Examl 2:l NSGl 440/l NSG440l (NEWl 2025/l
2026l Update)l Populationl Healthl Review|l Questionsl &l Answers|l Gradel A|l 100%l Correctl (Verifiedl Solutions)-l GCU
Q:l whol wasl consideredl tol bel thel firstl epidemiologist?
Answer:
Hippocrates
Q:l Whatl didl Johnl Snowl dol forl epidemiology?
Answer:
realizedl thatl therel wasl al connectionl betweenl contaminatedl waterl andl choleral inl London
Q:l aspectsl ofl thel epidemiologicall triangle?
Answer:
agent,l host,l environment
Q:l whatl isl anl agentl inl epidemiology?
Answer: 1 / 2
Anl animatel orl inanimatel factorl thatl mustl bel presentl orl lackingl forl al diseasel orl conditionl tol develop
Q:l examplesl ofl agents
Answer:
bacteria,l fungi,l viruses,l parasites,l heavyl metals,l toxicl chemicals,l pesticides,l radiation,l heat,l cold,l machinery
Q:l hosts
Answer:
Al livingl speciesl (humanl orl animal)l capablel ofl beingl infectedl orl affectedl byl anl agent
Q:l hostl factorsl thatl canl makel theml impactl theirl susceptibilityl tol al disease
Answer:
•l Geneticl susceptibility •l Immutablel characteristicsl (age,l sex) •l Acquiredl characteristicsl (immunologicl status) •l Lifestylel factorsl (diet,l exercise)
Q:l environmentall factorsl ofl epidemiology
Answer:
climate,l plantl andl animall life,l humanl populationl distribution,l socio- economicall factors,l workingl conditions
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