bacterial infections obtained while in a hospital? 90‚000 2. What percentage of bacterial strains are resistant to at least one of the antibiotics commonly used to treat infections? More than 70% 3. When did microbes begin appearing that were resistant to penicillin? In the late 1940’s 4. What is the strongest antibiotic used to treat infections caused by Staphylococcus aureus? Vancomycin 5. Why has antibiotic resistance happened? Certain bacteria resist the effects of the antibiotics (are
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Methicillin-Resistant Staphylococcus aureus (MRSA) To understand Methicillin-Resistant Staphylococcus aureus‚ we must first understand Staphylococcus aureus. Staphylococcus aureus is a spherical‚ or coccus‚ bacteria (MRSA). The bacteria usually appears is chains‚ bunches‚ or grape like clusters‚ (Gregory‚ 229). It is a gram-positive aerobic organism that causes skin infections and sometimes pneumonia‚ endocarditis and osteomyelitis (Beers‚ 1442). This infection commonly leads to abscess formations
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nurses in identifying if wearing slip resistant shoes prove to be more beneficial then other shoes when it comes to reducing slip and fall injuries on the job. A small p-value (typically ≤ 0.05) indicates convincing evidence and allow you to gain a greater sense of confidence against the null hypothesis (Gerstman‚ 2015). In this case‚ I would want a small p-value to prove that slip resistant shoes do hinder slip and falls. If I have more nurses wearing slip resistant shoes and less reporting of incidents
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global health threat introduced by the World Health Organization (WHO) and most annual mortality due to hospital infections occurs because of this challenge (1). According to the US Centers for Disease Control and Prevention (CDC) report‚ carbapenem-resistant Enterobacteriaceae (CRE) are one of the three main antibiotic resistance threats. (2). Enterobacteriaceae are Gram-negative bacilli which cause a wide range of infections including septicemia‚ pneumonia‚ urinary tract infection‚ meningitis and abscess
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In this essay I’m going to be writing about the article; Scientists Make Mutant Cows that are Resistant to Devastating Disease. And the article itself was about a disease that’s killing cows. And how scientist are going to try to fix it. Which sounds pretty interesting right? Let’s dive in. Unless they have plans for when this doesn’t work how do they know a disease won’t form overtime? Another downside to mutating is that what if it creates another disease that’s even worse than tuberculosis or
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Multidrug Resistant Tuberculosis (MDR TB) TB has plagued the world since the beginning of cattle domestication in 4000bc. The man and beast interaction allowed M. bovis (mad cow disease) to develop properties allowing for survival within their new hosts. This new class of bacteria was deemed. The evolution of the TB causing bacteria did not stop there. The newest mutation of this bacterium is MDR TB‚ or multidrug resistant tuberculosis. The three main causes that have allowed TB to progressively
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Earthquake Loads & Earthquake Resistant Design of Buildings 1. 1 2. Summary 2 3. Earthquake Design - A Conceptual Review 2 4. Earthquake Resisting Performance Expectations 3 5. Key Material Parameters for Effective Earthquake Resistant Design 3 6. Earthquake Design Level Ground Motion 4 6.1. Elastic Response Spectra 4 6.2. Relative Seismicity 5 6.3. Soil amplification 6 7. Derivation of Ductile Design Response Spectra 7 8. Analysis and Earthquake Resistant Design Principles 8 8.1. The Basic Principles
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References: [1] American Society of Civil Engineers (1997)‚ Design of Blast Resistant Buildings in Petrochemical Facilities‚ Reston‚ VA. [2] U.S. Army Corps of Engineers (1990) TM 5-1300‚ Structures to Resist the Effects of Accidental Explosions‚ U.S [3] IS 4991:1968‚ Criteria for Blast Resistant Design of Structures for Explosions above Ground‚ Bureau of Indian Standards‚ New Delhi‚ New Delhi‚ 1968. [4] SG-22‚ Sitting and Construction
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Technology: Scratch-resistant Lenses Scratch-resistant lenses were developed by NASA by applying a diamond-like lubricating coat over plastic lenses. This application was originally used in the space program in a "dual ion-beam bonding process." Today‚ the coating is still used on hard resin plastic used in most eye glasses that people wear every day. Freeze-Dried Food Humans need food‚ and astronauts in space are no exception. To keep the astronauts food fresh NASA adopted the practice of freeze-drying
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Metal wear-resistant materials and high-manganese steel seriesA strong impact load or contact stress‚ high manganese steel‚ the surface rapidly hardening‚ the hardness can be increased from HBS200 sharply to 400 550‚ resulting in high wear of the surface‚ have an excellent core austenitic toughness‚ and retains the original mechanical properties. Hardened layer‚ the wear layer‚ subsurface hardening until the wear and tear to the failure state. Surface by the impact of the heavier‚ surface hardening
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