Human Performance Exam 4

7/28/2019 Human Performance Exam 4

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Human Performance & Limitations

Exam 1 50 questions, time allowed 1 hour

1. Dalton's Law is associated with:

(a) hypoxia(b) the bends(c) DCS(d) the creeps

2. With reference to automation, which of the following statements arecorrect ?

1. It enables the pilot to respond to unusual situations better sincethere is no need to monitor an automatic system

2. It reduces the pilot's attention because they can be out of the loop

3. It saves time4. It increases situational awareness

(a) 1 only (b) 2 only (c) 2 and 4 only (d) 1 and 3 only

3. Anxiety affects:

1. Judgement2. Attention

3. Memory 4. Concentration

(a) 1, 2, 3 and 4(b) 1, 2 and 4 only (c) 1 and 2 only (d) 1 only

4. Which light sensitive cells are used for night vision ?

(a) Cones(b) Cones and Rods(c) Lens(d) Rods

Bristol Groundschool Human Performance Exam 4



5. Carbon monoxide:

(a) can have a severe effect on the pilot's ability when receiving a strongexposure for a short period

(b) has no effect on the human body (c) is not toxic(d) does not have an effect when the body becomes used to the gas over

a long period of time

6. The body gets its energy from:

1. Minerals2. Carbohydrates3. Protein4. Vitamins

(a) 1 and 4(b) 2 and 3(c) 1, 2 and 4

(d) 3 and 4

7. The metabolism of alcohol is:

(a) only influenced by time(b) accelerated by drinking coffee(c) improved by over the counter medicines(d) quicker when the body gets used to alcohol

8. Pilot's sunglasses should:

(a) supply protection from UV and IR(b) possess reasonable luminance(c) absorb colour(d) straighten light beams

9. What is the normal Tidal Volume ?

(a) 150 ml(b) 250 ml(c) 500 ml(d) 750 ml

10. When problem solving, what determines the transition from rule basedactivities to knowledge based activities ?

(a) knowledge of the rules that apply to the problem(b) unsuitability of automated actions(c) lack of knowledge of the rules(d) unsuitability of known rules for the problem posed




11. Exhaled air contains:

(a) less water vapour than inhaled air(b) more nitrogen than inhaled air(c) more oxygen than inhaled air(d) more CO2 than inhaled air

12. Vitamin A and possibly vitamins B & C are chemical factors and essentialto night vision:

1. Vitamin deficiency may decrease night vision2. An excess intake of vitamin A will improve night vision significantly 3. A pilot should be careful to take a balanced diet containing sufficient

vitamin A4. Vitamin deficiency may decrease visual acuity in photopic vision but

not in scotopic vision

(a) 1, 2, 3 and 4 are correct(b) 1 and 3 are false, 2 and 4 are correct

(c) 1, 2 and 3 are correct, 4 is false(d) 1 and 3 are correct, 2 and 4 are false

13. Which of the following statements about interpersonal interactions arecorrect ?

1. If the sender believes the receiver is competent he tends to reduce theverbal redundancy of his sentence

2. If the interlocutor is of non-native tongue, the sender will use moredifficult words so as to optimise understanding

3. If the sender believes that the receiver does not understand, he willsimplify the contents of the sentence

4. By making check lists simpler for crews that know each other, this isthe route of interpersonal conflict

(a) 1 & 2 are correct(b) 1 & 3 are correct(c) 2 & 4 are correct(d) 3 & 4 are correct

14. You should not go flying with a bad cold because of the increased risk of:

(a) flatulence

(b) myopia(c) blurred vision(d) barotrauma




15. Blood in the pulmonary artery is

(a) rich in CO2 but poor in O2

(b) rich in O2 but poor in CO2

(c) rich in O2 and rich in CO2 (d) poor in CO2 and poor in O2

16. The blood pressure of a healthy man is:

(a) 230/220(b) 120/75(c) 80/125(d) 23/30

17. When looking at objects close by:

(a) the pupil dilates(b) the lens contracts(c) the lens elongates

(d) the cornea becomes smaller

18. Personality is governed by:

1. heredity 2. up bringing3. experience4. childhood

(a) 1, 2 & 4 only (b) 1, 2 & 3 only (c) none of the above(d) all of the above

19. When a pilot looks at a near object the:

(a) lens flattens(b) pupil becomes smaller(c) cornea becomes more curved(d) cornea changes shape

