MLT Chemistry Quiz with 100% Correct Answers

MLT Chemistry Quiz with 100% Correct Answers What electrolyte is the main contributor to plasma osmolality? - Answer️️ -Sodium What is the main extracellular cation? - Answer️️ -Sodium What is the main intracellular cation? - Answer️️ -Potassium What anion is a passive follower of Sodium? - Answer️️ -Chloride What hormone increases serum calcium? - Answer️️ -PTH (Parathyroid Hormone) What hormone decreases serum calcium? - Answer️️ -Calcitonin How does calcitonin decrease serum calcium? - Answer️️ -It inhibits osteoclasts and increases calcium excretion in urine What is the function of ADH? - Answer️️ -Causes water reabsorption What is the function of aldosterone? - Answer️️ -Causes retention of water and sodium reabsorption Is acidosis associated with increased or decreased potassium? - Answer️️ -increased Is alkalosis associated with increased or decrease potassium? - Answer️️ -decreased What is the equation for calculating osmolality? - Answer️️ -2 Na + Glu (mg/dL)/20 + BUN (mg/dL) / 3 What are causes of an elevated anion gap? - Answer️️ -'KULT' K = Ketoacidosis (DKA, alcoholic ketoacidosis, starvation) ©SOPHIABENNETT EXAM SOLUTIONS Saturday, September 7, 2024 6:58 PM Page | 2 U = Uremia (renal failure) L = Lactic acidosis T = Toxins (Ethylene glycol, methanol, paraldehyde, salicylate) Whare are causes of a decreased anion gap? - Answer️️ -Hypoalbuminemia or severe hypercalcemia Blood Gases: How is pH measured? - Answer️️ -ISE Blood Gases: How is pCO2 measured? - Answer️️ -Severinghaus/ISE Blood Gases: How is pO2 measured? - Answer️️ -Clark electrode Blood Gases: How is O2 saturation measured? - Answer️️ -Co-oximetry Blood Gases: How is pHCO3- measured? - Answer️️ -Calculated What is the equation used to calculate bicarbonate? - Answer️️ -Henderson- Hasselbalch What is amperometric? - Answer️️ -amount of current flow What is potentiometric? - Answer️️ -change in voltage Are the pO2, pCO2, and pH electrodes amperometric or potentiometric? - Answer️️ - pO2 = amperometric pCO2 & pH = Potentiometric How does metabolism affect Blood Gas results? - Answer️️ -↑pCO2, ↓p