INFECTION CONTROL Pathogen- Infectious agent Colonization- If microorganism is present or invades host‚ grows and/or multiplies but does not cause infection. Communicable disease- if infectious disease can be transmitted from one person to another. -Symptomatic-if pathogens multiply and cause clinical signs/symptoms. -Asymptomatic- if no s/s are present *CHAIN OF INFECTION: 1. An infectious agent or pathogen 2. A reservoir or source for pathogen growth 3. A portal of exit from the
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Biology Honors Final Exam Review Study Guide A. Intro Unit * Characteristics of life (DR.CHARGE) * DNA * Directs protein synthesis * Reproduce * Divides in mitosis (asexual reproduction) * Cells * Homeostasis * The process by which cells maintain constant internal condition (water‚ temperature) * Adaptation (Evolution) * Respond to stimulus * Growth (Development) * Energy * Heterotroph: an organism that cannot synthesize its own food
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Elliot Griffin Environmental Science Final Opinion Paper Should DDT Be Banned Worldwide? First synthesized in 1874‚ DDT’s insecticidal properties were not discovered until 1939. In the second half of World War II‚ it was used with great effect among both military and civilian populations to control mosquitoes spreading malaria and lice transmitting typhus‚ resulting in dramatic reductions in the incidence of both diseases. The Swiss chemist Hermann Müller of Geigy Pharmaceutical
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Buddemeier RW‚ Maxwell BA‚ Bartley JD‚ Whittemore DO The Docking Institute of Public Affairs: The value of Ogallala Groundwater. 2001. Kostel K. 2004. Fieldnotes. Preserve: Nature’s olive branch. Audubon. (available online). Ree HI. 2000. Unstable vivax malaria in Korea. Korean J Parasitol. 38:119-38. Vaughan H‚ Brydges T‚ Fenech A‚ Lumb A. 2001. Monitoring long-term ecological changes through the Ecological Monitoring and Assessment Network: science-based and policy relevant. Environ Monit Assess
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Intro to Microbiology: Gram stain: Gram + Gram - Exotoxin Except Listeria has endotoxin Endotoxin Except Capsules Strep pneumo VERY Dangerous: (Some Strange Killers Have Pretty Nice Capsules) 1. Salmonella 2. Strep 3. Kleibsiella 4. Hemophilus B 5. Pseudomonas 6. Nisseria-(largest capsule- most likely cause of any toxicity) 7. Citroacter Gram (+) Gram (-) N-acetyl muramic acid (Nam) + N-acetyl glucosamine (Nag) = Peptidoglycan wall Contains
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1. BIOLOGICAL CLASSIFICATION Aristotle’s classification - Aristotle was the earliest to attempt a more scientific basis for classification of organisms. - He classified plants into trees‚ shrubs & herbs and animals into two groups‚ those which had red blood and those that did not. Two-kingdom classification - In Linnaeus’ time Two Kingdom classification (Kingdom Plantae & Kingdom Animalia) was developed. Drawbacks of 2-kingdom classification Prokaryotes (Bacteria‚ cyanobacteria) and eukaryotes
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and meiofauna‚ protozoa are an important food source for microinvertebrates. Thus‚ the ecological role of protozoa in the transfer of bacterial and algal production to successive trophic levels is important. Protozoa such as the malaria parasites (Plasmodium spp.)‚ trypanosomes and leishmania are also important as parasites and symbionts of multicellular animals. Some protozoa have life stages alternating between proliferative stages (e.g. trophozoites) and dormant cysts. As
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Social Work Interventions and Strategies to promote Health Rights A Panel Discussion Ragland Remo Paul* Introduction: Article 25 of the Universal Declaration of Human Rights at the General Assembly of the United Nations on the 10th December 1948 states as follows; "(1) Everyone has the right to a standard of living adequate for the health and well-being of himself and of his family‚ including food‚ clothing‚ housing and medical care and necessary social services
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Malaria Cause Malaria is caused by the Plasmodium parasite. Symptoms The first symptoms of malaria are like having the flu. You may have: a headache aching muscles a tummy ache‚ diarrhea and vomiting – especially in children a lack of energy loss of appetite a cough Treatment There are three main treatments for Malaria doxycycline – for most adults clindamycin – for most pregnant women and children sulfadoxine with pyrimethamine (Fansidar) Cause of Leukemia For most people with leukemia‚
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1. Plant Nutrition Nine macronutrients of plants: C‚ H‚ N‚ O‚ P‚ S‚ K‚ Ca‚ Mg Components of soil: Horizon a (topsoil): humus‚ leaf litter‚ decaying matter Horizon b (middle): minerals but no humus Horizon c (bottom): rock Most common nutrient deficiencies: N‚ P‚ K 2. Transport of Water and Minerals in Xylem Xylem transports water and minerals from the roots to the leaves Plant cells include: cell wall‚ plasma membrane‚ nucleus‚ chloroplasts and central vacuole Soil to root Water is absorbed
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