Question 1

What has research to date indicated about the use of cellphones and the risk of brain cancer?

Accepted Answer

A)   Cancer risk is unclear.
B)   Cancer risk varies with gender.
C)   Cancer risk varies with age of the cellphone.
D)   Cancer risk varies with amount of usage.E) All of the above
F) None of the above

Question 2

Akanksha is a dental hygienist who cleans patient's teeth for 35 hours a week. What is the most realistic way of minimizing segmental vibration from the electric polishing brush?

Accepted Answer

A)   using a manual polishing brush
B)   reducing the number of patients that she sees
C)   loosening her grip on the polishing brush
D)   adding padding to the handle of the brushE) A) and C)
F) B) and D)

Question 3

Marlee is a hard-of-hearing worker in a candy factory. Her supervisor can assume that she does not need the same types of hearing protection as the other workers.

Accepted Answer

A) True 
 B)False

Question 4

What type of non-ionizing radiation is more likely to cause damage to the retina of the eye?

Accepted Answer

A)   high-energy X-rays
B)   far infrared radiation
C)   short ultraviolet radiation
D)   long ultraviolet radiationE) None of the above
F) A) and B)

Question 5

Ear muffs are more costly but more comfortable than earplugs.

Accepted Answer

A) True 
 B)False

Question 6

In the equation for thermal stress, what does the character M stand for?

Accepted Answer

A)   body mass
B)   metabolic heat production
C)   metabolism
D)   mechanical energyE) All of the above
F) A) and B)

Question 7

The eye is the primary organ at risk from ionizing radiation.

Accepted Answer

A) True 
 B)False

Question 8

As their popularity increases, the move from playing in small clubs to playing in large stadiums can produce tinnitus for band members if they are not careful.

Accepted Answer

A) True 
 B)False

Question 9

The effect of noise exposure in the workplace is measured using what type of device?

Accepted Answer

A)   dosimeter
B)   audiometer
C)   octave band analyzer
D)   sound pressure level meterE) B) and C)
F) A) and B)

Question 10

In what three ways can noise affect humans?

Accepted Answer

A)   cognitive effects, sensorineural damage, and sociological effects
B)   physiological damage, physiological effects, and psychological effects
C)   sociological damage, psychological effects, and sensorineural damage
D)   physiological effects, sociological effects, and cognitive damageE) None of the above
F) A) and C)

Question 11

If a roofer is suffering from hyperpyrexia after installing replacement shingles for eight hours in the hot sun their skin will be dry and tight.

Accepted Answer

A) True 
 B)False

Exam 5: Physical Agents

The effect of noise exposure in the workplace is measured using what type of device?

Correct Answer
verified

The eye is the primary organ at risk from ionizing radiation.

Correct Answer
verified

Marlee is a hard-of-hearing worker in a candy factory. Her supervisor can assume that she does not need the same types of hearing protection as the other workers.

Correct Answer
verified

What has research to date indicated about the use of cellphones and the risk of brain cancer?

Correct Answer
verified

Akanksha is a dental hygienist who cleans patient's teeth for 35 hours a week. What is the most realistic way of minimizing segmental vibration from the electric polishing brush?

Correct Answer
verified

In what three ways can noise affect humans?

Correct Answer
verified

As their popularity increases, the move from playing in small clubs to playing in large stadiums can produce tinnitus for band members if they are not careful.

Correct Answer
verified

In the equation for thermal stress, what does the character M stand for?

Correct Answer
verified

Ear muffs are more costly but more comfortable than earplugs.

Correct Answer
verified

If a roofer is suffering from hyperpyrexia after installing replacement shingles for eight hours in the hot sun their skin will be dry and tight.

Correct Answer
verified

What type of non-ionizing radiation is more likely to cause damage to the retina of the eye?

Correct Answer
verified

Exam 5: Physical Agents

The effect of noise exposure in the workplace is measured using what type of device?

Correct AnswerverifiedShow Answer

The eye is the primary organ at risk from ionizing radiation.

Correct AnswerverifiedShow Answer

Marlee is a hard-of-hearing worker in a candy factory. Her supervisor can assume that she does not need the same types of hearing protection as the other workers.

Correct AnswerverifiedShow Answer

What has research to date indicated about the use of cellphones and the risk of brain cancer?

Correct AnswerverifiedShow Answer

Akanksha is a dental hygienist who cleans patient's teeth for 35 hours a week. What is the most realistic way of minimizing segmental vibration from the electric polishing brush?

Correct AnswerverifiedShow Answer

In what three ways can noise affect humans?

Correct AnswerverifiedShow Answer

As their popularity increases, the move from playing in small clubs to playing in large stadiums can produce tinnitus for band members if they are not careful.

Correct AnswerverifiedShow Answer

In the equation for thermal stress, what does the character M stand for?

Correct AnswerverifiedShow Answer

Ear muffs are more costly but more comfortable than earplugs.

Correct AnswerverifiedShow Answer

If a roofer is suffering from hyperpyrexia after installing replacement shingles for eight hours in the hot sun their skin will be dry and tight.

Correct AnswerverifiedShow Answer

What type of non-ionizing radiation is more likely to cause damage to the retina of the eye?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified