human performance chap4

The ANS is a biological control system which is neurohormonal and, like others, is not self-regulating in normal circumstances.

• True

• False

The conductive system consists of:

• the cochlea and eustachian tube

• the semicircular canals and otoliths

• the ear drum and ossicles

• the cochlea and the mitus

The PNS comprises:

• only reaction nerves

• sensory and reaction nerves

• the sensory and motor nerves

• reaction and motor nerves

The frequency band that a healthy young person can hear is

• 80 - 20 000 cycles per second

• 70 - 15 000 cycles per second

• 20 - 20 000 cycles per second

• 500 - 15 000 cycles per second

Vertigo can be caused by a blocked eustachian tube.

• True

• False

Decibels increase:

• in terms of a logarithm

• in terms of integrals

• in terms of increments

• linearly

Another name for “the leans” is:

• the somatogyral illusion

• ocular disorientation

• the somatogravic illusion

• the oculogravic effect

Presbycusis is an impairment of hearing due to:

• damage to the semicircular canals

• damage to the semicircular canals

• Age

• damage to the cochlea

If a steady turn is being maintained, then a sudden movement (greater than about ................) may cause a phenomena known as the coriolis effect:

• 4° a second

• 2° a second

• 3° a second

• 5° a second

The vegetative system is another name for the

• CNS

• ANS

• sense receptors

• sense receptors