The presence of which hormone in the urine provides a reliable indicator of pregnancy, as detected by home pregnancy tests?
A) human placental lactogen
B) placental prolactin
C) relaxin
D) LH
E) human chorionic gonadotrophin
Answer: E
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Why do sprint coaches stress "heel to buttocks" during sprinting?
A. reduces moment of inertia of the leg with respect to the hip B. reduces moment of inertia of the lower leg with respect to the knee C. reduces moment of inertia of the foot with respect to the ankle D. there is no scientific basis for this coaching cue
What are the two passive forms of movement across a plasma membrane?
a. diffusion down a concentration gradient and movement along an electrical gradient b. phagocytosis and movement along an electrical gradient c. diffusion down a concentration gradient and pinocytosis d. phagocytosis and osmosis e. diffusion along an electrical gradient and osmosis
What substance binds to collagen and activates platelets?
A) fibrin B) thrombin C) von Willebrand factor D) arachidonic acid E) thromboxane A2
In males, both urine and male reproductive fluids travel through the ________.
A. spermatic cord B. urethra C. ductus deferens D. epididymis E. ureter