20. The malleus, incus and stapes (ossicles) are part of:

(a) the outer ear(b) the middle ear(c) the inner ear(d) the otolith




21. Cardiac output can be defined as:

(a) the stroke volume multiplied by the heart rate(b) the stroke volume multiplied by the heart rate divided by 60(c) the stroke volume multiplied by the heart rate multiplied by 60(d) the stroke volume divided by the heart rate

22. What illusion is caused by linear deceleration ?

(a) pitch up(b) pitch down(c) turning left(d) turning right

23. When "flicker effect" is causing problems the pilot should:

(a) turn off the strobe lights(b) turn on the strobe lights(c) turn down the flight deck lights

(d) turn up the flight deck lights

24. After giving blood a pilot is more susceptible to:

(a) decompression sickness(b) hypoxia(c) low blood pressure(d) slow brain function

25. Which of the following statements is correct ?

1. Paradoxical sleep refreshes the mind and body 2. Paradoxical sleep decreases during the sleep cycle

(a) 1 only (b) 2 only (c) both 1 and two(d) neither

26. Which frequency range of vibration causes the most distress:

(a) 1 to 20 Hz(b) 1 KHz to 20KHz

(c) 1 MHz to 20 MHz(d) no frequencies cause distress

27. On initial recovery from a spin the sensation felt by the pilot would be:

(a) turning in the same direction as the spin(b) turning in the opposite direction to the spin(c) pitching up(d) pitching down




28. A symptom of hyperventilation is:

(a) slower heart rate(b) slower respiration rate(c) cyanosis(d) a feeling of dizziness

29. The subcutaneous receptors within the body sense:

(a) the condition of the body (b) the temperature and pressure of the body (c) the true vertical(d) the spatial orientation of the body

30. Some symptoms of decompression sickness (DCS) will occur:

(a) at cabin altitudes above 18,000 feet(b) at cabin altitudes above 5,000 feet

(c) if the cabin altitude is climbed at a rate greater than 500 feet perminute to 18,000 feet

(d) with a temperature above 24°C with a cabin altitude above 2,000 feet

31. Which of the following is affected by anxiety ?

1. Judgement2. Concentration3. Memory 4. Attention

(a) 1 only (b) 1 & 2(c) 1, 2, & 3(d) 1, 2, 3 & 4

32. Exhaled air contains:

(a) more carbon dioxide than inhaled air(b) carbonic acid(c) less water vapour than inhaled air(d) more nitrogen than inhaled air




33. With regard to interpersonal relationships, which of the followingstatements are true?

1. The sender will reduce the verbal redundancy of his sentence if hebelieves that the receiver is competent.

2. The sender will simplify the contents of his sentence if he beleivesthat the receiver does not understand.

3. If the interlocutor is of non-native tongue, the sender will use morecomplicated phrases so as to optimise understanding.

4. For crews that fly together regularly, simple checklists are a rootcause of interpersonal conflict

(a) 4 and 1(b) 4 and 2(c) 4 and 3(d) 1 and 2

34. What should a good pair of sunglasses do?

(a) provide reasonable luminance, absorb Ultra Violet and Infrared lightand absorb all colours evenly

(b) suit each individual pilot's own needs(c) correct vision(d) sunglasses are not permitted in the flying environment

35. You are cruising at FL 300 and suffer a rapid decompression. Severaldays later you experience pain in between the joints and you feel unwell.What should you do:

(a) seek medical attention immediately (b) ignore it and the problem will go away (c) do not fly for at least 27 hours(d) do not fly and seek medical attention immediately

36. A pilot, who is a regular smoker, consumes 20 to 30 cigarettes in the 24hour prior to a flight. By what percentage is his body's ability to circulateoxygen reduced ?

