The pelvis of the kidney is:
a. the inner part of the kidney
b. the triangular divisions of the medulla
c. an expansion of the upper end of the ureter
d. the outer part of the kidney
c. an expansion of the upper end of the ureter
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The pelvic inlet is also known as the superior pelvic aperture
Indicate whether this statement is true or false.
Which of the following is not a function of the respiratory system?
A. Assists in the synthesis of vasodilators B. Aids in defecation C. Helps regulate blood pressure D. Control of pH E. Promotes the flow of lymph and venous blood
Which type of synapse is most common in the nervous system?
A) chemical B) electrical C) mechanical D) processing E) radiative
Gas exchange at the respiratory membrane is efficient because
A. the difference in partial pressures is substantial. B. the distances involved in exchange are small. C. the total surface area of the membrane is large. D. blood flow and air flow are coordinated (blood flow is highest around alveoli with highest Po2). E. All of these are correct.