問題一覧
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methods of isolating body substances
Standard Precautions
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Anti-infective drugs include what 3 types of drugs?
- Antimicrobial - Antibacterial - Antifungal
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infections acquired in the course of medical care
Nosocomial Infections
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nosocomial infection that results from a particular treatment or therapeutic procedure
Iatrogenic Infection
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a person who enters a health care facility with an infection
Community-acquired infection
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called the microorganisms everyone has in their body at all times
Normal flora
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infections that are caused by microorganisms that are not normal flora
Exogenous Infections
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when a person acquires an infection in the health care setting as a result of an overgrowth of normal flora
Endogenous Nosocomial Infection
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The _________ and the _________ are common sites of nosocomial infections
1. Bloodstream 2. Urinary Tract
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4 Factors that encourage Nosocomial Infections:
- Environment - Therapeutic Regimen - Equipment - Contamination during medical procedures
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8 Factors that increase the potential for Nosocomial Infection (AHNSIPHI)
- Age - Heredity - Nutritional status - Stress - Inadequate rest and exercise - Personal habits - Health history - Inadequate defenses
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6 Factors Nosocomial infections are caused by: BFPVEE
- Bacteria - Fungi - Parasites - Viruses - Enzyme - ESBL
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the result of the ALTERATION IN THE NUMBER OF FLORA present in the body or result of treatment with a BROAD SPECTRUM ANTIMICROBIAL DRUG
Endogenous Infections
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often the result of long-term use of vascular access devices (VADs) and retention urinary catheters. Infectious diseases are caused by both eukaryotic and prokaryotic microorganisms
Nosocomial Infections
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4 Microorganisms/Pathogens known to produce diseases are: BFVP
- Bacteria - Fungi - Viruses - Prions
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Areas of the human body that are considered sterile: (BBBHV)
brain, blood, bone, heart, vascular system.
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colorless, minute, one-celled organisms with a typical nucleus.
Bacteria
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___ carries the inherited characteristics of a cell, and ___ constructs cell protein in response to the direction of ___.
DNA RNA DNA
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are able to form a highly resistant structure called an _______.
Gram positive bacteria Endospore
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Bacteria that survive only in an oxygen environment and are called?
Aerobes
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Others that are unable to live in the presence of oxygen and are called?
Anaerobes
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eukaryotic microbes and require an aerobic environment to live and reproduce
Fungi
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one-celled forms of fungi that reproduce by budding
Yeast
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form multicellular colonies and reproduce by spore formation
Mold
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diverse group of eukaryotic microorganisms, one-celled or multicellular without specialized tissues, and can live in most environments as long as water is available.
Protist
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more complex one-celled microorganisms. They are often parasitic and are able to move from place to place by pseudopod formation, by the action of flagella, or by cilia.
Protozoa
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can be simply described as parasitic worms classified as either (flatworms) or (roundworms).
Helminths
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minute microorganisms that cannot be visualized under an ordinary microscope. They are the smallest microorganisms known to produce disease in humans.
Viruses
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complete infectious particle with a central nucleoid
Virion
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The genetic material is protected by a capsid or protein coat that is composed of minute protein units called
Capsomeres
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called the when viruses destroy the cell by the rapid release of new viruses.
Lysis
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3 Examples of Infectious Diseases
• HIV & AIDS • Viral Hepatitis • Tuberculosis
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4 Characteristics of Infectious agents vary in their ability to cause disease: PVIS
- Pathogenicity - Virulence - Invasiveness - Specificity
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refers to the causative organism’s ability to cause disease.
Pathogenicity
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refers to the causative organism’s ability to grow and multiply with speed.
Virulence
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term used to describe the organism’s ability to enter tissues.
Invasiveness
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characterizes the organism’s attraction to a particular host
Specificity
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A person who transmits disease-causing organisms but has no apparent signs or symptoms of that disease
carrier
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made from living microbes, rendered less pathogenic
Attenuated Vaccine
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people who are at great risk for acquiring infections.
Immunosuppressed persons
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7 METHODS OF ACQUIRING IMMUNITY AAPNNAA
>Acquired Immunity >Active acquired immunity >Passive acquired immunity >Natural acquired immunity >Natural active acquired immunity >Artificial active acquired immunity >Artificial passive acquired immunity
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METHODS OF ACQUIRING IMMUNITY _______ _______ (active production of antibodies) ______ _____ _____ (person’s body) ______ ______ ______ (received from another person) _______ _______ _______ (mother’s blood) _____ _____ ______ _______ (particular disease) _______ ______ ______ _______ (vaccination) _______ ______ ______ _______ (immune to susceptible individual)
Acquired Immunity Active acquired immunity Passive acquired immunity Natural acquired immunity Natural active acquired immunity Artificial active acquired immunity Artificial passive acquired immunity
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_______ function as antigens and produce diseases called _______ diseases.
>Antibodies >Autoimmune diseases
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4 Process of Infection
Incubation Stage: Prodromal Stage: Full Disease Stage: Convalescent Stage:
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______ Stage: (dormant) ______ Stage: (symptoms exhibited) ____ _____ Stage: full extent, subclinical symptoms __________ Stage: (symptoms diminish)
- Incubation Stage: (dormant) - Prodromal Stage: (symptoms exhibited) - Full Disease Stage: full extent, subclinical symptoms - Convalescent Stage: (symptoms diminish)
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A person whose body does not adequately defend itself against disease
Immunocompromised
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diseases that result from alterations in a person’s genetic makeup and are inherited from his or her parents or grandparents.
Hereditary diseases
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If Exposure to blood or body fluids is possible, wear 6 samples of PPE like:
gloves masks respirators goggles face shields gowns
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term used to describe the removal, by mechanical and chemical processes, of pathogenic microorganisms,
Disinfection
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Two types of contact spread of infection
Direct contact Indirect contact
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inflammation of the cells of the liver that is initially acute
Viral hepatitis
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disease most commonly affects the lungs, but is capable of infecting any part of the body.
Tubercolosis
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part of the normal flora in the gastrointestinal tract; however, it is capable of causing disease when it affects blood, urine, or wounds
Enterococcus
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______ is the result of bacteria in the bloodstream. _______ is the result of fungi in the bloodstream.
Bacteremia Fungemia
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means that microorganisms and their spores have been completely destroyed by means of heat
Surgical asepsis
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must not be worn in the workplace. They often harbor infectious microorganisms
Acrylic fingernails
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______ must be scrubbed for __ minutes with an antibacterial soap before working with all infants.
Hands 3
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The radiographer must never enter a ______ if he or she has, or is suspected of having, an infection of any type.
nursery
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4 examples of Transmission Based Precaution
Airborne Infection Isolation Droplet Precaution Contact Precaution Expanded Precaution
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3 INFECTION PREVENTION PRACTICES IN HEALTH CARE SETTINGS DHH
Dress in the Workplace Hair Hand Hygiene