CASA ATPL AHUF Study (2025) Exam With Detailed & Verified Questions with 100% Correct Answers | 100% Confirmed Latest Update | Graded A+ | 100% Success

BMI formula weight (kg) / height (m^2) Most common cause of pilot incapacitation Food and drink poisoning Most comfortable temperature range and relative humidity range 21-27 degrees C at 40- 60% relative humidity Definition of heat stress type 1 and remedy Operating above 32 degs C best remedied by drinking water. Definition of heat stress type 2 Too much sun through sunbathing, inadequate protection or liquid intake Definition of heat stress type 3 Temperatures below 10 degs C. Body loses more body heat than it can produce resulting in hypothermia (cognitive impairment, apathy, unconsciousness and ultimately death) Early sensation of dehydration Dry nasal passage and prickly eyes Hours of non-flying required after a blood donation 24 hours Define (otic) Barotrauma Stretching of ear drum due to uneven air pressures between middle ear and ambient. (NO! Any pain caused due to pressure differential) CASA ATPL AHUF Study (2025) Exam With Detailed & Verified Questions with 100% Correct Answers | 100% Confirmed Latest Update | Graded A+ | 100% SuccessEffect of (otic) barotrauma Pressure vertigo of ear/balance mechanism causing dizziness What does the Valsave manoeuvre do? Forces air via Eustascian Tube into middle ear to increase pressure equal to ambient What are sinuses? Cavities in the skull that are lined with a mucus membrane that can swell to block venting. Aggravated by pressure differential during descent. Litres of body fluids lost during a hot day 5 Effect of eating green vegetables prior to flight Expansion/release of gases in digestive system due to low ambient pressure Alcohol consumed with food increases rate of alcohol absorption or rate of alcohol removal? Only increase alcohol absorption. Rate of alcohol removal cannot be changed. Percentage of alcohol break down in liver compared to other mechanism (including respiration, expiration and urine). 90% in liver. 10% through respiration, expiration and urine. Standard drink units of alcohol metabolised per hour in an adult male. 1 standard drink. Number of hours alcohol is present in brain after consumption. 24 hours. Recommended maximum number of standard drinks 24 hours prior to flight. 1-2 standard drinks. Maximum recommended standard drinks consumed a week for a male and female. 21-28 standard drinks for a male and 14-21 standard drinks for a female.