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What is atrophy?
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Of the 4 muscles of mastication, which is the only that causes protraction?
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Anatomy 2300 Final

April Exam: muscles, heart and vessels

QuestionAnswer
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
Created by: 599635155
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