Astronauts Who Spend Significant Time at Zero Gravity Often Become

Multiple Choice

Astronauts who spend significant time at zero gravity often become somewhat anemic upon return to Earth. One way to compensate for the process that leads to this anemia might be to supply the astronauts with ________ during the mission in space.

A) a diet higher in protein and iron
B) a diuretic, which will cause them to excrete more fluid
C) a growth factor that leads to increased red blood cell production
D) higher levels of oxygen in the shuttle atmosphere
E) more opportunities to rest or sleep