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| 1a Organism and environment, adaptation | show 🗑
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| show | any change of external environment requires resetting of regulatory mechanisms to keep homeostasis- each adaptation mechanism has some capacity (limited)
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| Adaptation capacity a | show 🗑
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| show | it is !!!very individual!!! - dependent on:- genetic disposition- age
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| show | functional reserve of the body systems responsible for the adaptation to a particular change (dependent on the previous life style - nutrition, physical activity etc.)
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| Adaptation capacity d | show 🗑
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| show | border changes of external environment leading to survival only of individuals with best adaptation facilities are causing natural selection (Darwin theory), when Medicine does not interfere
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| show | high external temperature requires thermoregulatory response based on peripheral vasodilation → ↓ BP - to keep adequate BP requires ↑ MV, people with chronic heart failure do not have
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| show | sufficient heart reserve→ COLLAPSE (unconsciousness) (typical for old people)
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| show | ● not-changeable - genetics, gender, ethnic, age ● changeable - nutrition, life style, personal habits
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| show | ● factors from environment - viral and microbial - chemical (toxins, drugs, allergens) - physical (irradiation, temperature, sun exposure, altitude - p02)● psychological factors (family background, stress, religion etc.)
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| show | - autosomal dominant (Adult polycystic kidney disease, Familial hypercholesterolemia, Osteogenesis imperfecta, Spherocytosis, von Willebrand's disease)- autosomal recessive (Color blindness, Cystic fibrosis, Phenylketonuria)
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| show | - X - linked recessive (Hemophilia, Bruton-type hypogammaglobulinemia, Duchenne's dystrophy)
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| ● largely dependent on environment or life style | show 🗑
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| show | - Lung cancer - due to smoking (low in Mormons and Seventh day Adventists with code against use of tobacco – but non-smokers also can have lung cancer!!)- Skin cancer - due to ultraviolet light
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| show | - Malaria - only in countries with mosquitoes transmitting Plasmodium
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| show | most frequent case- early coronary heart disease - due to predisposition to hypercholesterolemia and simultaneous high animal fat intake and/or smoking, low physical activity, stress factors etc.
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| ● dependent on combination of genetic predisposition and factors of environment or life style influencing manifestation of the disease b | show 🗑
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