Which angular direction is conventionally regarded as positive?
A. clockwise
B. counterclockwise
C. flexion
D. extension
B. counterclockwise
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The descending limb of the loop of Henle ________.
A) is not permeable to water B) is freely permeable to sodium and urea C) pulls water by osmosis into the lumen of the tubule D) contains fluid that becomes more concentrated as it moves down into the medulla
During resting conditions, ________ is synthesized to store energy.
A. Ca2+ B. creatinine C. pyruvate D. creatine phosphate E. lactate
The time span over which sexual intercourse is most likely to result in conception is from ________ day(s) before ovulation to ________ day(s) after ovulation.
A. 1; 1 B. 5; 1 C. 2; 4 D. 1; 5 E. 0; 3
Inertia is directly proportional to which quantity(s)?
A. mass B. force C. acceleration D. all of the above