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Question 55-1 : When the optical image forms in front of the retina, this results in ? [ Objective UAV ]
Myopia.
Question 55-2 : Which of the following statements is correct concerning flight in an environment of low contrast fog, snow, darkness, haze ?
It is difficult to estimate the speed and the distances.
Question 55-3 : Thinking on human reliability is changing ?
Human errors are now considered as being inevitable.
Improvement of human reliability should entail an effort to understand the causes and find means of recovery for errors committed.
Question 55-4 : Learning is a long term behavioural change due to ?
Training and experience.
Question 55-5 : Which of the following statements concerning communication is valid ?
Professional communication means using a restricted and specific language that is tailored to minimise misunderstandings.
Question 55-6 : Which of the following applies when alcohol has been consumed ?
Even after the consumption of small amounts of alcohol, normal cautionary attitudes may be lost.
Question 55-7 : Which of the following statements concerning conflicts is correct ?
Conflict management involves the participation of all involved parties in finding an acceptable collective solution.
Question 55-8 : Which of the following physical stimuli may cause stress reactions.1 noise..2 conflict..3 temperature..4 an istrative problem..5 hunger...the combination of correct statements is ?
1, 3 and 5.
Conflict and istrative problem are not physical stimulis, but psychic stimulis.
Question 55-9 : During the flight of your rpas remotely piloted aircraft systems , a good decision ?
Is a choice between different options that can be considered in the time constraint adapted to the situation.
Question 55-10 : To reduce the effects of hyperventilation due to stress, you should ?
Decrease your rate and depth of breathing.
Hyperventilation reduces the carbon dioxide concentration of the blood to below its normal level because one is expiring more carbon dioxide than being produced in the body, thereby raising the blood's ph value making it more alkaline..this initiates constriction of the blood vessels which supply the brain, and preventing the transport of oxygen and other molecules necessary for the function of the nervous system...the things that cause hyperventilation can be categorised loosely into. environment. thoughts and emotions. physical illness, pain or some other type of physical stress jogging is often described as the light version of running...jogging will raise your heart rate, make you breathe harder, but will not lead to hyperventilation as the previous causes do.
Question 55-11 : Using automations to fly a drone ?
Eases his workload by using savoir faire he knows best.
Question 55-12 : What is a stressor ?
An external or internal stimulus which is interpreted by an individual as being stressful.
Question 55-13 : Describe anemic hypoxia. ?
A lack of oxygen caused by deficient oxygen transport in the blood.
The literal definition of hypoxia is low oxy..therefore, hypoxia implies a lack of sufficient oxygen for the body to operate normally. its onset is insidious and may be accompanied by a feeling of well being, known as euphoria. even minor hypoxia impairs night vision and slows reaction time...more serious hypoxia interferes with reasoning, gives rise to unusual fatigue and, finally, results in a loss of consciousness. hypoxia is classified into four different types hypoxic hypoxia, anaemic hypoxia, ischaemic hypoxia and histotoxic hypoxia. all are relevant to pilots and merit consideration. anaemic hypoxia oxygen in blood is carried by haemoglobin, which is found in red blood cells..when the red blood cell count decreases, or the haemoglobin does not function properly, less oxygen can be carried by the blood..this can occur in conditions such as heavy bleeding, some cancers, sickle cell anaemia, or carbon monoxide poisoning, to name a few...a person suffering from anaemia may notice symptoms such as breathlessness, fatigue, or chest pain, and symptoms will worsen at higher altitudes, as the effects of hypoxia and anaemia are additive.
Question 55-14 : Describe hypoxic hypoxia. ?
A lack of oxygen caused by oxygen deficiency in the lungs.
The literal definition of hypoxia is low oxy therefore, hypoxia implies a lack of sufficient oxygen for the body to operate normally. its onset is insidious and may be accompanied by a feeling of well being, known as euphoria. even minor hypoxia impairs night vision and slows reaction time. more serious hypoxia interferes with reasoning, gives rise to unusual fatigue and, finally, results in a loss of consciousness. hypoxia is classified into four different types hypoxic hypoxia, anaemic hypoxia, ischaemic hypoxia and histotoxic hypoxia. all are relevant to pilots and merit consideration. hypoxic hypoxia is the result of low oxygen levels in the bloodstream. in pilots, this most often occurs with exposure to altitude hypobaric hypoxia. at low altitudes, the partial pressure of oxygen in the atmosphere is adequate to maintain brain function at peak efficiency. atmospheric pressure and the partial pressure of oxygen both decline at higher altitudes. at 8 000 ft asl 2 440 m , some people may notice a slight increase in heart rate and speed of breathing respiratory rate. by 10 000 ft asl 3 030 m , the partial pressure of oxygen is low enough that all pilots will experience mild hypoxia and some will become symptomatic. pilots operating at this altitude or higher should be alert for unusual difficulty completing routine calculations and should take corrective action if difficulties are noted.
Question 55-15 : What is the main effect of chronic stress on a pilot ?
The pilot may not be attentive to new challenges.
Chronic stress is a result of long term conditions that we all have to face..some of can be very positive, like winning the lottery, which introduces a huge element of stress to one's life..an example of a long term negative stress situation would be divorce. we also all have cars to maintain, a house to pay for, and relationships with friends, spouses or children which can be good or bad..all of these factors produce a sort of general life stress. without it, would we have a reason to get out of bed in the morning..stress is a motivating factor, but excessive stress can be an inhibiting factor.
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