REHS Exam Questions with 100% Correct Answers | Verified 2024

REHS Exam Questions with 100% Correct Answers | Verified 2024 What is the most common mosquito borne disease in the USA today? - answerEncephalitis What is the primary vector and the infectious agent for Eastern Equine Encephalitis? - answerCulisita species mosquito; Viral What is the primary vector for St. Louis Encephalitis, Western Equine Encephalitis, and West Nile Virus? - answerCulex species mosquito Name the disease caused by Borrelian burgdorferi, symptoms, the wound type, & incubation period. - answerLyme Disease(meningopolyneuritis);Wound: red spot or bump expanding annularly to ring/bulls eye pattern from tick bite(vector found on Deer, wild rodents); Incubation: 3 to 32 days; fever, fatigue, headache, chronic stiff/painful muscles & joints What is the primary vector, reservoir & incubation period for Yellow Fever? - answerMode of transmission (vector):Aedes species mosquito; Rsvr: Humans, Aedes aegypti, monkeys; Incubation:3-6 Days. What are the primary vectors for Endemic (Murine) Typhus, Epidemic Typhus, and Scrub Typhus? - answerEndemic: Rat flea, Xenopsylla cheopis; Epidmemic: Body lice, Pediculus humanus; Scrub: bite of infected larval mites Name the specific agent responsible for Endemic Typhus, Epidemic Typhus, and Scrub Typhus. - answerEndemic: Rickettsia typhi (R. mouseri); Epidemic: Rickettsia prowazeki; Scrub: Rickettsia tsutsugamushi Which vertebrates can transmit rabies to human? Which 2 species are the most important reservoir hosts? What is typical incubation in humans? - answerRaccoon, skunks, bats, foxes, dogs, cats, coyotes; Primary reservoir host = bats (from bite or inhaling urine); Secondary reservoir host = skunks; 3-8 weeks What is the bird dieases that affects man? - answerOrnithosis What does a positive blue ring test in milk indicate? - answerBrucellosis What disease is commonly contracted by veterinarians and workers who handle animal hides and animal hair/wool? Name the agent,it's characteristics, & othr resvr. - answerAnthrax (bacillus anthracis); a spore-forming bacteria, spores do not survive thorough cooking but do survive dryness many years; also found in soil & invades bones of animals so in dry bone mea