Human Performance And Limitations (L)

67 Questions | Total Attempts: 76

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Human Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which statement is true regarding alcohol in the human system?
    • A. 

      (1) Alcohol renders a pilot more susceptible to hypoxia.

    • B. 

      (2) Small amounts of alcohol will not impair flying skills.

    • C. 

      (3) Coffee helps metabolize alcohol and alleviates a hangover.

  • 2. 
    If advice is needed concerning possible flight with an illness, a pilot should contact
    • A. 

      (1) an Aviation Medical Examiner.

    • B. 

      (2) their family doctor.

    • C. 

      (3) the nearest hospital.

  • 3. 
    Which will always affect your ability to fly?
    • A. 

      (1) Over-the-counter analgesics and antihistamines.

    • B. 

      (2) Antibiotics and anesthetics drugs.

    • C. 

      (3) Prescription analgesics and antihistamines.

  • 4. 
    As a pilot, flying for long periods in hot summer temperatures increases the susceptibilityof dehydration since the
    • A. 

      (1) dry air at altitude tends to increase the rate of water loss from the body.

    • B. 

      (2) moist air at altitude helps retain the body┬┤s moisture.

    • C. 

      (3) temperature decreases with altitude.

  • 5. 
    Motion sickness is caused by
    • A. 

      (1) continued stimulation of the tiny portion of the inner ear which controls sense of balance.

    • B. 

      (2) an instability in the brain cells which affect balance and will generally be overcome with experience.

    • C. 

      (3) the movement of an aircraft causing the stomach to create an acid substance which causes the stomach lining to contract.

  • 6. 
    What suggestion could you make to your pilot fellow who is experiencing motionsickness?
    • A. 

      (1) Recommend taking medication to prevent motion sickness.

    • B. 

      (2) Lower her/his head, shut her/his eyes, and take deep breaths.

    • C. 

      (3) Avoid unnecessary head movement and to keep her/his eyes on a point outside the aircraft.

  • 7. 
    In an unpressurised aircraft, at high altitudes the amount of oxygen that diffuses acrossthe lung membranes into the blood is
    • A. 

      (1) decreased because of the low partial pressure of oxygen.

    • B. 

      (2) decreased because of the lower temperatures.

    • C. 

      (3) unchanged to that at sea level.

  • 8. 
    During a climb to 18,000 ft, the percentage of oxygen in the atmosphere
    • A. 

      (1) increases.

    • B. 

      (2) decreases.

    • C. 

      (3) remains the same.

  • 9. 
    Although not required, supplemental oxygen is recommended for use when flying atnight above
    • A. 

      (1) 1,500 m (5,000 ft).

    • B. 

      (2) 3,050 m (10,000 ft).

    • C. 

      (3) 3,800 m (12,500 ft).

  • 10. 
    Hypoxia is the result of
    • A. 

      (1) shortage of oxygen in the body.

    • B. 

      (2) insufficient oxygen in the air.

    • C. 

      (3) excessive nitrogen in the bloodstream.

  • 11. 
    Which statement best defines hypoxia?
    • A. 

      (1) A state of oxygen deficiency in the body.

    • B. 

      (2) An abnormal increase in the volume of air breathed.

    • C. 

      (3) A condition of gas bubble formation around the joints or muscles.

  • 12. 
    Which statement concerning hypoxia is true?
    • A. 

      (1) Hypoxia is caused by nitrogen bubbles in the joints and bloodstream.

    • B. 

      (2) Tingling of the skin and a false sense of security may be symptoms of hypoxia.

    • C. 

      (3) Forcing oneself to concentrate on the flight instruments will help to overcome the effects of hypoxia.

  • 13. 
    Which occurs when climbing above 18,000 feet in an unpressurized aircraft withoutsupplemental oxygen?
    • A. 

      (1) Gases trapped in the body contract and prevent nitrogen from escaping the bloodstream.

    • B. 

      (2) The pressure in the middle ear becomes less than the atmospheric pressure in the cabin.

    • C. 

      (3) The oxygen pressure within the lungs cannot be maintained without an increase in inhaled oxygen pressure.

  • 14. 
    Susceptibility to carbon monoxide poisoning increases as
    • A. 

      (1) altitude increases.

    • B. 

      (2) altitude decreases.

    • C. 

      (3) air pressure increases.

  • 15. 
    Hypemic hypoxia has the same symptoms as hypoxic hypoxia, but it is most often aresult of
    • A. 

      (1) poor blood circulation.

    • B. 

      (2) a leaking exhaust manifold.

    • C. 

      (3) use of alcohol or drugs before flight.

  • 16. 
    Carbon monoxide in an aircraft cabin is
    • A. 

      (1) easily recognizable because of its peculiar odor.

    • B. 

