Which organ senses low oxygen content and releases chemicals that stimulate RBC production?
a. lungs
b. kidney
c. bone marrow
d. heart
e. liver
b
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Use of anabolic steroids can result in:
a. increased lean body mass. b. decreased lean body mass. c. increased glycogen stores. d. decreased glycogen stores.
An essential nutrient is one that ____
a. must be made in large quantities by the body b. can only by synthesized by the body c. cannot be made in sufficient quantities by the body d. is used to synthesize other compounds in the body e. must be both consumed and synthesized to be complete
Caffeine is a mild stimulant consumed by many athletes to _____ during exercise
a. increase oxygen delivery to cells and avoid injury b. decrease fatigue and build muscle c. increase alertness and avoid injury d. increase oxygen delivery to cells and decrease fatigue e. decrease fatigue and increase alertness
Immediately after a meal, newly digested and absorbed dietary carbohydrate in the form of glucose enters
a. the lymph and goes to the thoracic duct b. the portal vein and goes first to the liver c. the main artery system and goes to muscle d. the Krebs cycle