18b) Questions - Dangers in Deep Space Travel

Which of the following is a major source of radiation that poses a danger to astronauts during deep space travel?

• Solar flares

• Earth's magnetic field

• Ocean tides

• Wind currents

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Which organ system is most affected by prolonged exposure to microgravity?

• Skeletal system

• Digestive system

• Integumentary system

• Endocrine system

Given the absence of Earth's gravity, which exercise method is most effective for astronauts to maintain muscle mass during long missions?

• Resistance training

• Swimming

• Jogging

• Yoga

If an astronaut is exposed to high levels of cosmic radiation, which health issue is most likely to develop over time?

• Increased cancer risk

• Improved vision

• Enhanced immunity

• Faster healing

How might the lack of a natural day-night cycle in deep space affect astronauts?

• It can disrupt their circadian rhythms

• It increases oxygen levels

• It improves digestion

• It reduces bone loss

Which of the following is a practical solution to reduce the psychological effects of isolation during deep space missions?

• Virtual reality social interactions

• Increasing spacecraft speed

• Reducing oxygen supply

• Limiting communication with Earth

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Why is it important for spacecraft to have redundant life support systems during deep space travel?

• To ensure survival in case one system fails

• To increase spacecraft weight

• To reduce food consumption

• To make the mission shorter

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If a spacecraft's shielding is insufficient, which of the following is most likely to increase for the crew?

• Exposure to harmful radiation

• Access to fresh food

• Communication speed

• Gravity levels

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How can microgravity affect the cardiovascular system of astronauts during long-duration missions?

• It can lead to decreased heart muscle strength

• It increases blood pressure permanently

• It causes bones to become denser

• It improves lung capacity

Which of the following best explains why food preservation is a challenge during deep space travel?

• Limited storage and lack of resupply options

• Excessive sunlight in space

• High gravity in spacecraft

• Unlimited water supply

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