NR442/NR 442 Quiz 2 Questions with Verified Answers (Correct
Update)
Question 1: Epidemiological Triangle
Answer: Basic model to study health problems 3 factors ; host, environment, and agent Disease is
produced by exposure to a susceptible host to a noxious agent in the presence of environmental factors
that aid or hinder agents of disease
Question 2: Stages of infection
Answer: 1. An infectious agent invades a host 2. Latency ( agent replication before it can be shed) 3.
Communicable period ( shedding of agentno s/s) 4. Incubation period (time from invasion to s/s 1st
appear)
Question 3: Endemic disease The usual amount
Answer: Constantly present in a population or region with relatively low spread
Question 4: Epidemic disease Rate exceeds the usual amount
Answer: A sudden increase in cases spreading through a large population
Question 5: Pandemic
Answer: Sudden increase in cases across several countries, continents, or the world
Question 6: Reservoirs
Answer: The environment where the pathogen lives and multiplies
Question 7: Pathogenic agent reservoir portal of exit transmission portal of entry host
susceptibilty
Answer: Chain of Infection
Question 8: direct indirect
Answer: Modes of transmission
Question 9: human animal arthropods plants soil water agents have + 1 reservoirs goal: eliminate
the reservoirs
Answer: Examples of reservoirs
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, Question 10: Incidence
Answer: # of new cases in the population at a specific time
Question 11: Prevalence
Answer: # of existing cases in the population at a specific time
Question 12: Crude Mortality
Answer: Number of DEATHS in the population divided by the population total x 1,000
- ______ per 1,000
Question 13: The condition of suffering from a disease/condition
Answer: Morbidity
Question 14: mode of transmission
Answer: Foodborne Food infections Food intoxication waterborne vector-borne direct contact
Question 15: Foodborne
Answer: Food infection Food intoxication
Question 16: Food infection
Answer: Bacterial Viral Parasitic
Question 17: Food intoxication
Answer: Toxins d/t bacterial growth Chemical contamination
Question 18: Waterborne
Answer: Fecal contamination of water EX: Cholera, Typhoid fever
Question 19: Vector borne
Answer: Via carriermosquito or tick EX: Lyme disease, malaria
Question 20: Direct contact
Answer: Transmission of infectious agent from infected host to susceptible host via direct contact
Question 21: Natural immunity
Answer: Pathogens enter body and cause illness; antibodies form in host - Ex: chickenpox disease
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Update)
Question 1: Epidemiological Triangle
Answer: Basic model to study health problems 3 factors ; host, environment, and agent Disease is
produced by exposure to a susceptible host to a noxious agent in the presence of environmental factors
that aid or hinder agents of disease
Question 2: Stages of infection
Answer: 1. An infectious agent invades a host 2. Latency ( agent replication before it can be shed) 3.
Communicable period ( shedding of agentno s/s) 4. Incubation period (time from invasion to s/s 1st
appear)
Question 3: Endemic disease The usual amount
Answer: Constantly present in a population or region with relatively low spread
Question 4: Epidemic disease Rate exceeds the usual amount
Answer: A sudden increase in cases spreading through a large population
Question 5: Pandemic
Answer: Sudden increase in cases across several countries, continents, or the world
Question 6: Reservoirs
Answer: The environment where the pathogen lives and multiplies
Question 7: Pathogenic agent reservoir portal of exit transmission portal of entry host
susceptibilty
Answer: Chain of Infection
Question 8: direct indirect
Answer: Modes of transmission
Question 9: human animal arthropods plants soil water agents have + 1 reservoirs goal: eliminate
the reservoirs
Answer: Examples of reservoirs
Page 1
, Question 10: Incidence
Answer: # of new cases in the population at a specific time
Question 11: Prevalence
Answer: # of existing cases in the population at a specific time
Question 12: Crude Mortality
Answer: Number of DEATHS in the population divided by the population total x 1,000
- ______ per 1,000
Question 13: The condition of suffering from a disease/condition
Answer: Morbidity
Question 14: mode of transmission
Answer: Foodborne Food infections Food intoxication waterborne vector-borne direct contact
Question 15: Foodborne
Answer: Food infection Food intoxication
Question 16: Food infection
Answer: Bacterial Viral Parasitic
Question 17: Food intoxication
Answer: Toxins d/t bacterial growth Chemical contamination
Question 18: Waterborne
Answer: Fecal contamination of water EX: Cholera, Typhoid fever
Question 19: Vector borne
Answer: Via carriermosquito or tick EX: Lyme disease, malaria
Question 20: Direct contact
Answer: Transmission of infectious agent from infected host to susceptible host via direct contact
Question 21: Natural immunity
Answer: Pathogens enter body and cause illness; antibodies form in host - Ex: chickenpox disease
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