Which germ layer is the epidermis derived from?
A. ectoderm
B. mesoderm
C. endoderm
A
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Boyle's law of gases states that
A) the pressure and volume of a gas are equal. B) as the temperature goes up, the pressure goes up. C) the total gas pressure is equal to the sum of the partial pressures. D) the concentration of dissolved gas is proportional to its partial pressure. E) if the volume goes up, the pressure goes down.
The rate of oxygen diffusion across the respiratory membrane depends upon all of the following except:
A. the thickness of the respiratory membrane. B. partial pressure of oxygen in the alveoli. C. partial pressure of oxygen in the blood. D. partial pressure of carbon dioxide in the blood.
The term "retroperitoneal" may be used to describe the location of certain abdominal organs. This means that such organs are located
A. deep to the visceral peritoneum. B. between the visceral and parietal layers of the peritoneum. C. between folds of the parietal peritoneum. D. in the peritoneal cavity. E. posterior to the parietal peritoneum.
The accumulation of reabsorbed fluid on the basal side of the epithelial cells creates a high tissue fluid pressure that drives water ___________________ the peritubular capillaries.
a) out of b) through c) into