CH5 quiz questions Flashcards
list jobs w oscillatory vibration exposure
construction, weapon firing range, manufacturing, truck driving, entertaining
what is audiometry
test hearing ability thro different frequencies
what is dosimetry
use of body-worn instrument to monitor noise exposure
what is an area survey and an engineering survey
area- measure environmental noise levels, plot on map
engineering- assess options for applying engineering controls to noisy machinery
severity of vibrations depends on its ___ and ___
magnitude and frequency
leading form of occupation illness
noise-induced hearing loss
gamma rays are ionizing radiation and part of the
electromagnetic spectrum
define radiation
energy traveling thro space
why ionizing radiation is dangerous
creates ionz, damages tissue, increases risk of cancer
how severe radiation is depends on
time of exposure, distance from source, degree of radioactivity over material
symptoms of heat stroke and heat exhaustion
stroke- high body temp, convulsions, red dry skin
exhaustion- dizzy, headache, weakness, nausea
jobs that work in hypobaric environments
reduced pressure atmosphere of HIGH altitudes; astronomers, miners, astronauts
late symptoms of hypothermia
NO shivering (early symptom), blue skin, dilated pupils, slow pulse/breathing, loss of consciousness
