Lernkartei 040 HPL

Karten	82
Sprache	Deutsch
Kategorie	Technik
Stufe	Universität
Erstellt / Aktualisiert	14.06.2025 / 15.06.2025
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How is haze affecting your perception?

Haze makes the eyes to focus at infinity

Objects seem to be further away than in reality

Objects will give better contrast

Objects seem to be closer than in reality

Haze makes the eyes to focus at infinity

Objects seem to be further away than in reality

Objects will give better contrast

Objects seem to be closer than in reality

Gaseous exchange in the human body depends on:1. Diffusion gradients between the participating gases2. Permeable membranes3. Partial pressure of oxygen in the alveolus air4. Acid-base balance in the blood

Only 1 is correct

2 and 3 are false

1, 2 and 3 are correct, 4 is false

1, 2, 3 and 4 are correct

Only 1 is correct

2 and 3 are false

1, 2 and 3 are correct, 4 is false

1, 2, 3 and 4 are correct

Between which components is an interface mismatch responsible for deficiencies in conceptual aspects of warning systems (Shell-Model)?

Liveware - Environment

Liveware - Hardware

Liveware - Software

Liveware - Liveware

Liveware - Environment

Liveware - Hardware

Liveware - Software

Liveware - Liveware

At an altitude where the pressure is half of that at sea level a person will have to:

Breathe pure oxygen

Breathe slow to avoid hypoxia

Use supplementary oxygen

Breathe pressurized oxygen

Breathe pure oxygen

Breathe slow to avoid hypoxia

Use supplementary oxygen

Breathe pressurized oxygen

Hypoxia will affect night vision

And causes the autokinetic phenomena

At 5'000 ft

And causes hyperventilation

Less than day vision

And causes the autokinetic phenomena

At 5'000 ft

And causes hyperventilation

Less than day vision

To prevent the "autokinetic phenomena", the following can be done:

Turn down cabin light and shake head simultaneously

Fixate the source of light, first with one eye, then with the other

Look sideways to the source of light for better fixation

Look out for additional references inside and/or outside the cockpit using peripheral vision also

Turn down cabin light and shake head simultaneously

Fixate the source of light, first with one eye, then with the other

Look sideways to the source of light for better fixation

Look out for additional references inside and/or outside the cockpit using peripheral vision also

The mechanism of accommodation is caused by the...

functioning of the muscles of the eye

functioning of the ciliary muscle around the lens

elasticity of the optic nerves

diameter of the pupil

functioning of the muscles of the eye

functioning of the ciliary muscle around the lens

elasticity of the optic nerves

diameter of the pupil

The body must have an adequate concentration of glucose to serve as an energy source. Which of the following statements is correct:

The liver stores glucose and releases glycogen into the blood-stream.

If blood sugar level falls the individual may become hyperglycaemic.

Hypoglycaemia and hypoxia are closely related.

Hypoglycaemia can cause weakness and in severe cases fainting.

The liver stores glucose and releases glycogen into the blood-stream.

If blood sugar level falls the individual may become hyperglycaemic.

Hypoglycaemia and hypoxia are closely related.

Hypoglycaemia can cause weakness and in severe cases fainting.

The ability of the lens to change its shape is called:

Adaptation

Depth perception

Accomodation

Binocular vision

Adaptation

Depth perception

Accomodation

Binocular vision

Breathing 100% oxygen at 38'000 ft is equivalent to breathe ambient air at:

8'000 ft

18'000 ft

14'000 ft

10'000 ft

8'000 ft

18'000 ft

14'000 ft

10'000 ft

The momentum of gas exchange in respiration is

The excess pressure caused by inhaling.

Depending on the active transportation of nitrogen into the alveoli.

Dependent on the pressure gradient between the participating gases during respiration.

Independent from the partial pressures of the participating gases.

The excess pressure caused by inhaling.

Depending on the active transportation of nitrogen into the alveoli.

Dependent on the pressure gradient between the participating gases during respiration.

Independent from the partial pressures of the participating gases.

Illusions can often be experienced during flight. One such illusion is created by strong forward linear acceleration. This phenomenon is called:

Coriolis

Somatogravic or oculogravic

Autokinesis

Oculogyral or leans

Coriolis

Somatogravic or oculogravic

Autokinesis

Oculogyral or leans

Hypoxia affects visual performance. A pilot may:

Have a reduction of 25% in visual acuity at 8'000 ft AGL

Get colour blindness accompanied by severe headache

Be unable to maintain piercing vision below 5'000 ft AGL

Get blurred and/or tunnel vision

Have a reduction of 25% in visual acuity at 8'000 ft AGL

Get colour blindness accompanied by severe headache

Be unable to maintain piercing vision below 5'000 ft AGL

Get blurred and/or tunnel vision

A common phenomenon of hypoxia and hyperventilation is

Hypotension of the muscles

Shortness of breath

Impaired judgment and self criticism

Tingling sensation of arms and legs

Hypotension of the muscles

Shortness of breath

Impaired judgment and self criticism

Tingling sensation of arms and legs

In the absence of external reference points, the sensation that the vehicle in which you are sitting is moving when it is in fact the vehicle directly alongside which is moving is called:

Illusion of relative movement

Somato-gravic illusion

Autokinetic illusion

Cognitive illusion

Illusion of relative movement

Somato-gravic illusion

Autokinetic illusion

Cognitive illusion

The cabin pressure in airline operation is

Always equivalent to sea level

Normally not exceeding 2'000 ft to 3'000 ft

Normally not exceeding 4'000 ft to 5'000 ft

Normally not exceeding 6'000 ft to 8'000 ft

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

Always equivalent to sea level

Normally not exceeding 2'000 ft to 3'000 ft

Normally not exceeding 4'000 ft to 5'000 ft

Normally not exceeding 6'000 ft to 8'000 ft

What is astigmatism?

