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Definition
Living organisms too small to be seen by the naked eye. |
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Definition
Organisms found on and in a person's body that do not cause disease. |
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Definition
Disease producing microorganism. |
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Definition
Pathogen that requires an environment with oxygen. |
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Definition
Pathogen that can live in an oxygen-free environment. |
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Name the five main types of pathogens |
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Definition
Bacteria, Rickettsia, Virus, Fungus, and Protozoa |
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Definition
Are one-celled organisms. |
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Name the three types of bacteria |
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Definition
Cocci(round shaped), Bacilli(rod shaped), spirilla(spiral shaped) |
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Definition
Are a genus of bacteria known as parasites, which are organisms that must live inside another living organism to survive. (Spreads to humans via vectors.) |
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Definition
Is a disease carrier that transmits a disease from an infected person to a noninfected person, such as ticks, mites, and lice. |
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Pathogen that can grow and reproduce only after infecting a host cell. (More than 400 types) They are the smallest pathogen. |
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Why are viruses difficult to treat? |
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Definition
The protein in their outer cell membrane prevents antibiotics from affecting them. |
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What kind of diseases do viruses cause? |
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Definition
The common cold, hepatitis, chicken pox, and human immunodeficiency virus(HIV). |
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Definition
Single-celled organisms, such as yeast, or multicellular colonies, such as mold and mushrooms. (Most fungi do not cause disease and are present in the body's normal flora. |
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Definition
Disease causing microorganisms that live mainly in soil. Spread through the fecal-oral route. |
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Term
What is the chain of infection? |
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Definition
A series of steps that must occur for disease to spread. All of the links in the chain must be active. |
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Term
What are the six links in the chain of infection? |
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Definition
1-Pathogenic microorganisms 2-Reservoir host 3-Means of exit 4-Mode of transmission 5-Means of entry 6-Susceptible host |
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Definition
First link in the chain of infection, thrives in warm, moist environments. |
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Definition
Pathogen that is present in the blood, and can be transmitted through blood or body fluids. |
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Definition
Usually harmless but become pathogenic under specific circumstances, such as exposure to an immunocompromised host. |
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Definition
Organism from which pathogenic organisms such as bacteria or viruses obtain their nourishment. (considered contagious) |
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Definition
Any opening of the body that is lined with mucous membranes. Such as eyes, nose, mouth, throat, vagina, and rectum. |
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What might be another site of exit? |
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Definition
Interuption in the normal protective structures of the body, such as injury or surgery to the skin and underlying tissues. Pathogens can also exit from the body via blood and other body fluids. |
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Definition
A pathogen can be transmitted to another person by direct contact or indirect contact. |
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Definition
Skin to skin contact, such as hand shaking,kissing, or the exchange of body fluids. |
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Definition
Pathogens trasmitted by contact with inanimate objects called fomites. |
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Definition
Virtually any object can be a fomite such as, coutertops, hairbrushes, combs, door knobs, drink containers, handles of shopping carts, and pencils. |
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Definition
A form of indirect contact, occurs when an infected individual sprays pathogens into the air via coughing, sneezing... |
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Name three diseases that are transmitted by air |
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Definition
Tuberculosis, Measle, and Varicella virus |
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Definition
Pathogens gain entry in much the same way as they exit, usually via contact with mucous membranes, or a break in the skin. |
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Definition
If a host is susceptible pathogens will grow and multiply, eventually reaching an infectious level. There are a number of conditions that increase host susceptibility and most contribute to a weakened immune system. |
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What are the three types of infection? |
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Definition
Acute, Chronic, and Latent |
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Definition
Typically have a quick onset and short duration. Example of an acute infection is a common cold. |
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Definition
Lasts for a long time, Sometimes years even a lifetime. Patients may be asymptomatic, or symptoms may fluctuate. An example of a chronic infection is Hepatitis C. |
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Definition
Patients experience alternating periods of being symptom-free. The infecting organism never leaves the body but lies dormant between relapses. An example of a latent infection is Herpes virus. |
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What does the stages of disease include? |
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Definition
Incubation, Prodromal, Acute, Declining, and Convalescent |
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Definition
Sometimes called the latent period, is the beginning stage of an infectious disease and starts at first contact with the pathogen. May be asymptomatic, commonly considered contagious. |
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Definition
Marks the interval between the earliest symptoms and the appearance of a rash or elevated temperature. May be contagious. |
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Definition
Symptoms peak, and the patient feels worst. Continues to be contagious. |
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Definition
Is charicterized by a continuation of the disease but a lessoning of the symptoms. May be contagious. |
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Definition
Recovery period begins when symptoms disappear and continues until patient returns to a normal state of health. Not contagious. |
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What are the three main types of defense mechanisms? |
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Definition
Mechanical, Chemical, and Cellular |
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Definition
Includes certain structures and functions of the body that protect it from pathogens. Such as skin protecting the body from the external environment. |
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What is the body's first line of defense? |
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Definition
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Definition
Chemical barriers that help protect the body from pathogens. |
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Definition
Various cells that act to protect the body from pathogens. |
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Term
What are some cellular defenses? |
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Definition
Inflammatory response, cell-mediated immunity, and antibody-mediated immunity. |
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Term
The inflammatory response is designed to do what? |
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Definition
It is the body's immediate immunological defense against injury, infection, or allergy. |
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What three chemicals are released that cause inflammation? |
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Definition
Histamine, Prostaglandins, and Kinin |
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Definition
Process in which specialized white blood cells (phagocytes) engulf and destroy microorganisms, foreign antigens, and cellular debris. |
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Definition
Protection from infectious disease. |
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Definition
Develops when the body is exposed to a pathogenic microorganism. Antigens enter the body by natural means. The body's immune system responds by producing antibodies. |
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Term
Active Artificial Immunity |
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Definition
Develops when an antigen is purposely introduced into a person's body in the form of a vaccine. |
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Term
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Definition
Develops when already formed antibodies are passed from mother to fetus across the placenta during pregnancy, or her infant through breast milk. |
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Term
Passive Artificial Immunity |
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Definition
Develops when preformed antibodes are developed in an animal or in another human and are then injected into an individual who has experienced a known exposure. |
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Term
What two oganiazations play an important role in the safety guidelines and regulations in medical offices? |
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Definition
Center for Disease Control and prevention and the Occupational Safety and Health Administration |
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Term
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Definition
Center for Disease Control |
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Definition
Occupational Safety and Health Administration |
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Definition
Revised guidlines provided by the CDC that advise health care providers about the handling of any blood or body fluids. |
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Term
What is a nosocomial infection? |
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Definition
An infection a person aquires in a hospital or medical office. |
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Term
What is the main goal of OSHA? |
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Definition
To ensure safe, healthy working conditions for Americans. |
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Term
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Definition
Personal Protective Equipment |
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Term
What does common PPE include? |
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Definition
Gloves, masks, eye protection, shoe covers, and gowns. |
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Term
When should PPE be replaced? |
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Definition
When it becomes contaminated or damaged. |
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Term
What is required to have the biohazard label? |
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Definition
Containers that hold blood or body fluids. |
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Term
What should an employee do if they are exposed to a bloodborne pathogen? |
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Definition
They must wash or flush the exposed area and then report the incident to their employer right away. They must document the incident. |
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Term
How should a medical assistant handle a biohazard spill? |
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Definition
First they should apply proper PPE. Next contain the spill with paper towels, then cover the entire spill with a 10% bleach solution, and let stand for 20 minutes. They must use a mechanical device not theirs hands to clean the spill. Then place all items in a biohazard container and repeat the bleach application process. The incident must be documented. |
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Term
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Definition
Removal of microoganisms using chemicals, heat, or ionizing radiation. Sanatize before disinfection. |
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Term
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Definition
Typically involves the application of a substance to equipment, surfaces, or other items to kill pathogenic microorganisms. |
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Term
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Definition
Destroys the tough pathogens (spores), using chemicals, ionizing radiation, dry heat, gas, or steam. |
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Definition
Practice of maintaining an environment free from pathogens. |
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Term
What are the three levels involved in asepsis? |
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Definition
Sanitization, Disinfection, and Sterilization |
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Term
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Definition
Material Safety Data Sheet |
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Term
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Definition
Bacterial or fungal cells that are resistant to temperature extremes. |
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Term
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Definition
Device that sterilizes items using steam pressure at a temperature of 250 to 270 degrees F |
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Term
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Definition
When instruments are sterilized with chemicals because they can not withstand the high temperature of the autoclave. |
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Term
Name the two different types of asepsis |
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Definition
Medical Asepsis and Surgical Asepsis |
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Term
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Definition
Refers to the destruction of pathogenic organisms after they leave the body. |
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Term
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Definition
The practice of destroying all pathogenic organisms before they enter the body. |
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