Which enzyme breaks down maltose?
A. Lipase
B. Lactase
C. Maltase
D. Pepsin
E. Amylase
Answer: C
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The cortex of the kidney is the:
a. inner part of the kidney b. narrow innermost end of the pyramids c. outer part of the kidney d. triangular division of the medulla
During an action potential ________.
A. K+ influx causes after-hyperpolarization B. Na+ influx causes depolarization C. Na+ efflux causes depolarization D. K+ influx causes repolarization
When pure water is consumed,
A) the ECF becomes hypertonic to the ICF. B) a fluid shift occurs and the volume of the ICF decreases. C) osmolarities of the two fluid compartments fall. D) the volume of the ECF decreases. E) the volume of the ICF decreases.
Which of the following statements describes the histology of the ureters?
A) They are trilayered (mucosa, muscularis, and adventitia). B) They are actually an extension of the visceral peritoneum. C) They are made up of several layers of endothelium. D) They are made up entirely of muscle tissue because they need to contract in order to transport urine efficiently.