A local physician has admitted a patient for hospital treatment of a sudden febrile illness with nausea and an elevated white blood cell count. The patient is known to have gone camping one week before onset of illness, and friends report that the patient fed chipmunks while camping. The physician’s preliminary diagnosis is plague. What should the environmental health specialist look for?
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A recent outbreak of Rocky Mountain spotted fever was report…
A recent outbreak of Rocky Mountain spotted fever was reported among children attending a local summer camp. A necessary action to be taken at the campsite would be to:
The isolation of a person who has potentially been exposed t…
The isolation of a person who has potentially been exposed to a communicable disease for the period of communicability under conditions designed to prevent the spread of disease is known as
A key factor in the control and prevention of food borne ill…
A key factor in the control and prevention of food borne illnesses is the individual food handler who is
What disease vector is responsible for dengue fever?
What disease vector is responsible for dengue fever?
Removal of soluble substances and water from the blood by di…
Removal of soluble substances and water from the blood by diffusion through a semipermeable membrane; separation of cellular elements and colloids from soluble substances is achieved by pore size in the membrane and rates of diffusion
During the 2nd week of February, 87 people from a small comm…
During the 2nd week of February, 87 people from a small community (population 460) attended a social event, which included a meal prepared by several of the participants. Within 3 days, 39 of the participants became ill with salmonellosis. The attack rate in the participants was:
Complete soil treatment of septic tank effluent includes all…
Complete soil treatment of septic tank effluent includes all of the following except
An instrument used to cut and coagulate tissue piece by piec…
An instrument used to cut and coagulate tissue piece by piece. It is used in conjunction with endoscopic procedures to remove tumors or other tissue, such as the prostate.
Which of the following treatment devices generally produces…
Which of the following treatment devices generally produces effluent with the lowest suspended solids?