      (2) easily recognizable because of its peculiar color.

    • C. 

      (3) difficult to recognize because of its odorless and colorless.

  • 17. 
    Large accumulations of carbon monoxide in the human body result in
    • A. 

      (1) tightness across the forehead.

    • B. 

      (2) loss of muscular power.

    • C. 

      (3) an increased sense of well-being.

  • 18. 
    What is one effect smoking has on a pilot?
    • A. 

      (1) Decreases night vision by 50 percent.

    • B. 

      (2) Increases body heat which, in turn, creates a demand for more oxygen.

    • C. 

      (3) Creates additional carbon dioxide gases in the body which often leads to hyperventilation.

  • 19. 
    A person may not act as a crewmember of a civil aircraft if alcoholic beverages havebeen consumed by that person within the preceding
    • A. 

      (1) 8 hours.

    • B. 

      (2) 12 hours.

    • C. 

      (3) 24 hours.

  • 20. 
    • A. 

      (1) Emotional tension, anxiety, or fear.

    • B. 

      (2) The excessive consumption of alcohol.

    • C. 

      (3) An extremely slow rate of breathing and insufficient oxygen.

  • 21. 
    Rapid or extra deep breathing while using oxygen can cause a condition known as
    • A. 

      (1) aerosinusitis.

    • B. 

      (2) aerotitis.

    • C. 

      (3) hyperventilation.

  • 22. 
    Hyperventilation results from
    • A. 

      (1) a lack of carbon dioxide in the body.

    • B. 

      (2) flying too high without supplemental oxygen.

    • C. 

      (3) breathing too rapidly causing a lack of oxygen.

  • 23. 
    A pilot should be able to overcome the symptoms or avoid future occurrences ofhyperventilation by
    • A. 

      (1) closely monitoring the flight instruments to control the airplane.

    • B. 

      (2) slowing the breathing rate, breathing into a bag, or talking aloud.

    • C. 

      (3) increasing the breathing rate in order to increase lung ventilation.

  • 24. 
    If an individual has gone scuba diving which has not required a controlled ascent and willbe flying to cabin pressure altitudes of 8,000 feet or less, the recommended waiting time is at least
    • A. 

      (1) 4 hours.

    • B. 

      (2) 12 hours.

    • C. 

      (3) 24 hours.

  • 25. 
    If an individual has gone scuba diving which has required a controlled ascent and will beflying to cabin pressure altitudes of 8,000 feet or less, the recommended waiting time is at least
    • A. 

      (1) 4 hours.

    • B. 

      (2) 12 hours.

    • C. 

      (3) 24 hours.

  • 26. 
    Dark adaptation is impaired by exposure to
    • A. 

      (1) carbon dioxide.

    • B. 

      (2) vitamin A in the diet.

    • C. 

      (3) cabin pressure altitudes above 5,000 feet.

  • 27. 
    • A. 

      (1) Wear sunglasses after sunset until ready for flight.

    • B. 

      (2) Avoid red lights at least 30 minutes before the flight.

    • C. 

      (3) Avoid bright white lights at least 30 minutes before the flight.

  • 28. 
    One aid in increasing night vision effectivness would be to
    • A. 

      (1) look directly at objects.

    • B. 

      (2) force the eyes to view off center.

    • C. 

      (3) increase intensity of interior lighting.

  • 29. 
    What is the most effective way to use the eyes during night flight?
    • A. 

      (1) Look only at far away, dim lights.

    • B. 

      (2) Scan slowly to permit off-center viewing.

    • C. 

      (3) Concentrate directly on each object for a few seconds.

  • 30. 
    The most effective technique to use for detecting other aircraft at night is to
    • A. 

      (1) turn the head and sweep the eyes rapidly over the entire visible region.

    • B. 

      (2) avoid staring directly at the point where another aircraft is suspected to be flying.

    • C. 

      (3) avoid scanning the region below the horizon so as to avoid the effect on ground light on the eyes.

  • 31. 
    The best method to use when looking for other traffic at night is to
    • A. 

      (1) look to the side of the object and scan slowly.

    • B. 

      (2) scan the visual field very rapidly.

    • C. 

      (3) look to the side of the object and scan rapidly.

  • 32. 
    The most effective method of scanning for other aircraft for collision avoidance duringnighttime hours is to use
    • A. 

      (1) regularly spaced concentration on the 3-, 9-, and 12-o'clock positions.

    • B. 

      (2) a series of short, regularly spaced eye movements to search each 30-degree sector.

    • C. 

      (3) peripheral vision by scanning small sectors and utilizing off-center viewing.

  • 33. 
    Prior to starting each maneuver, pilots should
    • A. 

      (1) check altitude, airspeed, and heading indications.

    • B. 

