Mr. Hawes is a 56-year-old patient who was admitted to the hospital with abdominal pain. Tony is the nurse caring for Mr. Hawes, and he has an order from the health care provider for a stool specimen for occult blood
Tony notices that the stool specimen that Mr. Hawes produces is black. Tony knows that this is a sign of melena and indicates that Mr. Hawes has lost at least how much blood? A. 20 mL
B. 30 mL
C. 40 mL
D. 50 mL
D
Blood loss more than 50 mL causes stool to turn black, the sign of melena. To detect quantities less than 50 mL of blood, you will need a laboratory analysis.
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1. Spironolactone (Aldactone) 2. Amiloride (Midamor) 3. Triamterene (Dyrenium) 4. Furosemide (Lasix)
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1. before bed. 2. with meals. 3. 1 hour before or 2 hours after meals. 4. every 4 hours with water.