excitatory impulses to the respiratory centers?

• Baroreceptors

• Stretch receptors

• Chemoreceptors

• Irritant receptors