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    Error Prevention in Surgical Settings

    Error Prevention in Surgical Settings
    In describing the "central law of improvement," one health care improvement expert tells health care clinicians that "every system is perfectly designed to achieve the results it achieves." Complex systems, such as health care, appear to be more prone to errors than others. In aviation, a primary focus on safety has led to systems that are designed to minimize the risk ...
    Rated: +1
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    Endocrine System

    The endocrine system, along with the nervous system, functions in the regulation of body activities. The nervous system acts through electrical impulses and neurotransmitters to cause muscle contraction and glandular secretion. The effect is of short duration, measured in seconds, and localized. The endocrine system acts through chemical messengers called hormones that influence growth, development, and metabolic activities. The action of ...
    Rated: +4
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    Phototherapy

    In phototherapy skin is exposed to an ultraviolet (UV) light source for a set amount of time to treat certain skin conditions. Ultraviolet lights are rays of light from the sun that are not visible. Phototherapy uses a man-made source of ultraviolet light for your treatment. h4. Types of Phototherapy _Broad band UVB_ – Effective light therapy treatment using UVB light ...
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    Autonomic Nervous System

    The autonomic nervous system is a visceral efferent system, which means it sends motor impulses to the visceral organs. It functions automatically and continuously, without conscious effort, to innervate smooth muscle, cardiac muscle, and glands. It is concerned with heart rate, breathing rate, blood pressure, body temperature, and other visceral activities that work together to maintain homeostasis. The autonomic nervous system ...
    Rated: +3
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    Stevens-Johnsons Syndrome

    Stevens-Johnsons Syndrome
    Stevens-Johnsons Syndrome, or Erythema multiforme, is a skin disorder resulting from an allergic reaction. h4. Causes, Incidence, and Risk Factors Erythema multiforme is a type of hypersensitivity (allergic) reaction that occurs in response to medications, infections, or illness. Medications associated with erythema multiforme include sulfonamides, penicillins, barbiturates, and phenytoin. Associated infections include herpes simplex and mycoplasma infections. The exact cause is ...
    Rated: +1
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    Patient Advocacy: Barriers and Facilitators

    Patient Advocacy: Barriers and Facilitators
    h4. Background The role of patient advocacy is not new for nurses. Historically, patient advocacy has been a moral obligation for nurses. During recent years, nursing literature has been focused on the advocacy role and nursing professions has adopted the term 'patient advocacy' to denote an ideal of the practice. Nurses assume that they have an ethical obligation to advocate for ...
    Rated: +2
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    Understanding the Durable Power of Attorney for Health Care

    Understanding the Durable Power of Attorney for Health Care
    _The document below pertains specifically to Georgia state law, but it can be used by all health care professionals to better understand Durable Power of Attorney practices in all states_ h4. What Is a Durable Power of Attorney For Health Care? A Durable Power of Attorney for Health Care (DPOA-HC) is a document or paper that allows us to designate or ...
    Rated: +1
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    Advance Directives: Living Wills and Healthcare Proxies

    Advance Directives: Living Wills and Healthcare Proxies
    _Advance directives_ are oral and written instructions about future medical care should your parent become unable to make decisions (for example, unconscious or too ill to communicate). Each State regulates the use of advance directives differently. A _living will_ is one type of advance directive. It takes effect when the patient is terminally ill. Advance directives are not set in stone. ...
    Rated: +7
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    Diabetes Mellitus

    Diabetes Mellitus
    Diabetes mellitus is a group of diseases characterized by high levels of blood glucose resulting from defects in insulin production, insulin action, or both. Diabetes can be associated with serious complications and premature death, but people with diabetes can take steps to control the disease and lower the risk of complications. h4. Types of diabetes Type 1 diabetes was previously called ...
    Rated: +4
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    Schizophrenia: Overview and Symptoms

