EF - FLUID ELEC ACID BASE Flashcards
· acid–base balance
o The homeostasis of acidic and basic (alkaline) compounds in the blood to maintain a blood pH of between 7.35 and 7.45.
· acidosis
o Levels of acid in the blood are too high, a pH of less than 7.35.
· active transport
o The movement of electrolytes or molecules across a cell membrane with the use of energy in the form of enzymes.
· air embolism
o Obstruction of a vessel by air.
· alkalosis
o The blood is too alkaline, a pH of greater than 7.45.
· antidiuretic hormone (ADH)
o A hormone excreted by the hypothalamus in the brain that maintains blood pressure and fluid volume. Also known as vasopressin.
· antigens
o Substance that can trigger an immune response if foreign in the body.
· apoptosis
o Destruction of a cell.
· arrhythmias
o Abnormal heart rhythm.
· basic metabolic panel (BMP)
o A blood test that provides information regarding electrolyte and fluid balance and includes information regarding renal function and glucose levels.
· blood type
o A classification of the blood that includes 4 main groups: A, B, AB and O.
· bradycardia
o A heart rate that is less than the expected reference range.
· central venous access devices (CVADs)
o Device inserted in the body through a central vein such as the subclavian or jugular and allows administration of fluids, blood, medications, and other therapies.
· Chvostek sign
o Test which may indicate low calcium or magnesium levels. A positive result results in a twitching response of the side of the face when facial nerves are tapped.
· circulatory overload
o A complication of IV therapy in which too much fluid is administered too quickly.
· colloidal solutions
o Intravenous solutions that contain large molecules unable to pass through capillary membranes.
· complete metabolic panel (CMP)
o A blood test that provides information regarding electrolyte and fluid balance. In addition to those findings included in the BMP, the CMP also includes information regarding the body’s metabolism, including protein and liver function.
· creatinine (CR)
o Reflection of renal function; a byproduct of skeletal muscle contractions (creatine), which is then excreted through the urine.
· dehydration
o Excess water loss without a loss of sodium.
· diffusion
o Movement of solutes from an area of higher concentration to one of lower concentration.
· diuretics
o A category of medications that cause increased urination.
· edema
o Swelling due to excess fluid.
· electrocardiogram (ECG)
o A test to check heart activity including heart rate and rhythm.
· electrolytes
o Minerals in the body that conduct electricity.
· extracellular space
o The space outside the cell that includes the interstitial and intravascular areas.
· extravasation
o Inadvertent administration of a vesicant fluid into tissues surrounding an intravenous cannula.
· flow rate
o Rate at which fluids are being infused intravenously.
· fluid volume deficit
o A condition caused by the loss of water; also referred to as hypovolemia.
· fractionation
o Removing components of plasma for use.
· granulocytes
o A type of white blood cell responsible for immune responses during infections and allergic reactions that is comprised of neutrophils, eosinophils, and basophils.
· half-life
o The amount of time required for 50% of a drug to be excreted from the body.
· hematocrit
o A measure of RBCs in total blood volume.
· hemodialysis
o Process of filtering waste from the blood using a machine.
· hemoglobin
o A component of the red blood cell that carries oxygen and carbon dioxide to and from the cells.
· heparin
o Anticoagulant agent.
· homeostasis
o A state of equilibrium.
· Hypercalcemia
o Calcium level above expected reference range of 9 to 10.5 mg/dL (total calcium).
· hyperkalemia
o Potassium level above expected reference range of 3.5 to 5 mEq/L.
· hypermagnesemia
o Magnesium level above expected reference range of 1.3 to 2.1 mEq/L.
· hypernatremia
o Sodium level above expected reference range of 136 to 145 mEq/L.
· hyperparathyroidism
o Overactive parathyroid gland.
· hypertonic
o A solution that has more solutes than are present within the cell and results in fluid movement out of the cell.
· hyperventilation
o An increase in the rate and depth of breathign that leads to excessive loss of carbon dioxide from the blood.
