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Daily water intake to prevent dehydration

Remote Pilot (Part 107) practice question 4 of 20 on Operations / Physiology. ACS element UA.V.E.K1 · difficulty: recall. Want to answer it in a timed quiz? Use the Remote Pilot (Part 107) practice mode.

Question bank updated 2026-09-22

QUESTIONAccording to the Remote Pilot Study Guide, how much water should a person drink every 24 hours to help prevent dehydration?

  1. AOne to two quarts, plus caffeinated drinks
  2. BSix to eight quarts
  3. CTwo to four quarts
Show the answer and explanation

Correct answer: C. Two to four quarts

  • A — incorrect One to two quarts is below the recommended range, and caffeinated drinks are diuretics that the study guide lists as a cause of dehydration, not a remedy.
  • B — incorrect The study guide does not recommend six to eight quarts; its figure is two to four quarts per day.
  • C — correct The study guide states that to help prevent dehydration a person should drink two to four quarts of water every 24 hours, noting that this is only a guide because each person is physiologically different.

BACKGROUND

Dehydration is a critical loss of water from the body. Its causes include hot temperatures, wind, humidity, and diuretic drinks such as coffee, tea, alcohol, and caffeinated soft drinks. The first noticeable effect is fatigue, which makes top physical and mental performance difficult. The Remote Pilot Study Guide recommends drinking two to four quarts of water every 24 hours as a general guide, since individual needs vary. Flying a small unmanned aircraft (UA) for long periods in hot weather increases the rate of water loss.

STUDY TIP

Memorize the daily figure of two to four quarts and remember that it is a guide, not a fixed rule.

KEY POINTS

  • Recommended intake: two to four quarts of water every 24 hours.
  • Coffee, tea, alcohol, and caffeinated soft drinks are diuretics that promote dehydration.
  • Fatigue is the first noticeable sign of dehydration.

SOURCES

  • remote_pilot_study_guide.txt ch9 "Dehydration"
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MORE ON OPERATIONS / PHYSIOLOGY

SkyDrill is not affiliated with the FAA. This is an original practice item based on 14 CFR part 107, 14 CFR part 89, and the FAA Remote Pilot – Small UAS Study Guide (FAA-G-8082-22). Regulations and handbooks are revised; confirm details against the current edition.