Which of the following does not contribute to water conservation?
A. The countercurrent multiplier
B. The collecting duct
C. The length of the nephrons
D. The countercurrent exchange system
E. Diuretics
Answer: E
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Which of the following accurately describes the radius of gyration of the forearm segment?
A. It is greater with respect to the wrist than with respect to the elbow. B. It is greater with respect to the elbow than with respect to the wrist. C. It is equal with respect to the wrist and with respect to the elbow. D. need more information
Vitamins directly provide energy
Indicate whether the statement is true or false
On what bone is the internal acoustic meatus found?
A) Occipital B) Temporal C) Sphenoid D) Palatie
Sexual differentiation of the embryo is normally determined by:
A. the number of chromosomes, with males having 22 pairs and females having an extra pair of XX chromosomes. B. the presence of two X chromosomes, which causes the primordial testes to degrade. C. the presence of one Y chromosome, which causes the primordial ovaries to degrade. D. the presence of the Y chromosome, which directs the undifferentiated gonads to develop into testes (when there is one X chromosome present as well). E. hormones produced by the placenta.