Which set of muscles of wrestling champions have a very high demand for glucose and fats for fuel energy?
A) Wrestler's leg muscles
B) Wrestler's chest muscles
C) Wrestler's shoulder muscles
D) Wrestler's back muscles
A
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The triceps brachii and the biceps brachii ________
A) Both have their insertions in the shoulder B) Both have their origin in the forearm C) Are antagonist to each other D) Are synergistic for each other
Which of the following is false concerning melatonin?
A) Exposure to light inhibits production. B) Exposure to light stimulates production. C) It inhibits releases of GnRH. D) It is produced by pinealocytes. E) It is made from serotonin.
What is the function of the ductus venosus?
A. It is a shunt between the right and left atria that bypasses the fetal lungs. B. It is a shunt that flows between the umbilical vein and inferior vena cava and bypasses the liver. C. It is a shunt between the umbilical vein and aorta that rapidly passes maternal blood to the fetus. D. It is a shunt between the pulmonary trunk and the aorta that bypasses the fetal lungs. E. It is a shunt between the superior vena cava and aorta that rapidly passes maternal blood to the fetus.
The U-shaped segment of the nephron is the
A) nephron loop. B) proximal convoluted tubule. C) distal convoluted tubule. D) collecting loop. E) minor calyx.