Question

QUESTION 22

1. Which of the following observational designs is used for hypothesis testing?

   	A.	Prevalence studies
   	B.	Cohort studies
   	C.	Counts
   	D.	Case series
   	E.	Cross-sectional studies

2 points   

QUESTION 23

1. Aksoy found which of the following solvents to be associated with leukemia?

   	A.	Formaldehyde
   	B.	Toluene
   	C.	MEK
   	D.	Benzene
   	E.	Vinyl chloride

2 points   

QUESTION 24

1. During the early 21st century, the CDC reported that increased risk of developing obliterative bronchiolitis was associated with inhalation of:

   	A.	diesel exhaust.
   	B.	diacetyl.
   	C.	inorganic arsenic.
   	D.	antineoplastic drugs.
   	E.	styrene.

2 points   

QUESTION 25

1. A measure of radiation dose related to biological effect is the:

   	A.	curie or becquerel.
   	B.	rad or gray.
   	C.	rem or sievert.
   	D.	roentgen or coulomb per kilogram.
   	E.	None of these is correct.

2 points   

QUESTION 26

1. The most common route of exposure to BBF is:

   	A.	via mucous membranes.
   	B.	percutaneous exposures.
   	C.	bites.
   	D.	through non-intact skin.
   	E.	None of these is correct.

2 points   

QUESTION 27

1. The zoonotic disease trichinosis is connected with which of the following host animals?

   	A.	Chickens and ducks
   	B.	Sheep and goats
   	C.	Swine
   	D.	Reptiles
   	E.	A and C

2 points   

QUESTION 28

1. Employees most likely to be infected with WNV are those who:

   	A.	consume food prepared by an infected person.
   	B.	treat patients infected with WNV.
   	C.	work indoors in damp environments.
   	D.	work outdoors while trimming plants.
   	E.	All of these are correct.

2 points   

QUESTION 29

1. Which BSL is appropriate for working with Ebola and Marburg viruses?

   	A.	BSL-1
   	B.	BSL-2
   	C.	BSL-3
   	D.	BSL-4
   	E.	A and B

2 points   

QUESTION 30

1. Diseases caused by protozoal agents include all of the following except:

   	A.	cryptosporidiosis.
   	B.	malaria.
   	C.	E. coli infections.
   	D.	giardiasis.
   	E.	amebiasis.

2 points   

QUESTION 31

1. Which of the following is an example of a pneumoconiosis?

   	A.	Asbestosis
   	B.	Byssinosis
   	C.	Silicosis
   	D.	Black lung disease
   	E.	All of these are correct

2 points   

QUESTION 32

1. The most common form of occupational lung disease is:

   	A.	pneumoconiosis.
   	B.	hypersensitivity pneumonitis.
   	C.	sick building syndrome.
   	D.	work-related asthma.
   	E.	None of these is correct.

2 points   

QUESTION 33

1. According to the American Cancer Society, the largest percentage of cancer deaths related to environmental factors (as opposed to hereditary factors) results from:

   	A.	a combination of poor nutrition, physical inactivity, and obesity.
   	B.	smoking.
   	C.	occupational exposures.
   	D.	environmental pollutants.
   	E.	None of these is correct.

2 points   

QUESTION 34

1. Which of the following agents is a cause of occupational asthma?

   	A.	Animal proteins
   	B.	Latex
   	C.	Fungal amylase
   	D.	Reactive dyes
   	E.	All of these are correct.

2 points   

QUESTION 35

1. Lymphatic and hematopoietic cancers are not thought to be associated with exposures to:

   	A.	benzene.
   	B.	herbicides.
   	C.	sunlight.
   	D.	insecticides.
   	E.	radiation.

2 points   

QUESTION 36

1. An occupational injury or work-related injury refers to damage inflicted to the body by energy transferred during work with a duration between exposure and health event of less than:

   	A.	12 hours.
   	B.	24 hours.
   	C.	48 hours.
   	D.	72 hours.
   	E.	None of these is correct.

2 points   

QUESTION 37

1. The leading cause of death for farm workers (1992 to 2009) was:

   	A.	pesticide poisoning.
   	B.	worker-on-worker violence.
   	C.	tractor overturns.
   	D.	excessive heat exposure (hyperthermia).
   	E.	None of these is correct.

Answer 1

Answer:

22. E. Cross- sectional studies

23. D. Benzene

24. E. Styrene

25. C. Rem or sievert