Which of the following is an expected finding in the bone marrow in a patient with the following results: serum iron = 124 mcg/dL (reference range: 35-170 ug/dL); TIBC = 284 mcg/dL (reference range: 225-425 mcg/dL)?
a. Decreased or absent Prussian blue specks
b. Adequate iron stores with Prussian blue stain
c. Sea blue histiocytes
d. Increased iron stores
Correct Answer: B
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A woman with severe pain in her shoulder is prescribed hydromorphone 3 mg slow IV push over 5 to 10 minutes, q4h, as needed. On hand is hydromorphone 10 mg / mL. How many milliliters should be administered?
A. 0.1 mL B. 0.2 mL C. 0.3 mL D. 0.4 mL
A tracheostomy tube has just been inserted percutaneously into a patient with a C3 fracture. How much air should the respiratory therapist initially inject into the cuff?
A. Enough to achieve a pressure of 25-35 cmH2O. B. Enough to achieve a minimal occluding volume. C. A minimum of 20 mL. D. Until firm tension is felt in the pilot balloon.
Which class of medications are used to treat type II diabetes?
A. methylxanthines B. thiazolidinediones C. aminoglycocides D. bisphosphonates
What is the most common complication of hyperbaric oxygen therapy?
a. Air embolism b. Pneumothorax c. Ear or sinus barotrauma d. Seizures or convulsions