      (2) visually scan the entire area for collision avoidance.

    • C. 

      (3) announce their intentions on the nearest CTAF.

  • 34. 
    What is an effective way to prevent a collision hazard in the traffic pattern?
    • A. 

      (1) Enter the pattern in a descent.

    • B. 

      (2) Maintain the proper traffic pattern altitude and continually scan the area.

    • C. 

      (3) Rely on radio reports from other aircraft who may be operating in the traffic pattern.

  • 35. 
    Which technique should a pilot use to scan for traffic to the right and left duringstraight-and-level flight?
    • A. 

      (1) Continuous sweeping of the windshield from right to left.

    • B. 

      (2) Concentrate on relative movement detected in the peripheral vision area.

    • C. 

      (3) Systematically focus on different segments of the sky for short intervals.

  • 36. 
    How can you determine if another aircraft is on a collision course with your aircraft?
    • A. 

      (1) The other aircraft will always appear to get larger and closer at a rapid rate.

    • B. 

      (2) The nose of each aircraft is pointed at the same point in space.

    • C. 

      (3) There will be no apparent relative motion between your aircraft and the other aircraft.

  • 37. 
    The most effective method of scanning for other aircraft for collision avoidance duringdaylight hours is to use
    • A. 

      (1) regularly spaced concentration on the 3-, 9-, and 12-o'clock positions.

    • B. 

      (2) a series of short, regularly spaced eye movements to search each 10-degree sector.

    • C. 

      (3) peripheral vision by scanning small sectors and utilizing off-center viewing.

  • 38. 
    • A. 

      (1) Haze causes the eyes to focus at infinity.

    • B. 

      (2) The eyes tend to overwork in haze and do not detect relative movement easily.

    • C. 

      (3) All traffic or terrain features appear to be farther away than their actual distance.

  • 39. 
    A state of temporary confusion resulting from misleading information being sent to thebrain by various sensory organs is defined as
    • A. 

      (1) spatial disorientation.

    • B. 

      (2) hyperventilation.

    • C. 

      (3) hypoxia.

  • 40. 
    Most midair collision accidents occur during
    • A. 

      (1) hazy days.

    • B. 

      (2) clear days.

    • C. 

      (3) cloudy nights.

  • 41. 
    • A. 

      (1) Avoid steep turns and rough control movements.

    • B. 

      (2) Rely entirely on the indications of the flight instruments.

    • C. 

      (3) Reduce head and eye movements to the greatest extend possible.

  • 42. 
    Pilots are more subject to spatial disorientation if
    • A. 

      (1) they ignore the sensations of muscles and inner ear.

    • B. 

      (2) body signals are used to interpret flight attitude.

    • C. 

      (3) eyes are moved often in the process of cross-checking the flight instruments.

  • 43. 
    The danger of spatial disorientation during flight in poor visual conditions may bereduced by
    • A. 

      (1) shifting the eyes quickly between the exterior visual field and the instrument panel.

    • B. 

      (2) having faith in the instruments rather than taking a chance on the sensory organs.

    • C. 

      (3) leaning the body in the opposite direction of the motion of the aircraft.

  • 44. 
    If a pilot experiences spatial disorientation during flight in a restricted visibility condition,the best way to overcome the effect is to
    • A. 

      (1) rely upon the aircraft instrument indications.

    • B. 

      (2) concentrate on yaw, pitch, and roll sensations.

    • C. 

      (3) consciously slow the breathing rate until symptoms clear and then resume normal breathing rate.

  • 45. 
    A rapid acceleration can create the illusion of being in a
    • A. 

      (1) left turn.

    • B. 

      (2) noseup attitude.

    • C. 

      (3) nosedown attitude.

  • 46. 
    An illusion, that an aircraft is at a higher altitude than it actually is, is produced by
    • A. 

      (1) atmospheric haze.

    • B. 

      (2) upsloping terrain.

    • C. 

      (3) downsloping terrain.

  • 47. 
    Who is responsible for determining whether a pilot is fit to fly for a particular flight, eventhough he or she holds a current medical certificate?
    • A. 

      (1) The pilot.

    • B. 

      (2) The medical examiner.

    • C. 

      (3) The FA-1.

  • 48. 
    What is the one common factor which affects most preventable accidents?
    • A. 

      (1) Human error.

    • B. 

      (2) Mechanical malfunction.

    • C. 

      (3) Structural failure.

  • 49. 
    What often leads to spatial disorientation or collision with ground/obstacles when flyingunder Visual Flight Rules (VFR)?
    • A. 

      (1) Duck-under syndrome.

    • B. 

      (2) Continual flight into instrument conditions.

    • C. 

      (3) Getting behind the aircraft.

