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Aerospace Medicine Quiz

Resident in Aerospace Medicine, Institute of Aerospace Medicine IAF, Bengaluru – 560017, Karnataka, Bengaluru, India
Compiled by: Surg Lt Cdr (Dr) Vanjaria Harsh Pravin, Resident in Aerospace Medicine, Institute of Aerospace Medicine IAF, Bengaluru – 560017, Karnataka, Bengaluru. E-mail:
This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

  1. A common cause of foodborne illness inflight is due to:

    1. Delays in serving meals

    2. Infected food handler

    3. Improper holding temperatures

    4. Both (b) and (c)

  2. Which of the following is/ are windscreen optical effect(s)?

    1. Displacement

    2. Deviation

    3. Distortion

    4. All of the above

  3. A smooth, rounded, soft-tissue density demonstrated radiographically in frontal sinus in which pain was experienced during descent in an aircraft is most likely:

    1. Mucocele

    2. Submucosal hematoma

    3. Polyp

    4. Pneumatocele

  4. The following statements concerning the use of Positive Pressure Breathing (PPB) for G-protection (PBG) are true EXCEPT:

    1. PBG can aggravate arm pain in some seat configurations.

    2. PBG can approximately double the duration of G-exposure that a pilot can tolerate.

    3. PBG is effective in preventing G-LOC when used without anti-G trousers.

    4. Chest counterpressure increases pilot comfort and allows for the use of higher levels of PPB.

  5. In-vivo marker of active oxygen products with Hyperbaric Oxygen Therapy (HBOT) is:

    1. Increased urine Creatinine

    2. Increased serum Acetylamine

    3. Increased urine Methyl Guanidine

    4. Decreased serum Creatinine

  6. The latitude of earth at which ICAO standard atmosphere is described is:

    1. Equator

    2. 23.5 degrees North

    3. 45 degrees North

    4. 45 degrees South

  7. Which of the following statements regarding stereopsis in aviation is true?

    1. Stereopsis requires good visual acuity in both eyes (with or without correction).

    2. Stereopsis depends upon relatively equal refractive error in both eyes (i.e., no evidence of anisometropia).

    3. Impaired conjugate ocular motility, especially heterotropias, may significantly impact stereopsis.

    4. Central brain fusion of the disparate images from both eyes is required for normal stereopsis.

    5. All of the above.

  8. Cabin air is exchanged every:

    1. 1-2 mins

    2. 3-4 mins

    3. 30s – 1 min

    4. 5 mins

  9. HACCP was originally designed by:

    1. FAA

    2. RFSA

    3. NASA

    4. FDA

  10. You are hiking with a friend and reach an elevation of 10,000 feet. You pitch your tents and go to sleep. In the morning, your friend reports a headache, then begins complaining of difficulty breathing, even at rest. What would be the best action to take for your friend?

    1. Give your friend some coffee, as he is most likely experiencing a caffeine headache.

    2. As quickly as possible, descend to a lower elevation with your friend.

    3. Advise your friend to relax, as he is most likely stressed out from spending a night on a mountainside.

    4. As quickly as possible, climb higher, as the air at higher elevations contains more oxygen.

  11. Pilots give what name to Universal Time Coordinated (UTC)?

    1. GMT

    2. Zero hour

    3. Zulu time

    4. Prime time

  12. The angle of attack at which an airplane wing stalls will:

    1. Change with an increase in gross weight

    2. Remain the same regardless of gross weight

    3. Increase if the CG is moved forward

    4. None of the above

  13. ‘Chibis’ Suit is a:

    1. Launch & Re-entry Suit

    2. Cooling Garment

    3. LBNP Suit

    4. EVA Suit

  14. Which of the following aircraft disinfecting agents is biologically effective and safe for passengers:

    1. DDT-10%

    2. BHC - 5%

    3. Resmethrin - 2%

    4. Baygon - 20%

  15. The first physician to go into space was:

    1. Yuri Gagarin

    2. Yegorov

    3. Armstrong

    4. Kerwin

Answers for Aerospace Medicine Quiz

Ans.: 1. (d), 2. (d), 3. (b), 4. (c), 5. (c), 6. (c), 7. (e), 8. (b), 9. (c), 10. (b), 11. (c), 12. (b), 13. (c), 14. (c), 15. (b)

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