Question

In: Biology

Choose the best response for each term. Sporadic disease     Systemic infection     Subclinical infection    ...

Choose the best response for each term.

Sporadic disease

   
Systemic infection

   
Subclinical infection

   
Reservoir of infection

   
Transmission

   
Vectors

   
Exogenous HAI

   
Endogenous HAI

   
Epidemiology

   
ID50

   
LD50

   
Antigenic variation


A.Occurs occasionally

B.Throughout body

C.No noticeable infection

D. Soil, animals, water, carriers

E. Mucous droplets, food, kissing, money

F. Primarily arthropods

G.Could be contracted from bedsheets

H. Could be contracted from patient's skin microbiota

I. Determination of reservoir, transmission, patterns of disease

J. Ability of organism to cause disease in 50% of population

K. Amount needed to kill 50% of population

L. Organism can change surface antigens

Solutions

Expert Solution

  • Sporadic diseases are seen occasionally, and without geographic concentration.
  • Syatemic infection usually affects the entire body, and not a single organ or body part.
  • A subclinical infection is usually asymptomatic, without any signs or symptoms.
  • A reservoir of infection usually harbours the infectious agents from which other individuals can be infected.
  • Transmission refers to the mode of spread of diseases
  • Vectors are agents that carry and transmit the infection into other healthy individuals.
  • Exogenous HAI involves a pathogen entering a patient's body from the external environment.
  • Endogenous HAI arise from an infectious agent already present in the body, but previously asymptomatic.
  • Epidemiology is a branch of medicine that deals with incidence, distribution and control of diseases.
  • ID50 is the estimated number of organisms or viral particles that can cause the infection in 50% of the normal adults exposed.
  • LD50 is a measured dose required to kill 50% of the population.
  • Antigenic variation refers to the mechanism by which an infectious agent alters its surface antigens to avoid host immune response.

gladiator answered 3 years ago
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