  • 50. 
    What is it often called when a pilot pushes his or her capabilities and the aircraft's limitsby trying to maintain visual contact with the terrain in low visibility and ceiling?
    • A. 

      (1) Mind set.

    • B. 

      (2) Peer pressure.

    • C. 

      (3) Scud running.

  • 51. 
    What is one of the neglected items when a pilot relies on short and long term memory forrepetitive tasks?
    • A. 

      (1) Situation awareness.

    • B. 

      (2) Checklists.

    • C. 

      (3) Flying outside the envelope.

  • 52. 
    Consistent adherence to approved checklists is a sign of
    • A. 

      (1) disciplined and competent pilot.

    • B. 

      (2) pilot who lacks the required knowledge.

    • C. 

      (3) low-tome pilot.

  • 53. 
    To avoid missing important steps, always use the
    • A. 

      (1) appropriate checklists.

    • B. 

      (2) placarded airspeeds.

    • C. 

      (3) airworthiness certificate.

  • 54. 
    The positive three-step process in the exchange of flight controls between pilots includesthese verbal steps: (a) You have the flight controls, (b) I have the flight controls, and (c)
    • A. 

      (1) You have the flight controls.

    • B. 

      (2) I have the aircraft.

    • C. 

      (3) I have the flight controls.

  • 55. 
    Risk management, as a part of aeronautical decision making (AMD) process, relies onwhich features to reduce the risk associated with each flight?
    • A. 

      (1) Application of stress management and risk element procedures.

    • B. 

      (2) The mental process of analyzing all information in a particular situation and making a timely decision on what action to take.

    • C. 

      (3) Situational awareness, problem recognition, and good judgment.

  • 56. 
    Hazardous attitudes occur to every pilot to some degree at some time. What are some ofthese hazardous attitudes?
    • A. 

      (1) Poor risk management and lack of stress management.

    • B. 

      (2) Antiauthority, impulsivity, macho, resignation, and invulnerability.

    • C. 

      (3) Poor situational awareness, snap judgments, and lack of a decision making process.

  • 57. 
    In the aeronautical decision making (ADM) process, what is the first step in neutralizing ahazardous attitude?
    • A. 

      (1) Making a rational judgement.

    • B. 

      (2) Recognizing hazardous thoughts.

    • C. 

      (3) Recognizing the invulnerability of the situation.

  • 58. 
    What is the antidote when a pilot has a hazardous attitude, such as "Antiauthority"?
    • A. 

      (1) Rules do not apply in this situation.

    • B. 

      (2) I know what I am doing.

    • C. 

      (3) Follow the rules.

  • 59. 
    What is the antidote when a pilot has a hazardous attitude, such as "Impulsivity"?
    • A. 

      (1) Do it quickly to get it over with.

    • B. 

      (2) It could happen to me.

    • C. 

      (3) Not so fast, think first.

  • 60. 
    What is the antidote when a pilot has a hazardous attitude, such as "Invulnerability"?
    • A. 

      (1) It will not happen to me.

    • B. 

      (2) It could happen to me.

    • C. 

      (3) It can not be that bad.

  • 61. 
    What is the antidote when a pilot has a hazardous attitude, such as "Macho"?
    • A. 

      (1) Taking chances is foolish.

    • B. 

      (2) I can do it.

    • C. 

      (3) Nothing will happen.

  • 62. 
    What is the antidote when a pilot has a hazardous attitude, such as "Resignation"?
    • A. 

      (1) I am not helpless.

    • B. 

      (2) What is the use.

    • C. 

      (3) Someone else is responsible.

  • 63. 
    What is the antidote when a pilot has a hazardous attitude, such as "Impulsivity"?
    • A. 

      (1) It could happen to me.

    • B. 

      (2) Do it quickly to get it over with.

    • C. 

      (3) Not so fast, think first.

  • 64. 
    What is the antidote when a pilot has a hazardous attitude, such as "Antiauthority"?
    • A. 

      (1) Rules do not apply in this situation.

    • B. 

      (2) I know what I am doing.

    • C. 

      (3) Follow the rules.

  • 65. 
    What is the antidote when a pilot has the hazardous attitude of "Invulnerability"?
    • A. 

      (1) It can not be that bad.

    • B. 

      (2) It could happen to me.

    • C. 

      (3) It will not happen to me.

  • 66. 
    What is the antidote when a pilot has a hazardous attitude, such as "Macho"?
    • A. 

      (1) It will not happen to me.

    • B. 

      (2) It can not be that bad.

    • C. 

      (3) It could happen to me.

  • 67. 
    What is the antidote when a pilot has a hazardous attitude, such as "Resignation"?
    • A. 

      (1) What is the use.

    • B. 

      (2) Someone else is responsible.

    • C. 

      (3) I am not helpless.