COMPLETE QUESTIONS & 100% CORRECT ANSWERS AND
EXPLANATIONS
Question 1
This gas law explains the transfer of gases between the blood or other body fluids
and the tissues they contact.
Choices:
A) Boyle's Law
B) Charles's Law
C) Henry's Law
D) Dalton's Law
Correct Answer: C) Henry's Law
Explanation: Henry's Law states that gas dissolved in a liquid is proportional to its
partial pressure, governing blood-tissue gas exchange.
Question 2
Since there are no photoreceptors at this site, it is effectively an anatomical blind
spot.
Choices:
A) Fovea
B) Optic disc
C) Macula
D) Cornea
,Correct Answer: B) Optic disc
Explanation: The optic disc lacks rods and cones, creating a natural blind spot.
Question 3
If you choose to donate blood, you will be grounded for how long due to the
increased threat of hypemic hypoxia?
Choices:
A) 24 hours
B) 48 hours
C) 72 hours
D) 1 week
Correct Answer: C) 72 hours
Explanation: Blood donation reduces red blood cell mass, reducing oxygen-
carrying capacity. Typical grounding is 72 hours.
Question 4
_____ is the personal motivation to reach your destination that conflicts with safe
completion of the mission.
Choices:
A) Get-home-itis
B) Task saturation
C) Complacency
D) Peer pressure
Correct Answer: A) Get-home-itis
Explanation: This psychological pressure leads to poor risk assessment and
hazardous decisions.
Question 5
,What are the two primary levels of awareness?
Choices:
A) Focused and divided
B) Conscious and unconscious
C) Controlled and automatic
D) Voluntary and involuntary
Correct Answer: C) Controlled and automatic
Explanation: Controlled awareness requires active attention; automatic awareness
applies to well-practiced tasks.
Question 6
_____ acceleration is simultaneous change in both speed and direction.
Choices:
A) Linear
B) Radial
C) Angular
D) Coriolis
Correct Answer: C) Angular
Explanation: Angular acceleration involves rotation around an axis, changing both
speed and direction.
Question 7
What hampers or prevents proper situational awareness?
Choices:
A) Perceptual illusions
B) Memory lapses
C) Both A and B
D) None of the above
, Correct Answer: C) Both A and B
Explanation: Illusions distort reality; memory lapses cause information loss—both
degrade SA.
Question 8
What are the major structures of the respiratory system?
Choices:
A) Nose, pharynx, larynx, bronchi
B) Oral-nasal cavities, trachea, lungs, alveoli
C) Diaphragm, ribs, bronchioles, capillaries
D) Heart, arteries, veins, capillaries
Correct Answer: B) Oral-nasal cavities, trachea, lungs, alveoli
Explanation: These are the primary air-conducting and gas-exchange structures.
Question 9
What are the factors affecting oxygen delivery to the tissues? (Select all that
apply)
Choices:
A) Altitude
B) G-forces
C) Toxic gases
D) All of the above
Correct Answer: D) All of the above
Explanation: Altitude reduces PO₂, G-forces impair circulation, toxic gases block
oxygen binding.
Question 10