Although the respiratory center automatically controls the rate and depth of breathing, its activity can be influenced by nervous input.
*
1 point
True
False
Following forced inspiration, stretch receptors in the airway walls respond to increased pressure. These receptors initiate inhibitory ________ impulses.
*
1 point
Normally adults have a breathing rate of 12 to ________ ventilations per minute.
*
1 point
16
18
20
22
The respiratory control center automatically sends out nerve signals to the ________ and the external intercostal muscles of the rib cage, causing inspiration to occur.
*
1 point
When the respiratory center stops sending nerve signals to the diaphragm and the rib cage, the muscles relax and ________ occurs.
*
1 point
inspiration
expiration
The nerve impulses that travel from the inflated lungs to the respiratory center temporarily stops the respiratory center from sending out nerve signals. In this manner, excessive stretching of the elastic tissue of the lungs is
prevented.
*
1 point
True
False
The rhythm of ventilation is controlled by a respiratory control center located in the ________ ________ of the brain.
*
1 point
We can voluntarily change our breathing pattern to accommodate activities such as speaking, singing, eating, swimming underwater, and so forth.
*
1 point
True
False