The inability to focus different meridians simultaneously

Can not see one or more colour

Can not focus well on an object far away

Reduced vision of only one eye

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

The inability to focus different meridians simultaneously

Can not see one or more colour

Can not focus well on an object far away

Reduced vision of only one eye

What is rhodopsin? It is a chemical...

called visual purple which sometimes is present in rod cells

always present in rod cells

sometimes present in cone cells

called visual purple always present in cone cells

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

called visual purple which sometimes is present in rod cells

always present in rod cells

sometimes present in cone cells

called visual purple always present in cone cells

Of the following statements concerning circadian rhythms, which is true?

Sensorimotor performance is better in the morning whereas intellectual performance is better in the evening

Sensorimotor and intellectual performance are better in the morning and are sensitive to sleep duration

Sensorimotor performance is better in the evening whereas intellectual performance is better in the morning

Sensorimotor and intellectual performance are better in the evening and sensitive to the waking period

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

Sensorimotor performance is better in the morning whereas intellectual performance is better in the evening

Sensorimotor and intellectual performance are better in the morning and are sensitive to sleep duration

Sensorimotor performance is better in the evening whereas intellectual performance is better in the morning

Sensorimotor and intellectual performance are better in the evening and sensitive to the waking period

Regarding arousal, which of the following statements is wrong?

A very low level of arousal can be dangerous

A medium level of arousal can be dangerous

A very high level of arousal will always lead to too quick and timely decisions

A low level of arousal is often accompanied by low body temperature

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

A very low level of arousal can be dangerous

A medium level of arousal can be dangerous

A very high level of arousal will always lead to too quick and timely decisions

A low level of arousal is often accompanied by low body temperature

Check the following statements:1. A person experiencing sleep loss is unlikely to be aware of personal performance degradation2. Performance loss may be present up to 20 minutes after awaking from a short sleep (nap)

1 is correct 2 is false

1 is false 2 is correct

1 and 2 are both correct

1 and 2 are both false

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

1 is correct 2 is false

1 is false 2 is correct

1 and 2 are both correct

1 and 2 are both false

The three coats of the eye are

Cornea, lens, vitreous humor

Sclera, uvea, retina

Optic nerve, retina, blind spot

Ciliary body, iris, pupil

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

Cornea, lens, vitreous humor

Sclera, uvea, retina

Optic nerve, retina, blind spot

Ciliary body, iris, pupil

One of the most frequent symptoms of decompression sickness is

Are the chokes

Are the bends

Are neurological damages to the CNS

Is a shock

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

Are the chokes

Are the bends

Are neurological damages to the CNS

Is a shock

Which of the following applies to carbon monoxide poisoning?

A very early symptom for realising carbon monoxide poisoning is euphoria

Inhaling carbon monoxide leads to hyperventilation

The human body shows no sign of carbon monoxide poisoning

Several days are needed to recuperate from a carbon monoxide poisoning

Keyboard commands:

= turn,

= for-/backward,

= scroll

A very early symptom for realising carbon monoxide poisoning is euphoria

Inhaling carbon monoxide leads to hyperventilation

The human body shows no sign of carbon monoxide poisoning

Several days are needed to recuperate from a carbon monoxide poisoning

Which of the following symptoms can mark a beginning hyperventilation?

Slow rate of breathing

Cyanosis (blueing of lips and finger nails)

Dizzy feeling

Slow heart beat

Keyboard commands:

= turn,

= for-/backward,

= scroll

Slow rate of breathing

Cyanosis (blueing of lips and finger nails)

Dizzy feeling

Slow heart beat

The errors resulting from irrational indexing in an operations manual are a mismatch between

Liveware - Environment

Liveware - Hardware

Liveware - Liveware

Liveware - Software

Liveware - Environment

Liveware - Hardware

Liveware - Liveware

Liveware - Software

The retina allows for

The acquisition of the visual signal and its coding into physiological data

The analysis of visual signals

Binocular vision

The acquisition of the visual signal and the accommodation process

The acquisition of the visual signal and its coding into physiological data

The analysis of visual signals

Binocular vision

The acquisition of the visual signal and the accommodation process

What is the function of the retina in the eye?

Is the muscle, changing the size of the crystalline lens

Only regulates the light that falls into the eye

Is the light-sensitive inner lining of the eye containing the photoreceptors essential for vision

Filters the UV-light

Is the muscle, changing the size of the crystalline lens

Only regulates the light that falls into the eye

Is the light-sensitive inner lining of the eye containing the photoreceptors essential for vision

Filters the UV-light

Why can hyperventilation cause unconsciousness?

Oxygen saturation of the blood is increased and the brain will be supplied with more blood than normal

Not enough time is left to exchange oxygen in the lungs

Blood circulation to the brain is slowed down due to vasoconstriction in the brain

Oxygen saturation of the blood is decreased

Oxygen saturation of the blood is increased and the brain will be supplied with more blood than normal

Not enough time is left to exchange oxygen in the lungs

Blood circulation to the brain is slowed down due to vasoconstriction in the brain

Oxygen saturation of the blood is decreased

What is the cornea?

The source of the day blind spot

The lens of the eye

Optic eye discs

A clear portion of the eye where the light passes through

The source of the day blind spot

The lens of the eye

Optic eye discs

A clear portion of the eye where the light passes through

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