(a) 8% - 12%(b) 20% - 25%(c) 0.5% - 1%(d) 10% - 12%

37. What cells in the eyes are used for night vision ?

(a) rods and cones(b) retina(c) cones(d) rods




38. Which of the following flights will most affect the human body-clock ?

1. A day flight from Amsterdam to New York2. A day flight from Amsterdam to Johannesburg3. A night flight from New York to Amsterdam4. A day flight from New York to Amsterdam

(a) 1 & 2 are correct(b) 1, 2 and 3 are correct(c) 1, 2, 3 and 4 are correct(d) 1 and 4 are correct

39. Anaemia is usually caused by a deficiency of:

(a) white blood cells(b) red blood cells(c) platelets(d) the ability of haemoglobin to function properly

40. The eustachian tube links:

(a) sinuses to middle ear(b) middle ear to throat(c) inner ear to sinuses(d) throat to inner ear

41. What is Henry's law relevant to ?

(a) diffusion(b) hyperventilation(c) hypoxia(d) heat transfer

42. What is the carcinogen in cigarettes which collects in the bronchi and inthe lungs ?

(a) tar(b) nicotine(c) lead(d) carbon monoxide




43. Resistance to decompression sickness (DCS) will be decreased by which of the following factors

1. SCUBA diving2. age3. obesity 4. body height

(a) 1 only (b) 1 & 2 only (c) 1, 2 & 3 only (d) 1, 2, 3 & 4

44. Which of the following may be symptoms of hypoxia ?

1. muscular impairment2. fast and deep breathing3. impaired judgement4. impaired vision

(a) 1 & 3 only (b) 1, 3 & 4 only (c) 1, 2 & 4 only (d) 1, 2, 3 & 4

45. Some hours after landing a pilot feels pains in his joints. The correctcourse of action would be:

(a) ignore the symptom because it is a common after-effect of extendedflight at altitude

(b) seek medical advice from an aviation medical specialist(c) seek physiotherapy (d) take moderate exercise until the pain goes

46. What is the time of useful consciousness (TUC) after loss of pressurisationat 35,000 feet ?

(a) 10 - 15 seconds(b) 30 - 60 seconds(c) 3 - 4 minutes(d) at least 5 minutes

47. After blood donation a pilot should:

(a) note that aircrew are prohibited from giving blood(b) note that aircrew are discouraged from giving blood(c) rest supine for about 15 to 20 minutes, drink plenty of fluids and not

fly for 24 hours(d) rest supine for at least one hour, drink plenty of fluids and not fly for

48 hours




48. 'Co-action' means:

(a) a form of co-operation which involves working in parallel towardsseparate goals

(b) a form of co-operation which involves working in parallel towards acommon goal

(c) a form of co-operation which involves working independently

(d) a form of co-operation which involves the duplication of actions

49. The phenomena known as 'Grey-out' can result in forces greater than:

(a) +3Gz(b) -3Gz(c) +3Gy (d) -3Gy

50. The learning process may be improved by:

(a) increasing psychological pressure on the student

(b) reinforcing successful endeavours(c) encouraging mistakes(d) punishing errors




Human Performance & Limitations

Exam 1 50 questions, time allowed 1 hour

A B C D

1

2

3

4

5

6

7

8

9

10

A B C D

11

12

13

14

15

16

17

18

19

20

Name:

21

22

23

24

25

26

27

28

29

30

A B C D

41

42

43

44

45

46

47

48

49

50

31

32

33

34

35

36

37

38

39

40




ANSWERS

1. (a) 16. (b) 31. (d) 46. (b)2. (b) 17. (b) 32. (a) 47. (c)3. (a) 18. (d) 33. (d) 48. (b)4. (d) 19. (b) 34. (b) 49. (a)

5. (a) 20. (b) 35. (d) 50. (b)6. (b) 21. (a) 36. (b)7. (a) 22. (b) 37. (d)8. (b) 23. (a) 38. (d)9. (c) 24. (b) 39. (b)10. (d) 25. (d) 40. (b)11. (d) 26. (a) 41. (a)12. (d) 27. (b) 42. (a)13. (b) 28. (d) 43. (c)14. (d) 29. (d) 44. (d)15. (a) 30. (a) 45. (b)


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Human Performance Exam 4