Thursday, April 3, 2014

Answer 45

45.  Choice D is the correct answer.  Aspirin toxicity not tylenol toxicity is a cause of a widened anion gap.  DKA, Methanol, ethylene glycol, toluene, diethylene glycol, propylene glycol, chronic kidney disease, renal tubular acidosis, and type 4 renal tubular acidosis are all causes of widened anion gap.


Question 45

45.  All of the following are causes of a widened anion gap except?

A.  DKA
B.  Methanol
C.  Ethylene Glycol
D.  Tylenol toxicity


Answer 44

44.  Choice B the correct answer.  Lactic acidosis would typically have some hypoxemia associated with it causing anaerobic metabolism.  Pulmonary embolus would typically have some hypoxemia.  Hyperkalemia not hypokalemia would cause metabolic acidosis.


Question 44

44.  Your patient is a 24 year old male that presents with shortness of breath.  His ABG is as follows pH 7.22,  PaO2 98, PaCO2 23, HCO3 15 on room air.  Which of the following is the most likely diagnosis causing these ABG's?

A.  Lactic Acidosis
B.  Diabetic Ketoacidosis
C.  Pulmonary Embolus
D.  Hypokalemia

Answer 43

43.  Choice C is the correct answer.  MPGN causes diffuse lesions not focal lesions.  MPGN is idiopathic and has low complement.  MPGN affects the basement membrane.



Question 43

43.  Which of the following is not a characteristic of Membranoproliferative Glomerulonephritis (MPGN) ?

A.  Affects the basement membrane
B.  Characterized by low complement
C.  Causes focal lesions
D.  Idiopathic

Answer 42

42.  Choice A is the correct answer.  MRI contrast dye is not nephrotoxic.  CT scan contrast dye can be.  NSAIDS, aminoglycosides, and vancomycin are all potentially nephrotoxic.