classification
-More than 30 staphylococcal species are pathogenic.
-A simple strategy for identification of the more clinically important species is outlined in Fig. 135-2.
-Staphylococci is responsible for both nosocomial and community-based infections
-S. aureus is a part of the normal human flora; 25–50% of healthy persons may be persistently or transiently colonized.
-coagul
bit different symptoms.
The bubonic plague is transmitted by the bite of an infected rat flea. It has a mortality rate of 30 to 75 percent and symptoms including high fever of 38–41 °C (101–105 °F), headaches, painful aching joints, nausea and vomiting, and a usual feeling of malaise. Without proper treatment, the patient eventually collapses and 80 percent die within eight days.
1. What is Ionizing Radiation?
Ionizing Radiation
: has sufficient energy to remove an electron from an atom
Ex. α-particle, β-particle,
X-ray, γ-ray
Free Radical :
molecule containing unpaired electrons
2. Effects of Ionizing Radiation
Radiation causes ionization of atoms which are forming cells.
→ Tissues
→ Organs
→ The whole body
Cellular Damag
- Marijuana consists of the dried and crushed leaves and flowering tops of the hemp plant, Cannabis sativa. It is most often smoked, but it may be chewed, prepared as a tea, or eaten in baked goods.
- At first, it was marketed by several drug companies as a treatment for rheumatism, gout, depression, cholera, and neuralgia. It was also smoked for pleasure.
- Psychological effec
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요즘 우리 국민들의 최대 핫 이슈는 일본의 원전 폭팔사고 일 것이다. 그 중에서도 원전 폭팔로 인한 방사능 물질의 누출 일 것이다. 정부에서는 X-Ray 촬영 할 때의 방사능 양의 수천분의 1도 안된다고 국민들을 안심 시키고 있지만 마치 방사능비를 맞으면 며칠 안에 암에 걸릴 사람처럼