Acid Base Questions

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Acid Base Questions

1. A 44 year old moderately dehydrated man was admitted with a 2/7 history of acute severe diarrhea. Electrolyte results: Na+ 134, K+ 2.9, Cl- 108, HCO3- 16, Urea 25, Cr 150 , Alb 40 ABG: pH 7.31 pCO2 33 mmHg� HCO3 16 pO2 93 mmHg

1. NAGMA with adequate compensation

2. HAGMA with adequate compensation

3. NAGMA with inadequate compensation

4. HAGMA with inadequate compensation

5. Respiratory Acidosis

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2. 29 year old with PMHx of Cerebral Palsy p/w fever , URTI symptoms and a rash 2/7. Renal panel shows : Na 133 , k 4 , HCO3 12 , Albumin 32 , cl 107.(Assume pH is low and pCO2 is adequately compensating)What’s the corrected anion gap ?

1. 18

2. 10

3. 14

4. 16

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3. Which of the following drugs can cause NAGMA?

1. Furosemide

2. Spironolactone

3. Acetazolamide

4. 1&2

5. 2&3

6. 1&3

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4. A 22 year old female with type I DM, presents to the emergency department with a 1/7 history of nausea, vomiting, polyuria, polydypsia and vague abdominal pain. O/e Deep sighing breathing, orthostatic hypotension, and dry mucous membranes. Labs: Na 132 , K 6.0, Cl 93, HCO3- 11 glucose 720, BUN 38, Cr 2.6. �UA: pH 5, SG 1.010, ketones negative, glucose positive . Plasma ketones trace. �ABG: pH 7.27 HCO3- 10 PCO2 23 What is the acid base disorder?

1. NAGMA with adequate compensation

2. NAGMA with inadequate compensation

3. HAGMA with adequate compensation

4. HAGMA with inadequate compensation

5. Respiratory alkalosis

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5. A 70 year old man with history of CHF presents with increased shortness of breath and leg swelling.�ABG: pH 7.24, PCO2 60 mmHg, PO2 52 HCO3- 27 What is the acid base disorder?

1. Metabolic acidosis

2. Acute Respiratory acidosis with metabolic alkalosis

3. Acute Respiratory acidosis

4. Chronic Respiratory acidosis

5. Not sure

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6. A 50 year old insulin dependent diabetic woman was brought to the ED by ambulance. She was semi-comatose and had been ill for several days. Current medication was digoxin and a thiazide diuretic for CHF.Lab results:Serum chemistry:Na 132,K 2.7,Cl 79,HCO3- 19Glu 815,Lactate 0.9urine ketones 3+ABG: pH 7.41 PCO2 32 HCO3- 19 pO2 82

1. HAGMA + Metabolic Alkalosis

2. NAGMA

3. HAGMA

4. Acute Respiratory alkalosis

5. NAGMA + Metabolic Alkalosis

6. No acid base disturbance

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