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- Which laboratory finding is indicative of acute kidney injury (AKI)? a) Increased serum creatinine and blood urea nitrogen (BUN) levels b) Decreased serum potassium levels c) Elevated white blood cell count d) Decreased serum calcium levels17. A 55-year-old man comes to the physician for a routine health maintenance examination. Blood pressure is 170/98 mm Hg. Diagnostic studies show stenosis in the lett renal artery The right renal artery is normal. Which of the following findings is most likely on further evaluation? OA) Decreased extracellular fluid volume B) Decreased plasma aldosterone concentration C) Increased plasma renin activity D) Increased serum potassium concentration OE) Increased 24-hour urinary sodium excretionReduced osmolality in the blood leads to ... a) Increase the water permeability in the collection pipe b) Reduced urinary osmolality c) Reduced urine volume d) Increased ADH secretion
- A Class III antiarrhythmic blocks _______________ channels. A) Potassium B) Calcium C) Sodium D) Beta When would a loop diuretic be contraindicated? A) Hypotension B) Excessive urination C) Tachycardia D) Hypercalcemia For which of the following would an antiplatelet medication be indicated? A) Excessive hemorrhage B) Hypertension C) Myocardial Infarction D) Congestive Heart Failure Which of the following is a contraindication to anticoagulant administration? A) Ischemic stroke B) Myocardial infarction C) Atrial Fibrillation D) Hemorrhage A Class I antiarrhythmic blocks _____________ channels. A) Iodine B) Potassium C) Sodium D) CalciumA patient is found to have severe arteriosclerosis of the renal arteries, which reduces renal blood flow. Which of the following options is consistent with this diagnosis? a) hypotension b) reduced vasomotor tone c) increased sympathetic stimulation of the heart b d) hypertensionA patient with chronic kidney disease is prescribed a phosphate binder such as calcium acetate. The nurse understands that this medication is given to: a) Lower serum potassium levels b) Prevent hypocalcemia c) Decrease phosphate absorption and prevent hyperphosphatemia d) Improve renal blood flow
- When preparing an IV solution that contains potassium, the nurse knows that a contraindication to the potassium infusion would be a) diarrhea.b) serum sodium level of 145 mEq/L.c )serum potassium level of 5.6 mEq/L.d) dehydration.Which symptom is most commonly associated with urinary tract infections (UTIs)? A) Polyuria B) Dysuria C) Hypertension D) Diaphoresis33. The rate of HCO3-reabsorption in the renal tubules is increased by which of the following? OA) A decrease in the filtered load of HCO3 O B) An increase in arterial Pco₂ C) An increase in extracellular fluid volume OD) An increase in serum Cl-concentration O) E Inhibition of renal carbonic anhydrase activity
- a patients bun is 50 mg/dl and his serum creatinine is 2.5 mg/dl .these result suggest A) patient was not fasting B) a laboratory error C) renal failure D) prerenal failureA person was attacked by a knife on the waist with gross hematuria, what should be selected firstly() A) surgically explore B) antibiotics injection C) prevent shock D) renal angiography E) renal CT scanIn the management of a patient with DKA, why is potassium added to the maintenance fluids even if potassium is normal or high? Question 7 options: a) Insulin promotes renal potassium loss b) Potassium shifts from the extracellular fluid to the intracellular fluid when acidosis corrects c) Maintenance fluids will dilute potassium levels in the extracellular fluid d) Osmotic diuresis may continue to deplete extracellular fluid potassium levels