Respiration Exam 1 - Jones - Regulation of Respiration

Which of the following respiratory muscles are used for quiet inspiration (Select all that apply)

• Diaphragm

• Abdominals

• Internal intercostals

• External intercostals

Which of the following respiratory muscles are used for active expiration (Select all that apply)

• Diaphragm

• Abdominals

• Internal intercostals

• External intercostals

Which of the following respiratory muscles are used for quiet expiration

• Diaphragm

• Abdominals

• Internal intercostals

• External intercostals

• No muscles are used and instead contraction stops

Which of the following muscles are used for active inspiration (select all that apply)

• Scalenes

• Diaphragm

• Abdominals

• Sternocleidomastoids

• External intercostals

Match the following control centers of the brain with their proper descriptions

• Switches off DRG for smooth Inspiration to expiration transition

• Pneumatic center of the brain

• Controls inspiratory and expiratory neurons during active breathing

• Pre-Botzinger complex

• Controls inspiratory neurons

• DRG

• Drives the rate of DRG firing

• VRG

• regulates inspiratory neurons of VRG and DRF from turning off

• Apneustic center of the brain

What controlled center is believed to be the "pace maker" of respiration

• Pre-Botzinger complex

• DRG

• VRG

• Pneumatic center

• Apneustic center

Which of the following are apart of the medulla

• Pre-Botzinger complex

• DRG

• VRG

• Pneumatic center

• Apneustic center

Which of the following are apart of the fine tuning which occurs in the pons of the brain

• Pre-Botzinger complex

• DRG

• VRG

• Pneumatic center

• Apneustic center

Which of the following receptors is the primary method that detects increased carbon dioxide

• Peripheral

• Central

• mechanoreceptors

Select all that apply. Which of the following activate peripheral chemoreceptors

• Increased CO₂

• Low O₂

• High pH

• Low pH