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Anatomy 2300 Final
April Exam: muscles, heart and vessels
| Question | Answer |
|---|---|
| What is atrophy? | Loss of muscle over the course of one's life |
| Of the 4 muscles of mastication, which is the only that causes protraction? | Lateral pterygoid |
| What are the 3 nerves involved in eye innervation? | Occulomotor, trochlear, abducens |
| What nerve is the "funny bone" | Ulnar nerve |
| Which nerve roots make up the brachial plexus? | C5 - T1 |
| Which cervical nerve(s) make(s) up the upper trunk of the brachial plexus? | C5 and C6 |
| Which cervical nerve(s) make(s) up the middle trunk of the brachial plexus? | C7 |
| Which cervical nerve(s) make(s) up the lower trunk of the brachial plexus? | C8 and T1 |
| What two nerves come off the posterior cord of the brachial plexus? | Axillary and radial |
| What supplies the circle of Willis? | Internal carotid and vertebral arteries |
| Does the pulmonary circuit use the left or right side of the heart? | RIGHT |
| The systemic circuit uses the left/right side of heart? | LEFT |
| Coronary sinus dumps blood in to the... | Right atrium |
| Approximate pressure of right side of heart | 15 mmHg |
| Approximate pressure of left side of heart | 90 mmHg |
| Name the 3 unpaired abdominal arteries | Celiac trunk, superior mesenteric, inferior mesenteric |
| What does the celiac trunk supply? | Stomach, liver, spleen, gallbladder, pancreas, duodenum |
| What does the superior mesenteric artery supply? | Most of the intestine (large and small) |
| What does the inferior mesenteric artery supply? | End stages of digestive tract |
| What nerve controls the thenar group? | The median nerve |
| Whar nerve controls the hypothenar group? | The ulnar nerve |
| What is included in the thenar group? | The thumb & abductors pollicis |
| What is included in the hypothenar group? | Short flexors of digiti minimi and abductors |
| What is retinaculum? | Occurs where in some places, groups of tendons from separate muscle pass under a band of connective tissue |
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