On sectional images, the ____________________ kidney is generally seen at a higher level than the other one.
Fill in the blank(s) with the appropriate word(s).
left
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In a gross anatomy and physiology lab, an instructor wants to highlight blood flow to the intestinal tract. Into which artery do they need to pump colored ink to demonstrate blood flow to this area?
A. Lumbar artery B. Phrenic arteries C. Superior mesenteric artery D. Middle sacral artery
The signals that control your handwriting travel down the spinal cord in which tracts?
A. Tectospinal B. Corticospinal C. Spinocerebellar D. Fasciculus E. Vestibulospinal
Myasthenia gravis results from the destruction of acetylcholine receptors at the neuromuscular junction, but treatment involves medications that reduce acetylcholinesterase activity. Which statement best explains the effectiveness of these medications?
A. The antibodies destroy some but not all of the acetylcholine receptors, so reducing acetylcholinesterase activity increases the likelihood that acetylcholine will bind to the remaining receptors. B. The antibodies that destroy the acetylcholine receptors are less likely to work if acetylcholinesterase is present. C. Acetylcholinesterase is the substance that destroys the receptors as well, so reducing its activity increases the number of acetylcholine receptors. D. Acetylcholinesterase breaks down the acetylcholine to a substance that can bind to the damaged receptors.
Which of the following is the type of muscle found in the heart?
A) smooth muscle B) appendicular muscle C) skeletal muscle D) cardiac muscle E) None of the answers are correct.