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Anatomy & Physiology
Lecture 5 & 6 Slides • Chapter 2 Book Questions • Anaquest 2-5 & 2-9
| Question | Answer |
|---|---|
| How many cervical vertebrae are there? | 7 |
| How many lumbar vertebrae are there? | 5 |
| How many thoracic vertebrae are there? | 12 |
| How many false ribs are on each side? | 3 |
| How many true ribs are on each side? | 7 |
| How many ribs are attached only to the manubrium sterni? | 1 |
| How many pairs of floating ribs are there? | 2 |
| The lining attached to the lungs is called the ___. | Visceral Pleurae |
| The lining attached to the rib cage, diaphragm, and middle space is the ___. | Parietal Pleurae |
| The part of the parietal pleurae attached to the diaphragm is the ___. | Diaphragmatic Pleurae |
| The portion of the parietal pleurae attached to the inner surface of the rib cage is the ___. | Costal Pleurae |
| When the rib cage expands and the parietal pleurae move out, the visceral pleurae will ___. | Move Out |
| When the diaphragm pulls down, the lungs will ___. | Expand |
| When the rib cage expands, the ___ expand. | Lungs |
| The diaphragm is bowl-shaped. Does it bulge up or down? | Up |
| The diaphragm attaches along the lower margin of ribs 7 through 12 to make up the ___ attachment. | Costal |
| Contraction of the diaphragm increases the ___ dimension of the thorax. | Vertical |
| The ___ is the front-most attachment of the diaphragm. | Sternal |
| When the diaphragm contracts, it pulls the central tendon ___. | Down |
| The diaphragm completely separates the thorax from the ___. | Abdomen |
| The ___ attachment consists of a left and right crus arising from lumbar vertebrae. | Verterbral |
| Which muscle group is found near the vertebral column but not near the sternum? | External Intercostals |
| Which muscle group is found near the sternum but not near the vertebral column? | Internal Intercostals |
| When the external intercostals contract, the rib cage ___ | Elevates |
| The external and internal intercostal muscles are innervated by the ___. | Intercostal Nerves |
| There are twelve pairs of the ___. | Levator Costarum Brevis |
| The ___ are only found in the lower posterior thorax. | Levator Costarum Longis |
| The ___ are only found in the upper posterior thorax. | Serratus Posterior Superior |
| The levator costarum and serratus posterior superior are innervated by the ___. | Intercostal Nerves |
| This muscle attaches only to the lower 4 ribs. | Levator Costarum Longis |
| This muscle elevates only ribs 2 through 5. | Serratus Posterior Superior |
| Which muscle attaches to all ribs and elevates them? | Levator Costarum Brevis |
| ___ is defined as force distributed over area. | Pressure |
| ___ pressure causes air to enter a chamber that has expanded until the pressure is equalized | Negative |
| How many cervical vertebrae are there? | 7 |
| How many thoracic vertebrae are there? | 12 |
| How many lumbar vertebrae are there? | 5 |
| How many sacral vertebrae (fused) are there? | 5 |
| The ___ passes through the vertebral foramen. | Spinal Cord |
| Contraction of the diaphragm increases the ___ dimensions of the thorax | Vertical |
| Contraction of the accessory muscles of inspiration increases the ___. | Transverse |
| Contraction of the muscles of expiration ___ the volume of the thorax. | Decreases |
| What is is it called when emphysema breaks down the alveolar wall, resulting in enlargement of alveolar clusters and consequent enlargement of the thorax? | Barrel Chest |
| The result of barrel chest is that the ___ is pulled ___ at ___. | The result of barrel chest is that the diaphragm is pulled down at rest. |
Created by:
Cochisey