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1. Of the following, which is not a physical hazard to humans on a spacecraft en route to Mars:

Exposure to galactic cosmic radiation Possibility of meteoroid impact Exposure to Martian microbial life Exposure to solar flare radiation Long-term exposure to zero-g

2. Telemedicine is:

Medicine ordered by telephone Used only in spaceflight Used to find a good doctor Medical consultation using a communications system An on-line medical dictionary

3. Zero-gravity during long duration spaceflight can affect a person's:

Muscles Bones Heart Inner ear All of the above

4. In order to combat some of the effects of microgravity in flight and 1/3 gravity on Mars (so that a person can return to Earth healthy) crew members can:

Exercise regularly Eat mostly packaged food Drink more water Exercise when they feel like it Sleep more at night

5. The Martian day is how much longer than the Earth day:

9 minutes 39 minutes 93 minutes 3 hours 9 hours

6. Which of the following is not a form of exercise that would be used during a zero-g flight to Mars:

Treadmill Cycling Free weights Stretching Resistance Exercises

7. In order to keep the crew of a Mars mission psychologically fit during the long confinement, crews should be allowed to:

Set their own tasks and schedules Have personal space Communicate regularly with Earth Have recreation time All of the above

8. When you include humans in a spacecraft journey the primary mission becomes:

Completing all the scientific objectives Keeping the spacecraft in operating condition Returning the crew home safely Maintaining computer systems Testing out new technologies