    Schizophrenia: Overview and Symptoms
    Schizophrenia is a chronic, severe, and disabling brain disorder that has been recognized throughout recorded history . It affects about 1 percent of Americans. People with schizophrenia may hear voices other people don't hear or they may believe that others are reading their minds, controlling their thoughts, or plotting to harm them. These experiences are terrifying and can cause fearfulness, withdrawal, ...
    Rated: +3
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    Meningococcal Disease (Meningitis)

    h4. What is meningitis? Meningitis is an infection of the fluid of a person's spinal cord and the fluid that surrounds the brain. People sometimes refer to it as spinal meningitis. Meningitis is usually caused by a viral or bacterial infection. Knowing whether meningitis is caused by a virus or bacterium is important because the severity of illness and the treatment ...
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    Osteoporosis

    Osteoporosis
    Osteoporosis (oss-tee-oh-puh-ro-sis) is a condition that means your bones are weak, and you’re more likely to break a bone. Since there are no symptoms, you might not know your bones are getting weaker until you break a bone! A broken bone can really affect a woman’s life. It can cause disability, pain, or loss of independence. It can make it harder ...
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    Buspirone

    h4. Why is this medication prescribed? Buspirone is used to treat anxiety disorders or in the short-term treatment of symptoms of anxiety. This medication is sometimes prescribed for other uses. h4. How should this medicine be used? Buspirone comes as a tablet to take by mouth. It usually is taken two or three times a day. This drug must be taken ...
    Rated: +1
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    Sputum Culture

    Sputum Culture
    Sputum is a secretion that is produced in the lungs and the bronchi (tubes that carry the air to the lung). This mucus-like secretion may become infected, bloodstained, or contain abnormal cells that may lead to a diagnosis. Sputum is what comes up with deep coughing. h4. How the Test is Performed The patient is asked to cough deeply and spit ...
    Rated: -1
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    Mitosis and Meiosis: How do Cells Divide?

    Mitosis and Meiosis: How do Cells Divide?
    There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life. During mitosis, a cell duplicates all of its contents, including its ...
    Rated: +6
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    Lymphatic System

    Lymphatic System
    The lymphatic system is a network of tissues and organs. It is made up mainly of lymph vessels, lymph nodes and lymph. Lymph vessels, which are different from blood vessels, carry fluid called lymph throughout your body. Lymph contains white blood cells that defend you against germs. Throughout the vessels are lymph nodes. Along with your spleen, these nodes are where ...
    Rated: +1
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    Zollinger-Ellison Syndrome (ZES)

    Zollinger-Ellison Syndrome (ZES)
    Zollinger-Ellison syndrome (ZES) is a rare disorder that causes tumors in the pancreas and duodenum and ulcers in the stomach and duodenum. The pancreas is a gland located behind the stomach. It produces enzymes that break down fat, protein, and carbohydrates from food, and hormones like insulin that break down sugar. The duodenum is the first part of the small intestine. ...
    Rated: +2
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    Cell Organelles

    Cell Organelles
    The human body contains many different organs, such as the heart, lung, and kidney, with each organ performing a different function. Cells also have a set of "little organs", called organelles, that are adapted and/or specialized for carrying out one or more vital functions. Organelles are found only in eukaryotes and are always surrounded by a protective membrane. It is important ...
    Rated: +3
  • +6

    What is a Cell?

    What is a Cell?
    Cells are the structural and functional units of all living organisms. Some organisms, such as bacteria, are unicellular, consisting of a single cell. Other organisms, such as humans, are multicellular, or have many cells - an estimated 100,000,000,000,000 cells! Each cell is an amazing world unto itself: it can take in nutrients, convert these nutrients into energy, carry out specialized functions, ...
    Rated: +6
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    Cell Structures

    h4. The Plasma Membrane - A Cell's Protective Coat The outer lining of a eukaryotic cell is called the plasma membrane. This membrane serves to separate and protect a cell from its surrounding environment and is made mostly from a double layer of proteins and lipids, fat-like molecules. Embedded within this membrane are a variety of other molecules that act as ...
    Rated: +2
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