Midterm Questions Flashcards
(50 cards)
What type of sunglasses does the FAA recommend you use during flight?
Non Polarized
Empty field myopia is an example of:
Habituation
Eye adjusting from light to dark can be described as;
Adaptation
Over the last 20 years, the proportion of accidents that have remained constant (70%), are associated with
Human Factors
Oculargravic is the illusion that gives you the sensation
Illusion of pitch up
An extreme version of the somatogyral illusion is the
Coriolis illusion
Which vestibular illusion is experienced during a bank of 2 degrees per second or less?
The leans
Prolonged use of Afrin nasal spray can lead to
Closing of mucus membrane
The cone nerve endings of the eye are
Found in the center of the retina around the fovea
Where does a person who is experiencing an upper respiratory tract infection feel the greatest pressure change during a climb in an aircraft?
The greatest rate of pressure change occurs near the surface of the earth
Why does the eye have a blind spot?
It is where the optic nerve enters the eye
Which of these symptoms are equated to Hypotension?
Blurred Vision
Which physical gas law “providing the temperature is constant, the volume of gas is inversely proportional to its pressure”?
Boyles Law
Which part of the ear is responsible for equalizing the pressure around the Tympanic membrane?
Eustachian tube
What is the condition caused from an increase pressure in the eye resulting in damage to the optic nerve?
Glaucoma
Which turning illusion describes a grave yard spin?
Somatogyral
A decrease in partial pressure will affect which part of the body first?
The Brain
What is the first symptom caused by an increase in positive Gz
Reduction in peripheral vision
What is the percentage of oxygen in the atmosphere at 18,000’?
21%
Which of the following are causes of conductive hearing loss?
Perforated Ear Drum
Which part of the SHEL model involves the cockpit layout?
Hardware
What is the normal maximum arterial pressure in an adult?
120mmHg
Which stage of hypoxia will first experience symptoms during a night flight?
Indifferent
According to Dalton’s Law the sum of the partial pressures of a gas will equal the total pressure. Taking this into account what is the partial pressure of oxygen in the lung if the total atmospheric pressure is 523 mm Hg at 10,000FT?
55 mmHg