Advanced Med-Surg Principles Jersey College Final Exam Questions With Solutions

Advanced Med-Surg Principles Jersey College Final Exam Questions With Solutions Ch 13: What are exchanged for potassium ions during alkalosis or acidosis? - hydrogen ions (ie: metabolic acidosis results in hyperkalemia as H ions are shifted into the ell to raise the pH and potassium leaves the cell and enters the bloodstream) Ch 13: What is necessary for neuromuscular and cardiovascular function? - potassium Ch 13: What helps to regulate muscle contraction and relaxation? - calcium Ch 13: What affects threshold potential? - calcium Ch 13: What contributes to muscle weakness and come? - hypercalcemia Ch 13: What contributes to muscle irritability and tetany? - hypocalcemia Ch 13: What helps with carb and protein metabolism, and affects neuromuscular function and produces vasodilation? - magnesium Ch 13: What lowers the resting membrane potential and makes cells less irritable which could result in an ileus? - hypokalemia Ch 13: What may cause diarrhea, irritability, muscle weakness, and EKG changes (such as tall tented T waves, absent P waves, prolonged PR interval and QRS duration)? - hyperkalemia Ch 13: What may cause muscle weakness, EKG changes (inverted T waves and ST depression), a weak irregular pulse, paralytic ileus, tachydysrhythmias (premature ventricular contractions (PVCs) and ventricular tachycardia (VT)), constipation, and U waves? - hypokalemia Ch 13: What do pts with hypernatremia present with? - thirst - dry muscous membranes - lethargy - restlessness - tachycardia - HTN Ch 13: What are S/S of hypocalcemia? - tetany (a classic sign) - muscle twitching - bronchospasms - laryngeal spasms - seizures - hyperirritability Ch 13: What is a classic sign of low mag (hypomagnesemia)? - tetany