Choose the best Answer

1			A hospital acquired infection is
			A)	familial.
			B)	nosocomial.
			C)	genial.
			D)	viral.
			E)	potential.
2			The science of epidemiology originated and evolved in response to the great ______ diseases.
			A)	bacterial
			B)	viral
			C)	fungal
			D)	parasitic
			E)	epidemic
3			Disease is a response to
			A)	environmental factors.
			B)	specific infective agents.
			C)	inherent defects of the body.
			D)	All of the above.
			E)	None of the above.
4			Who was the first epidemiologist?
			A)	Francis Crick
			B)	Walter Gilbert
			C)	Fred Sanger
			D)	John Snow
			E)	James Watson
5			The classic epidemiological studies carried out in London between 1849-1854 were due to a _______ outbreak.
			A)	small pox
			B)	cholera
			C)	influenza
			D)	typhoid fever
			E)	yellow fever
6			Usually, pandemic disease spread among
			A)	people.
			B)	animals.
			C)	insects.
			D)	states.
			E)	continents.
7			Animal diseases that can be transmitted to humans are termed:
			A)	Epizootiology
			B)	Enzootic
			C)	Epizootic
			D)	Panzootic
			E)	Zoonoses
8			Which of the following refers to the total number of individuals infected in a population at any one time?
			A)	Morbidity rate
			B)	Prevalence rate
			C)	Mortality rate
			D)	Epidemic rate
			E)	Outbreak rate
9			Typhoid Mary spread disease through her
			A)	teaching.
			B)	cleaning.
			C)	cooking.
			D)	All of the above.
			E)	None of the above.
10			Remote sensing can be used to study the distribution, dynamics, and environmental correlates of microbial disease. It involves which of the following?
			A)	Blood sampling
			B)	Questionnaires
			C)	Physical exams
			D)	Digital images
			E)	All of the above
11			The first link in the infectious cycle is the
			A)	source.
			B)	pathogen.
			C)	replication cycle.
			D)	mutation rate.
			E)	antimicrobial susceptibility.
12			Which of the following harbors a pathogen for a long period of time?
			A)	Casual carrier
			B)	Acute carrier
			C)	Transient carrier
			D)	Chronic carrier
			E)	All of the above
13			Which zoonotic is contracted by eating insufficiently cooked meat?
			A)	Trichinosis
			B)	Anthrax
			C)	Brucellosis
			D)	Tuberculosis
			E)	Tularemia
14			Which virulence-enhancing mechanism of a pathogen is considered to be a mobile genetic element?
			A)	Bacteriophages
			B)	Plasmids
			C)	Transposons
			D)	All of the above
			E)	None of the above
15			The key factor responsible for the rise in drug-resistant pathogens is
			A)	antigenic drift.
			B)	antigenic shift.
			C)	inappropriate use of antimicrobial therapy.
			D)	bad hygiene.
			E)	vaccination.
16			Which of the following control measures is designated to break the connection between the source of the infection and susceptible individuals?
			A)	Quarantine and isolation of cases and/or carriers
			B)	Destruction of an animal reservoir of infection
			C)	Treatment of sewage to reduce water contamination
			D)	Therapy that reduces or eliminates infectivity of the individual
			E)	Destruction of vectors by spraying with insecticides