REHS EXAM LATEST UPDATE QUESTIONS

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REHS EXAM (LATEST UPDATE) QUESTIONS

AND VERIFIED ANSWERS| 100% CORRECT

|GRADE A

• A factor or agent which increases the risk of cancer is known

as a

• teratogen
• mutagen
• carcinogen
• fomite

Correct answer: carcinogen

• The four major causes of death among all age groups of

Americans include all of the following except.

• homicide
• accidents
• malignant neoplasms
• heart disease

Correct answer: homicide

• In recent years, the largest number of rabies cases were

associated with

• skunks
• bats

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• dogs
• raccoons

Correct answer: skunks

• Asbestosis is caused by fine silicate fibers retained in the
• kidneys
• lungs
• colon
• abdomen

Correct answer: lungs

• An illness due to a specific infectious agent or its toxic

product which is transmitted from a reservoir to a susceptible host either directly or indirectly is called

• an infectious disease
• a communicable disease
• a genetic disease
• a noncommunicable disease

Correct answer: a communicable disease

• Rocky mountain spotted fever is spread by
• flies

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• spiders
• cockroaches
• ticks

Correct answer: ticks

• Mycotoxins are poisonous chemicals produced by
• bacteria
• vertebrates
• viruses
• fungi

Correct answer: fungi

• The study of the occurrence, frequency, and distribution of

disease is

• entomology
• biology
• endocrinology
• epidemiology

Correct answer: epidemiology

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• Which of the following organisms are most resistant to

unfavorable environmental conditions and indicate past or possibly intermittent pollution?

• fecal streptococci
• escherichia coli
• aerobacter aerogenes
• clostridium sporulates

Correct answer: clostridium sporulates

• Engineering controls are
• controls that isolate or remove hazards from the work place
• less effective than good training
• the last option that should be considered
• less effective than personal protection processes

Correct answer: controls that isolate or remove hazards from

the workplace

• Which of the following is not considered a satisfactory

solution to the problem of chemical contamination in well systems?

• abandoning the well
• boiling the water
• building a new, properly constructed, drilled well