In the human, this germ cell layer gives rise to many of the organ systems, including the skeleton, skeletal muscles, walls of GI organs, urinary system, and circulatory system
A) endoderm B) mesoderm C) ectoderm
Answer: B
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Which of the choices below is a function of the loop of Henle?
A) form a large volume of very concentrated urine or a small volume of very dilute urine B) form a large volume of very dilute urine or a small volume of very concentrated urine C) absorb electrolytes actively with an automatic absorption of water by osmosis D) none of these
List the four types of autorhythmic cells that drive the heartbeat. Draw a sketch of the heart and indicate the location of each type of cell.
What will be an ideal response?
Define oxyhemoglobin
A) Oxyhemoglobin is hemoglobin that has less than 4 molecules of oxygen bound. B) Oxyhemoglobin is hemoglobin that has 4 molecules of carbon dioxide bound. C) Oxyhemoglobin is hemoglobin that has less than 4 molecules of carbon dioxide bound. D) Oxyhemoglobin is hemoglobin that has 4 molecules of oxygen bound. E) Oxyhemoglobin is hemoglobin with 4 molecules of oxygen bound and 4 molecules of carbon dioxide bound.
Which of the following are good tests of the equilibrium apparatus?
A) standing and simultaneously beginning a task that requires mental concentration B) being rotated on a chair, after which the observers look for nystagmus C) walking in a straight line, one foot in front of the other D) walking in a straight line placing one foot in front of the other, standing and simultaneously beginning a task that requires mental concentration, and being rotated on a chair, after which the observers look for nystagmus