HPL 2020 Exam Feedback 2 (pre PT)

Question 1

In the case of fire in flight most fatalities are caused by

a.burns

b.cardiac arrest caused by stress and fear

c.inhalation of hydrogen fumes

d.suffocation from fumes caused by aircraft furnishing and wiring

Answer 1

d.suffocation from fumes caused by aircraft furnishing and wiring

Question 2

During a long-haul flight a passenger complains of feeling alternately hot and cold, anxious, dizzy with tingling in the fingertips and is breathing rapidly. They are most likely suffering from:

a.hyperventilation

b.hypoxic hypoxia

c.cyanosis

d.hypotension

Answer 2

a.hyperventilation

Question 3

With the low humidity environment in aircraft it is important for pilots to keep hydrated. water helps the body to

Answer 3

[absorb nutrients]

Question 4

Internal respiration is the absorption of oxygen in

a.the alveoli

b.the cells

c.the lungs

d.the heart

Answer 4

b.the cells

Question 5

Some of the typical symptoms of decompression sickness are:

a.tingling, dry cough, the bends, dizziness

b.high blood pressure, the chokes and depression

c.low blood pressure, the chokes and a high temperature

d.feeling cold, disturbance of consciousness and depression

Answer 5

a.tingling, dry cough, the bends, dizziness

Question 6

A pilot experiencing gradual exposure to high positive radial acceleration is likely to first be affected by

Answer 6

[grey‑out]

Question 7

Presbycusis is a hearing impairment caused by

Answer 7

[age].

Question 8

The circadian rhythm will resynchronize to local time after [ ] days when crossing time zones changing by [ ] hours.

Answer 8

[1] [1 ‑ 1.5]

Question 9

The body typically eliminates alcohol from its system at a rate of [ ] units per [ ]

Answer 9

[1] [hour]

Question 10

The rate and depth of breathing is primarily controlled by the level of [ ] in the blood.

Answer 10

[carbon dioxide]

Question 11

For operational pilots requiring prescription medication, which of the following statements apply?

1. Flying under medication is prohibited by law
2. Medication to treat a disqualifying medical condition is permitted
3. At high altitude the body may react differently to medication
4. The effects of medication may endure beyond the period over which it is being administered

a.Only 2 and 3 are correct

b.Only 1 and 4 are correct

c.Only 2, 3 and 4 are correct

d.Only 1, 2 and 3 are correct

Answer 11

c.Only 2, 3 and 4 are correct

Question 12

Stimuli must be of certain strength for the sensory receptors to pick them up and a message to be initiated. This minimum strength is known as [ ].

Answer 12

[sensory threshold]

Question 13

The term ‘cardiac output’ describes the quantity of blood pumped around the body in a given time and is determined by [ ] and [ ].

Answer 13

[stroke volume] [heart rate]

Question 14

In a modern commercial jet airliner the ambient cabin pressure is normally maintained at between [ ] and [ ].

Answer 14

[6000ft] [8000ft]

Question 15

Which of the following is an effect of positive acceleration along the Gz axis?

a.A decrease in the amount of blood reaching the brain

b.An increase in blood pressure in the upper part of the body

c.A deterioration in vision causing everything to appear red

d.A decrease in blood pressure in the lower part of the body and pooling of blood above the heart

Answer 15

a.A decrease in the amount of blood reaching the brain

Question 16

Carbon dioxide

a.is a normal product of internal respiration

b.is approximately 13% of ambient air at FL180

c.is increased in the blood and brain during hyperventilation

d.may reach toxic levels in the flight deck due to incomplete fuel combustion

Answer 16

a.is a normal product of internal respiration

Question 17

A pilot flying at high altitude in a cloudless sky can commonly experience [ ] as the natural focus of the eye at rest is [ ].

Answer 17

[empty field myopia]
[1 ‑ 2 metres]

Question 18

Physical exercise in high temperatures or tropical climates may

a.cause the pilot to collapse due to excess bodily fluids

b.increase a pilot’s resistance to decompression sickness

c.cause dysentry

d.cause painful muscle and abdominal cramps

Answer 18

d.cause painful muscle and abdominal cramps

Question 19

The volume percentage of oxygen in the atmosphere is 21% and

a.decreases with increasing altitude

b.is dependent on the present air pressure

c.is constant at all altitudes for conventional aircraft

d.increases with increasing altitude

Answer 19

c.is constant at all altitudes for conventional aircraft

Question 20

An individual suffering from hypoxia may first exhibit symptoms of [ ] then
[ ] followed by [ ].

Answer 20

[euphoria]
[blueness of the lips and finger nails]
[loss of conscience]