Study

Fluid and Electrolytes plus ABGs

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  • Which electrolyte disturbance corresponds with hypocalcemia and hypokalemia?
    Hypomagnesemia (Normal Adult Magnesium Levels 0.7 - 1.1 mg/dL)
  • What are the three compartments in the body where fluid and solutes move between?
    Intracellular, Intravascular, & interstitial
  • What sign or symptom distinguishes pyelonephritis from cystitis
    Flank pain and urinary casts (white blood cells, red blood cells, kidney cells, or substances such as protein or fat & indicates kidney damage/inflammation)
  • What is the force that pulls in?
    Oncotic/osmotic pressure
  • Name this term: Dark-colored (tarry) stool
    Melena: results from bleeding that occurs further up the GI tract
  • Who is the major electrolyte in intracellular fluid?
    Potassium
  • Lethargy, Nausea and vomiting, Impaired reflexes, Muscle paralysis, Respiratory and cardiac arrest are associated with which electrolyte disturbance?
    Hypermagnesemia (Normal Adult Magnesium Levels 0.7 - 1.1 mg/dL)
  • Cardiac dysrhythmias, Cramping leg pain, Weak or paralyzed skeletal muscles, Abdominal cramping or diarrhea are signs of which electrolyte imbalance?
    Hyperkalemia (Normal Adult Potassium Levels 3.5 - 5.3 mEq/L)
  • Of the 3 different fluid spacing's which fluid is trapped where it is difficult or impossible for it to move back into cells or blood vessels?
    3rd spacing
  • Are sodium levels usually decreased or increased in Fluid Volume Excess?
    Decreased
  • Positive Chvostek Sign & Trousseau’s Sign are associated with which electrolyte imbalance?
    Hypocalcemia (Normal Adult Calcium Levels 8.2 - 10.2 mg/dL)
  • Active transport requires what for movement of solutes to occur?
    ATP/energy
  • ID this ABG: pH: 7.29, PaCO2: 40, HCO3: 20
    Metabolic Acidosis
  • ID this ABG: pH 7.51, PaCO2: 50, HCO3: 24
    Respiratory Alkalosis
  • Name 3 of the 4 potential causes of edema
    increased capillary hydrostatic pressure resulting in hypervolemia,loss of plasm proteins,obstruction of the lymphatic circulation,and increased capillary perm.
  • Who is the major electrolyte in extracellular fluid?
    Sodium
  • Hypotonic fluids cause cells to do what?
    Swell or burst
  • Name the 2 organs involved in regulating acid/base balance
    Lungs & kidneys
  • What is the force that pushes out?
    Hydrostatic pressure
  • What is the net movement of solutes from a region of higher concentration to a region of lower concentration?
    Diffusion
  • Rebound pain/tenderness during palpation of right side abdomen can be indicative of this medical emergency
    Appendicitis
  • Name and identify normal values for the three labs of interest in interpreting ABGs
    pH 7.35-7.45, PaCo2 35-45, HCO3 (bicarb) 22-26
  • Name the following disease's pathophysiology: Pressures in the esophagus decrease, affecting the closure of the lower esophageal sphincter
    GERD (gastroesophageal reflux disease)
  • Which of the following is not a cause of edema? Heart failure, Increase in capillary oncotic pressure, Blood clot, or Increase in capillary permeability
    Increase in capillary oncotic/osmotic pressure
  • List 3 possible causes of dehydration.
    Vomiting, diarrhea, excessive sweating, decreased sodium intake, inadequate fluid intake
  • Changes in skin turgor, hypovolemia, tachycardia, weak pulse, and confusion are signs of what?
    Dehydration
  • Hypertonic fluids cause cells to do what?
    Shrivel or shrink
  • The more (blank) ions, the more acidic the fluid? Fill in blank
    Hydrogen (H+)
  • Thirst, Alterations in mental status, ranging from agitation, restlessness, confusion and lethargy to seizures and coma are signs of which electrolyte imbalance?
    Hypernatremia (Normal Adult Sodium Levels 135 - 145 mEq/L)
  • What 2 labs are commonly used to determine kidney function
    BUN: 8-20mg/dl & Creatinine: 0.7-1.2mg/dl