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Quiz 3
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Question | Answer |
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Define plasma | liquid of the blood - contains nutrients, vitamins, hormones and antibodies - composed of 90% water and 10% solutes |
Define NIOSH | National Institute for Occupational Safety and Health - division of CDC responsible for conduction research and making recommendations for the prevention of work-related injury and illness |
How to break the chain of infection | disrupt the continuous chain from source -> means of transmission -> susceptible host thus preventing transmission of infectious microorganisms (ex. washing hands) |
Nervous system | coordinates voluntary/involuntary actions and transmits signals between parts of the body made up of central nervous system (command center of nervous system) and peripheral nervous system (all nerves that connect CNS to every part of the body) |
Endocrine system | made up of glands and tissues that produce hormones - have an effect on metabolism, growth/development, reproduction and ability to react to stress - made of pituitary, pineal, thyroid, parathyroid, thymus and adrenal glands |
Lymphatic system | organs, lymph nodes, lymph ducts and lymph vessels that make and move lymph from tissues to the bloodstream/filter lymph fluid and remove foreign material - *nodes make immune cells that help body fight infection |
Immune system | network of cells, tissues, organs that work to defend against attacks by invader - include: tonsils, adenoids, lymph nodes, lymphatic vessels, spleen and bone marrow |
Skeletal system | includes all bones plus connective tissue at the joints - provides movement/protects internal organs |
Integumentary system | made up of skin, its appendages, hair and nails - protects body from bacterial invasion, dehydration and harmful rays from the sun |
Muscular system | largest system - gives ability to move, maintains posture and produces heat (includes skeletal- moves skeleton, visceral- under involuntary movement and cardiac- wall of heart/involuntary) |
Respiratory system | functions along with circulatory system to deliver a constant supply of oxygen to cells and remove carbon dioxide - consists of external/internal respiration - structures: nose, pharynx, larynx, trachea, bronchi and lungs |
Urinary system | responsible for filtering waste of metabolism from blood and eliminating them - consists of two kidneys, two ureters, bladder and urethra - maintains water/electrolyte balance - regulates body fluids |
What is hemoglobin | red part of RBC - transports oxygen to body |
What do cells form | cells of a similar structure and function form tissue (epithelial, muscle, nerves, connective) |
Order of the Coagulation Cascade | 1. vasoconstriction 2. platelet plug formation 3. fibrin clot formation 4. fibrinolysis |
Define serum | plasma without its clotting factors |
Define homeostasis and what is an example of it | ability or tendency of an organism or cell to maintain equilibrium - coagulation is the primary example of homeostasis - *hemostasis: process by which the body stops blood leaking out of a wound |
Define formed elements | cellular portion of the blood - constitutes 45% of blood volume - 91% are RBCs, rest is platelets/WBCs |
Define nosocomial infection | infection contracted by a pt while in the hospital/medical setting - *often cause by failure of medical personnel to follow infection control |
Solution you clean caddy with | Bleach solution - 10% bleach, 90% water |
PPE required with drawing blood | AT LEAST gloves - other PPE according to infection prevention needed - * N95 respirator (ex. TB) |
Define infection | invasion and growth of a microorganism in the body that causes disease - *infectious organisms = pathogens |
Vaccine OSHA requires employer to provide for free | Hepatitis B |