Answer:
- source or reservoir of infectious agents
- susceptible host with a portal of entry receptive of the agent
- mode of transmission for the agent
Explanation:
Chain of infection is the term that represents a set of related elements (source of infection, route of elimination, route of transmission, gateway) that demonstrates the process of spreading microorganisms that can cause disease in humans and other animals. . The existence of a chain of infection in healthcare settings requires the existence of a source or reservoir of infectious agents, the existence of a susceptible host with an infectious agent receptive entry portal, and the existence of a mode of transmission to the infectious agent.
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Answer:
"attention disorders" and "children"
Explanation:
These two phrases will give her the expected disorder in children called Attention Deficit Hyperactivity Disorders,(ADHD) which she was likely searching for . it is a common mental disorder of children and teens with a gradual progression to adulthood in some cases. Children with this disorder are usually characterised with difficulty with paying attention, always hyperactive,and find it difficult to adjust their impulses, to stay at a place for long time, easily forget things, easily distracted etc
it is the commonest mental disorder of children, that is more prevalent in boys than girls.
it is manifested in adults with lack of concentration,difficulty in maintaining relationship, poor organisation.etc They are also prone to addiction.
The cause may be genetic, runs in the family,imbalances in certain neurotransmitter, trauma to the head which affect the brain, poor nutrition,. drugs use and smoking in pregnant women,and accidental exposure to certain Neurotoxins.
Medication and therapy( good education, managements )are the best methods of treatments.
