RS Exam Questions & Answers Correct 100%

The infection reservoir for arthropod-borne viral encephalitis is generally accepted to be: - Answer birds The First Methodist Church of Axton had an election banquet on Sunday night at 6pm. 37 people attended. On Monday afternoon, approximately 3pm, 2 people began experiencing vertigo, headache, diplopia and some nerve paralysis. You would suspect: - Answer Clostridium botulinum. Which microorganism is commonly associated with skin rashes and contamination in whirlpools? - Answer Pseudomonas aeruginosa If swimmers in a particular swimming pool complained of extreme eye irritation, the cause would probably be: - Answer improper pH value Human infectious diseases transmitted through milk include: - Answer tuberculosis, brucellosis, and Q fever. Rodents are a public health problem because they may carry a number of diseases. The following diseases are associated with rodents: - Answer leptospirosis, salmonellosis, and plague. Brucellosis (Undulant fever, Malta fever, Mediterranean fever, Bangs disease) is not caused by: - Answer Brucella verona The infection reservoir for arthropod-borne viral encephalitis is generally accepted to be: birds. - Answer The First Methodist Church of Axton had an election banquet on Sunday night at 6pm. 37 people attended. On Monday afternoon, approximately 3pm, 2 people began experiencing vertigo, headache, diplopia and some nerve paralysis. You would suspect: Clostridium botulinum. - Answer Which microorganism is commonly associated with skin rashes and contamination in whirlpools? Pseudomonas aeruginosaIf swimmers in a particular swimming pool complained of extreme eye irritation, the cause would probably be: improper pH value - Answer 5. - Answer Human infectious diseases transmitted through milk include: tuberculosis, brucellosis, and Q fever. 6. - Answer Rodents are a public health problem because they may carry a number of diseases. The following diseases are associated with rodents: leptospirosis, salmonellosis, and plague. 7. - Answer Brucellosis (Undulant fever, Malta fever, Mediterranean fever, Bangs disease) of caused by: Brucella abortus, Brucella melitensis, Brucella suis 8. - Answer Refuse collection frequency depends largely on the length of time required for fly eggs to mature through the larval stages into adults. Under optimum summer temperatures, maturation time is 7 to 10 days. 9. - Answer Which of the clinical forms of plague are the least fatal? Bubonic, lymphatic involvement 10. - Answer Which of the following statements is true of radiation? Damage to cells by radiation is repairable. 11. - Answer The ionizing of electromagnetic radiation forms may be found at: greater than 1016 Hz. 12. - Answer Which of the following is not one of the common deficiencies found in hospital radiography? Useful beam and scatter radiation passing through window and into occupied regions nearby. 13. - Answer In producing a noise-induced permanent threshold shift, ________ is the least important factor involved. The work shift of the employee 14. - Answer Which of the following effects best characterizes the influence of ozone on humans? A thickening of small pulmonary arteries is induced, leading to chronic pulmonary disease, emphysema, and right heart failure. 15. - Answer A controversial hormone is used in animal feed to hasten fattening of meat producing animals. The name of this hormone is: diethylstilbesterol 16. - Answer After eating at a nearby restaurant, a person complains of burning sensations in the neck and abdomen and pressure over the face and chest. What is the best indication of the cause of illness? Chemical additives used in the food 17. - Answer What toxic substance found in well water is based on maximum concentration and annual, average, daily air temperature? Fluoride 18. - Answer Which of the following groups would you expect to exhibit the highest incidence of Echinococcus granulosus infection? Shepherds in the Southwest 19. - Answer A fume is best described as: metal oxides (solid particles) 20. - Answer Workers in dental offices may receive significant exposures to what systemic poison? Mercury vapor 21. - Answer The effects of exposure to radiation are: accumulative 22. - Answer The table below summarizes food history attack rates from a foodborne outbreak. What is the attack rate (%) for Group A for those eating barbeque sauce? Barbeque sauce: persons positive 59 persons not positive 12 total persons 71, the attack rate is 83.1% 23. - Answer From the preceding table, identify the food that is most suspect? Barbeque sauce 24. - Answer Average date of onset? 25. - Answer If other epidemiologic and diagnostic data leads you to suspect typhoid fever as the etiologic agent, what day would be the average day of exposure? 11th 26. - Answer Case histories of serious toxic chemical contamination are becoming increasingly common. Which are properly matched : Kepone-1975 Virginia; PBB-1976 Michigan; Carbon tetrachloride-Love Canal NY. Which is not properly matched? Methyl lead-Minimata Bay Japan 27. - Answer Which of the following groups would be likely to have the highest incidence of hookworm infestation? Sharecroppers in Alabama 28. - Answer Most accidents around swimming pools involve: cuts and abrasions 29. - Answer Which of the following types of development contributes to urban sprawl and overextends public utilities? Leapfrog development 30. - Answer The bacterial contamination of oysters and shellfish is increasing due to what primary factor? An increase in dumping of municipal wastewater into coastal waters. 31. - Answer Which of the following is not an organic phosphorus insecticide? Sevin 32. - Answer Automobiles are the major emitters of: oxides of nitrogen, hydrocarbons, and carbon monoxide. 33. - Answer A nosocomial infection is: acquired after admission and diagnosed before or after discharge. 34. - Answer In most cases, the ______ have been removed from leachate from a solid waste disposal site that has filtered through soil. Bacteria 35. - Answer If the proper chlorine level is not maintained, a water supply could serve as a mode of transmission for disease. Which are likely to be transmitted? Typhoid, paratyphoid, and hepatitis. Which is not? Diptheria