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9 Questions

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Breathing Essentials

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Questions and Answers

What happens when irritants are detected in the respiratory tract?

Protective reflexes such as coughing and sneezing are activated (correct)

The medulla oblongata is activated to initiate inspiration

The pyramidal tracts cross from one side to the other

The respiratory centre stimulates the diaphragm and intercostal muscles

What is the function of the pyramidal tracts?

To initiate inspiration

To control the rate and depth of respiration

To control voluntary movement of skeletal muscles (correct)

To activate protective reflexes

What is the reticular formation?

A pathway that conducts nerve impulses to the spinal cord

A group of sensory organs

A collection of neurons in the brain stem (correct)

A part of the cerebral cortex

What is the function of the reticular activating system (RAS)?

To bring about increased stimulation of the cerebral cortex Signup and view all the answers

Which area in the brainstem controls the rate and depth of respiration?

Respiratory centre Signup and view all the answers

Which part of the brain is responsible for sensory nerves crossing from one side to the other?

Medulla Signup and view all the answers

What is an example of selective awareness mediated by the RAS?

A sleeping mother being awakened by the slightest noise made by a sick child Signup and view all the answers

Where is the cerebellum located in the brain?

Behind the pons Signup and view all the answers

What is the surface of the cerebellum made up of?

Grey matter Signup and view all the answers

Breathing Essentials

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Podcast

Questions and Answers

What happens when irritants are detected in the respiratory tract?

What is the function of the pyramidal tracts?

What is the reticular formation?

What is the function of the reticular activating system (RAS)?

Which area in the brainstem controls the rate and depth of respiration?

Which part of the brain is responsible for sensory nerves crossing from one side to the other?

What is an example of selective awareness mediated by the RAS?

Where is the cerebellum located in the brain?

What is the surface of the cerebellum made up of?

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