Occupational Hygiene

Question 1

What units are used to measure visible light

Answer 1

Foot-candles

Question 2

WBGTout

Answer 2

0.7TWB +0.2TG+0.1TDB

Question 3

WBGTin

Answer 3

0.7TWB +0.3TG

Question 4

Why is exposure to LASER light so dangerous for the eye?

Answer 4

Lasers produce a non-diffuse light beam which is further focused by the lens of the eye on the retina causing damage

Question 5

three bones of the middle ear called?

Answer 5

Malleus, incus and stapes

Question 6

What are the three heath effects associated with mould exposure

Answer 6

Infection, poisoning and allergy

Question 7

Which of the following is the highest biological hazard?

Answer 7

BSL4

Question 8

What is the principle means of containment of biohazardous agents?

Answer 8

Biological safety cabinets

Question 9

Which of these are types of typical skin exposure?

Answer 9

Biological, chemical, mechanical and physical

Question 10

What is the critical parameter in the design of a local exhaust hood?

Answer 10

The face velocity of air into the hood

Question 11

How often should air sampling instruments be calibrated?

Answer 11

Before and after use

Question 12

What method is typically used to evaluate biological exposures?

Answer 12

Collection of clinical specimens

Question 13

Personal-integrated sampling

Answer 13

noise dosimeter is worn by a worker for a full work shift