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Aerospace Medicine Quiz

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Aerospace Medicine Quiz

Resident in Aerospace Medicine, Institute of Aerospace Medicine IAF, Bengaluru – 560017, Karnataka, India
Compiled by: Dr K Suryakiran, MBBS, Resident in Aerospace Medicine, Institute of Aerospace Medicine IAF, Bengaluru – 560017, Karnataka, India. 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. Space equivalent zone is:

    • (a) 10000 - 15000 feet

    • (b) >50000 feet

    • (c) 15000 - 25000 feet

    • (d) 400 km above earth

  2. In short-duration (4-5 days) space flight body water reduces by:

    • (a) 3-4% of the body weight

    • (b) 10-15% of the body weight

    • (c) No significant reduction

    • (d) 0.5 Litres

  3. What happens to heart rate in spaceflight?

    • (a) Increases

    • (b) Reduces

    • (c) Does not change

    • (d) Becomes irregular

  4. Mulder’s constant is

    • (a) Acceleration – time product

    • (b) Distance – time product

    • (c) Both the above

    • (d) None of the above

  5. Human beings have maximum tolerance to acceleration in which axis?

    • (a) +Gz

    • (b) -Gz

    • (c) +Gx

    • (d) +Gy

  6. Convulsions are a feature of GLOC that occur during which phase?

    • (a) Absolute incapacitation period

    • (b) Relative incapacitation period

    • (c) G onset period

    • (d) Not a feature of G-LOC

  7. The MK 16 MOD 1 Closed-Circuit Mixed-Gas Underwater Breathing Apparatus (UBA) used by US Navy Divers can have a maximum ascent rate of:

    • (a) 30 feet per minute

    • (b) 10 feet per minute

    • (c) 15 feet per minute

    • (d) 25 feet per minute

    • (e) 20 feet per minute

  8. During the rescue of Salyut – 7 space station, Russian cosmonauts working in unpowered platform developed symptoms of:

    • (a) Hyperbaria

    • (b) Heat strain

    • (c) Hypercarbia

    • (d) Toxic fumes inhalation

    • (e) Phthisis bulba

  9. Which of the following is / are true about HBOT?

    • (a) Vasoconstriction occurs in non-ischemic tissues

    • (b) The effects of catecholamines are potentiated

    • (c) Endogenous antioxidants are stimulated

    • (d) Venous saturation becomes close to 100%

    • (e) HBO induces steep oxygen gradient in radiation damaged tissues

  10. Post-flight symptoms may be induced and/or exacerbated by head movements during re-entry and immediately after landing due to:

    • (a) Hyposensitivity to angular head motions in all planes initially

    • (b) Hypersensitivity to angular head motions specially in the pitch plane being more provocative initially

    • (c) Hyposensitivity to angular head motions specially in the pitch plane being more provocative initially

    • (d) None of the above

  11. The syndrome, which includes lack of motivation to work or interact with others, drowsiness, fatigue, and the inability to concentrate as a result of Space Motion Sickness is often referred as:

    • (a) Sopite Syndrome

    • (b) Mal de debarquement Syndrome (MdDs)

    • (c) Chronic Fatigue Syndrome (CFS)

    • (d) Barratt Syndrome

  12. The following are considered as hardware in SHELL model except

    • (a) Anti-G Valve

    • (b) Multifunctional Display

    • (c) Checklist

    • (d) Helmet Mounted Display

  13. As per MIL Std 1333 B, the minimum clearance from knee/shin from Main Instrument Panel is:

    • (a) 1.5 cm

    • (b) 1.5 inch

    • (c) 1.0 cm

    • (d) 1.0 inch

  14. The important visual requirement for cockpit design depicted by the term VON is:

    • (a) Vision on Numbers

    • (b) View over Nautical

    • (c) Vision over Nose

    • (d) View over Nature

  15. The automatic system which helps deploy parachute at a predetermined time and height are as follows; except:

    • (a) BTRU

    • (b) K II A3

    • (c) F-I B

    • (d) KM-36

Answers for Aerospace Medicine Quiz

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

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