Which of the following muscles contract(s) during quiet expiration
A: Diaphragm
B: Internal intercostals
C: External intercostals
D: None of the above
E: All of the above
A: Diaphragm
B: Internal intercostals
C: External intercostals
D: None of the above
E: All of the above
举一反三
- In order to inhale, the size of the thoracic cavity has to increase in order to decrease the internal pressure (compared to atmospheric pressure). In order to accomplish this task, which of the following must occur? A: the diaphragm muscle relaxes and the external intercostals contract B: the diaphragm muscle contracts and the external intercostals relax C: the diaphragm muscle and external intercostals contract D: the diaphragm muscle and external intercostals relax
- When the diaphragm and external intercostals muscles contract, which<br/>of the following actions does NOT occur ____? A: Air moves into the lung B: The intrapleural pressure increases C: The diaphragm moves inferiorly D: The intrapulmonary pressure decreases
- In sand casting, the use of a Core in the Mold Cavity provides（ ） A: external features B: internal features C: internal external features D: none of the above
- Which of the following cannot be used as a material for<br/>gluconeogenesis() A: Acetyl CoA B: Pyruvate C: Glycerin D: All of the above E: None of the above
- Casting can create complex part geometries with （ ） A: external and internal shapes B: only internal shapes C: only external shapes D: none of the above