Podcast
Questions and Answers
What is the primary responsibility of the Medullary Respiratory Center?
What is the primary responsibility of the Medullary Respiratory Center?
- Initiation of inspiration
- Regulation of respiratory rate (correct)
- Control of lung stretch receptors
- Stimulation of the apneustic center
Which center is responsible for limiting the size of tidal volume and regulating respiratory rate?
Which center is responsible for limiting the size of tidal volume and regulating respiratory rate?
- Cerebral Cortex
- Pneumotaxic Center (correct)
- Apneustic Center
- Expiratory Center
What abnormal breathing pattern is produced by stimulation of the apneustic center in the lower pons?
What abnormal breathing pattern is produced by stimulation of the apneustic center in the lower pons?
- Control of lung stretch receptors
- Prolonged inspiratory gasps followed by brief expiratory movement (correct)
- Hypoventilation
- Hyperventilation
What is the self-limiting consequence of hyperventilation?
What is the self-limiting consequence of hyperventilation?
What controls the basic rhythm for breathing by setting the frequency of inspiration?
What controls the basic rhythm for breathing by setting the frequency of inspiration?
Where is the medullary respiratory center located?
Where is the medullary respiratory center located?
Which type of receptors are involved in the control of breathing and are found in the lung, joints, and muscles for exercise?
Which type of receptors are involved in the control of breathing and are found in the lung, joints, and muscles for exercise?
Which group of neurons is responsible for stimulating the diaphragm via the phrenic nerve?
Which group of neurons is responsible for stimulating the diaphragm via the phrenic nerve?
What receives sensory input from peripheral chemoreceptors via cranial nerve IX and vagus nerve?
What receives sensory input from peripheral chemoreceptors via cranial nerve IX and vagus nerve?
Where does the pattern of activity in the phrenic nerve originate from?
Where does the pattern of activity in the phrenic nerve originate from?
