FAA Part 107 Drone Pilot Exam
Physiological Factors Practice Questions
21 practice questions with detailed explanations — aligned to the FAA Part 107 Drone Pilot Exam.
Q1.What is the minimum time a pilot must wait after consuming alcohol before acting as a crew member?
A.8 hoursB.12 hoursC.24 hoursD.48 hoursA. 8 hoursExplanation: 14 CFR § 91.17 (referenced by 107.27) requires a minimum of 8 hours from 'bottle to throttle'.
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Q2.No person may act as a remote pilot with a blood alcohol concentration (BAC) of ____ or greater.
A.0.04 percentB.0.08 percentC.0.02 percentD.0.10 percentA. 0.04 percentExplanation: The FAA limit is 0.04%, which is stricter than the standard driving limit of 0.08%.
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Q3.Hyperventilation (rapid breathing) can lead to symptoms similar to hypoxia. The recommended remedy is:
A.Slow the breathing rate, breathe into a paper bag, or talk aloudB.Administer 100% oxygenC.Drink waterD.Hold your breath for 2 minutesA. Slow the breathing rate, breathe into a paper bag, or talk aloudExplanation: Hyperventilation depletes carbon dioxide in the blood. Breathing into a bag or talking helps restore CO2 balance.
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Q4.Acute fatigue is characterized by:
A.Inattention, distractibility, errors in timing, and neglect of secondary tasksB.Long-term exhaustion requiring medical treatmentC.Improved focus due to adrenalineD.HungerA. Inattention, distractibility, errors in timing, and neglect of secondary tasksExplanation: Acute fatigue is short-term tiredness caused by physical or mental strain (like a long flight day). It degrades performance.
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Q5.Dehydration can cause:
A.Dizziness, weakness, nausea, and drying of mucous membranesB.Increased visual acuityC.HyperactivityD.Slow breathingA. Dizziness, weakness, nausea, and drying of mucous membranesExplanation: Dehydration reduces blood volume and impairs physical and mental performance, leading to dizziness and fatigue.
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Q6.A conviction for a drug-related offense can result in:
A.Denial of an application for a Remote Pilot Certificate for up to 1 yearB.A permanent ban on flyingC.A warning letterD.Mandatory drug testingA. Denial of an application for a Remote Pilot Certificate for up to 1 yearExplanation: 14 CFR § 107.57 states that drug convictions are grounds for denial of a certificate for 1 year.
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Q7.The most effective way to scan the sky during the day is to:
A.Use a series of short, regularly spaced eye movementsB.Focus on the droneC.Scan continuously without stoppingD.Look only at the horizonA. Use a series of short, regularly spaced eye movementsExplanation: The eye can only focus on a small area at a time. . Systematically scanning 10-degree sectors is most effective.
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Q8.Hypoxia is a state of:
A.Oxygen deficiency in the bodyB.Excessive oxygen in the bloodC.Low blood sugarD.Excessive carbon dioxideA. Oxygen deficiency in the bodyExplanation: Hypoxia is a lack of sufficient oxygen to support brain and body function, leading to confusion and unconsciousness.
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Q9.Chronic fatigue:
A.IsNot relieved by a single night's sleep and may require medical attentionB.Is caused by a single long flightC.Is easily cured by coffeeD.Improves piloting skillsA. IsNot relieved by a single night's sleep and may require medical attentionExplanation: Chronic fatigue accumulates over time and indicates a deeper physiological or psychological issue requiring rest and recovery.
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Q10.Taking over-the-counter medication (like antihistamines) before flying:
A.May affect judgment and coordination; consult an AME or the labelB.Is always safeC.Is prohibited by the FAAD.Enhances performanceA. May affect judgment and coordination; consult an AME or the labelExplanation: Many OTC meds cause drowsiness. 14 CFR § 107.27 prohibits operating if you know a medical condition or medication creates a risk.
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Q11.The 'blind spot' in human vision at night is located:
A.In the center of the visual fieldB.In the peripheral visionC.There is no blind spot at nightD.Top left cornerA. In the center of the visual fieldExplanation: The central fovea contains cones (color/day vision). At night, cones don't work well, creating a central blind spot. You must look slightly off-center to use rods (night vision).
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Q12.How long does it take for the eyes to fully adapt to darkness?
A.30 minutesB.5 minutesC.1 hourD.10 minutesA. 30 minutesExplanation: Rods take approximately 30 minutes to fully adapt to darkness.
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Q13.Heatstroke is a medical emergency characterized by:
A.High body temperature, lack of sweating, confusion, and collapseB.Excessive sweating and pale skinC.ShiveringD.HungerA. High body temperature, lack of sweating, confusion, and collapseExplanation: Heatstroke is the collapse of the body's thermoregulation. The body stops sweating, and temperature rises dangerously.
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Q14.Carbon monoxide poisoning in aviation is typically caused by:
A.Exhaust fumes entering the cabin (manned aircraft) or proximity to running vehiclesB.High altitudeC.Breathing pure oxygenD.Holding breathA. Exhaust fumes entering the cabin (manned aircraft) or proximity to running vehiclesExplanation: While less common for drone pilots (who are outside), standing near running vehicle exhaust can cause CO poisoning, reducing the blood's ability to carry oxygen.
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Q15.An 'empty field myopia' occurs when:
A.The eyes have nothing to focus on (like an empty sky) and focus at a resting distance of a few metersB.The pilot is nearsightedC.The pilot stares at the sunD.The sky is cloudyA. The eyes have nothing to focus on (like an empty sky) and focus at a resting distance of a few metersExplanation: When looking at a featureless sky, the eyes relax and focus only a few meters ahead, making it hard to spot distant aircraft.
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Q16.Which of the following would disqualify you from flying a sUAS?
A.A migraine headache causing blurred visionB.A mild cold with no medicationC.Being 65 years oldD.Wearing glassesA. A migraine headache causing blurred visionExplanation: 14 CFR § 107.17 prohibits acting as a crew member if you have any physical or mental condition that would interfere with the safe operation (like blurred vision).
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Q17.Motion sickness can be treated in flight by:
A.Opening fresh air vents and focusing on the horizonB.Closing eyesC.Reading a mapD.Drinking alcoholA. Opening fresh air vents and focusing on the horizonExplanation: Fresh air and visual reference to the horizon help align the inner ear and visual senses.
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Q18.Stress Management strategies include:
A.Prioritizing tasks and avoiding distractionsB.Ignoring the stressC.Working fasterD.Taking stimulantsA. Prioritizing tasks and avoiding distractionsExplanation: Managing stress involves reducing workload, prioritizing safety-critical tasks, and maintaining situational awareness.
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Q19.What is the legal limit for marijuana use for Part 107 pilots?
A.Any trace in the blood is grounds for denial/revocationB.It is legal if state law allows itC.0.04%D.Allowed if used 24 hours priorA. Any trace in the blood is grounds for denial/revocationExplanation: Marijuana remains a Schedule I controlled substance federally. A conviction for possession allows the FAA to suspend/revoke certificates. Flying while under the influence is prohibited.
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Q20.The 'I' in IMSAFE stands for:
A.IllnessB.InjuryC.IntelligenceD.InsuranceA. IllnessExplanation: I = Illness. Are you sick?
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Q21.Regarding alcohol, which is more restrictive?
A.Part 107 (0.04% BAC)B.State driving laws (usually 0.08% BAC)C.Part 107 (0.08% BAC)D.They are the sameA. Part 107 (0.04% BAC)Explanation: The FAA's limit of 0.04% is stricter than the standard driving limit of 0.08% found in most states.
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