Human Overload and Underload

Question 1

Stress inducing factors are referred to as -

And are generally placed in three categories -

Answer 1

Stressors

1. Physical
2. Physiological
3. Emotional

Question 2

Little or no stress leads to a drop in -

As stress begins to rise, so does -

But only up to the optimum point which is referred to as the -

Answer 2

vigilance which is accompanied by poor performance

Performance

Break point

Question 3

The Autonomic Nervous System(ANS), is responsible for the body’s automatic, or essential functions such as breathing, heart rate, digestion and many more, over which we have no direct or conscious control. It is this system which is responsible for the body’s homeostatic status. The ANS comprises two division:

Answer 3

1. The sympathetic nervous system

2. The parasympathetic nervous system.

Question 4

Which division of the ANS:

The human response to sudden demands is almost instinctive and is often referred to as the “flight or flight” response, a function of this system, which is responsible for providing the body with additional resources necessary to deal with a real or imagined sudden source of stress.

Answer 4

The sympathetic nervous system

Question 5

Which division of the ANS:

This system is responsible for relaxing, or calming the body down returning it to normal operation once the stress has been dealt with.

Answer 5

The parasympathetic nervous system

Question 6

The reaction to stress comprises three stages, knows as the General Adaptation Syndrome(GAS):

Answer 6

1. The alarm stage
2. The resistance stage
3. The exhaustion stage

Question 7

The immediate reaction to a stressor is to either confront it or flee from it, commonly referred to as the “flight or fight” response. This will be trigger by the -

Answer 7

Sympathetic Nervous System

Question 8

The body enters a recovery cycle and starts to repair damage either physiologically or by adapting to the new situation(learning to cope) after the alarm stage. This is trigger by the -

Answer 8

Parasympathetic nervous system

Question 9

If the body is continually subjected to a stressor it will remain in the alarm stage for a prolonged period of time. Aviation related examples include bad weather experiences without an instrument rating, concern over the reliability of the engine or insufficient fuel. A prolonged alarm conditions means that the body may eventually be unable to keep up with the demands leading to the -

Answer 9

Exhaustion stage

Question 10

The sympathetic nervous system will be active during the -

Answer 10

Alarm Stage

Question 11

The parasympathetic nervous system will active during the -

Answer 11

resistance stage