click below
click below
Normal Size Small Size show me how
Physiology - Final
Weeks 7 - 13
| Question | Answer |
|---|---|
| During resting membrane potential , where is the highest concentration of Na+? | Outside the cell. |
| During this time period the neuron cannot fire again immediately. | Refractory period |
| Which structure is the main pathway for communication between the brain and the body? | Spinal cord |
| Name the structures of the brain stem. | Medulla oblongata, pons, midbrain |
| What ar the four major spinal plexuses? | Cervical plexus, brachial plexus, lumbar plexus, sacral plexus |
| This hormone inhibits osteoclast activity, slowing bone resorption: | Calcitonin |
| When serum levels of calcium falls this gland secretes a hormone that increases vitamin D activity. | Parathyroid gland |
| Name the three layers of the heart wall from superficial to deep. | Epicardium, myocardium, endocardium |
| This valve functions to prevent back flow from the left ventricle into the left atrium. | Mitral valve |
| Lymphocytes mature in this gland | Thymus |
| This is the measure of extra air that can be inhaled after a normal inspiration. | Inspiratory reserve volume |
| What enzyme begins carbohydrate digestion during mastication? | Salivary amylase |