· hypervolemia
o Fluid overload, the body has too much water.
· hypocalcemia
o Calcium level below expected reference range of 9 to 10.5 mg/dL (total calcium).
· hypoglycemia
o A blood glucose level below the expected reference range.
· hypokalemia
o Potassium level below expected reference range of 3.5 to 5 mEq/L.
· hypomagnesemia
o Magnesium level below expected reference range of 1.3 to 2.1 mEq/L.
· hyponatremia
o Sodium level below expected reference range of 136 to 145 mEq/L.
· hypoparathyroidism
o Body produces low levels of parathyroid hormone (PTH).
· hypotension
o A blood pressure that is below the expected reference range.
· hypotonic
o A solution that has fewer solutes than cell components and results in fluid moving into the cell.
· hypovolemia
o Decrease in blood volume due to body fluid or blood loss.
· hypovolemic shock
o When the body loses 20 percent or one-fifth of its blood or fluid supply.
· infiltration
o The inadvertent administration of fluid into the tissue surrounding an IV site due to displacement of the intravenous catheter tip.
· infusate
o The solution being infused through an intravenous access device.
· intake
o Amount taken in by the client, including oral, intravenous, and enteral routes, in addition to irrigation.
· interstitial space
o The space outside the cells; a component of the extracellular space.
· intracellular space
o The space within a cell.
· intravascular
o The space within the vascular system including within the chambers of the heart, the arteries, and veins.
· intravenous (IV)
o Within the vein.
· ionized calcium level
o Circulating calcium within the blood that is not attached to proteins.
· isotonic
o A solution that has the same number of solutes than cell components and results in no fluid movement into or our of the cell.
· kidney failure
o The inability of the kidneys to function properly and remove waste from the body.
· kidneys
o Organs that filter the blood and excrete waste as urine.
· leukocytes
o Also known as white blood cells; a component of the blood that make up the immune system.
· magnesium
o Electrolyte that helps with regulation of nerve and muscle function, blood pressure, and blood sugar levels, and making DNA, protein, and bone.
· metabolic acidosis
o When the blood in the body is too acidic, with an HCO3- less than 21 and a pH less than 7.35.
· metabolic alkalosis
o Blood in the body is too alkaline, with an HCO3- greater than 28 and a pH greater than 7.45.
· osmolality
o A measurement of the solutes within a solution.
· osmosis
o The movement of water across a semipermeable membrane from an area of higher concentration to one of lower concentration, such as fluid moving into or out of a cell, in an effort to maintain homeostasis.
· osteopenia
o Low bone mass.
· output
o The amount produced and eliminated by the client’s body, including urine, vomitus, drainage, and liquid stools.
· paralysis
o Loss of muscle function.
· paralytic ileus
o A cessation of intestinal motility.
· parathyroid hormone (PTH)
o Hormone secreted by the parathyroid gland that regulates serum calcium concentration.
· peripheral intravenous catheters
o Single-lumen plastic cannulas inserted into a peripheral vein, also known as peripheral venous access device or peripheral IV.
· peripherally inserted central catheters (PICCs)
o Device inserted peripherally through a vein in the arm with the tip centrally located to administer fluids, blood, medications, and other therapies.
· phlebitis
o Inflammation of the inner lining of the vein, the tunica intima, caused by mechanical, chemical, or bacterial factors.
· plasma
o Straw-colored liquid portion of blood containing water, proteins, salts, and antibodies.
· potassium
o Eectrolyte for nerve and muscle function, especially for the heart.
· potassium-sparing diuretic
o A medication that promotes the excretion of urine while retaining potassium.
· red blood cells (RBCs)
o Also known as erythrocyte; a component of the blood that contains hemoglobin that is responsible for oxygen and carbon dioxide transport throughout the body.
· rehydration
o Process of restoring lost water back into the body tissues and fluids either orally or through the administration of intravenous fluids.