Intro Lec 1 Flashcards
What is Health?
The absence of disease; no problems to the body functioning or surviving
What is health according to WHO?
A state of complete physical, mental, and social well being and not merely the absence of disease
What is etiology?
Cause of disease
What is disease?
overt signs and symptoms that is considered harmful to the affected host
Transitions from health to disease: Acute?
This is when the disease is sudden…..ex: flu
Transitions from health to disease:Chronic?
Disease that is long term..ex: cancer, heart disease
What are some etiological factors:
- endogenous
- exogenous
- overlap between both
Why is it important to understand the mech of disease?
It helps in preventing the disease
Also in order to provide treatment
Also don’t have a good understanding about some diseases yet
What are signs?
What the doctor sees or feels
What are symptoms?
What the patient complains about
What is diagnosis?
The results of lab tests, x-rays
What is prognosis?
The likely future for the patient in terms of length and quality of life
What is remission?
A symptom free period
What is relapse?
symptoms of disease returns
What is pathogenicity?
ability to cause a disease
What is idiopathic?
of unknown cause
What is epidemiology?
The study of patterns of disease occurrence in relation to possible causal factors
What is morbidity rate?
of clinically ill* 100%/ pop at risk
What is mortality rate?
of deaths*100%/pop at risk
What is iatrogenic:
medical blunder
What is susceptible:
a person not possessing sufficient resistance against certain diseases
What is pop at risk?
the subgroup of the pop most likely to have a specific disease in terms of susceptibility and exposure
What is nosocomial infection?
An infection which results from exposure following admission to a hospital or clinic …ex: TB
Zoonoses:
infection or disease naturally transmitted from vertebrate animals to human
Virulence?
measure of severity of disease
Infection?
lodgment and multiplication of an agent in host tissue
What is infection?
The colonization and/or invasion and multip of pathogenic microorganisms in the host with or without the manifestation of disease
Pathogenesis?
sequence of events from the initial stimulus to the ultimate expression of the disease
