A patient has a positive response to a Candida test, in addition to a positive purified protein derivative (PPD) skin test. Which interpretation of these results is correct?
a. The patient is anergic.
b. The patient's PPD test is reliable.
c. The patient has a Candida infection.
d. The patient has active TB infection.
ANS: B
The positive Candida reaction means the patient's immune system is intact and that the PPD test is reliable. A. Two negative results would indicate anergy. C. All patients react to Candida. D. Active infection is possible but must be confirmed with a culture.
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The nurse is preparing medication for parenteral administration that comes in a vial and must be mixed from powder with sterile saline. The vial says to mix the medication with 4
8 mL; however, the nurse knows the medication must be further diluted to 25 mL before administering. The nurse will: 1. Add 29.8 mL of fluid to the vial. 2. Add 4.8 mL of fluid to the vial, draw out the medication, and dilute to 25 mL. 3. Add 25 mL to the vial. 4. Any of these methods would be accurate.
What is the major cause of intrarenal acute renal failure (ARF)?
a. acute tubular necrosis c. renal tumors b. glomerulonephritis d. urolithiasis
A patient, identified as a potential organ donor, has been diagnosed as brain dead and is being maintained on ventilator support. The nurse is reviewing the patient's hemodynamic parameters and is concerned about which findings?
1. Mean arterial pressure 50 mm Hg 2. Central venous pressure 5 mm Hg 3. Serum sodium 145 mEq/L 4. Serum glucose 140 mg/dL 5. Ejection fraction 30%
A client has accidentally disconnected a chest tube while turning over in bed. The suction tubing is on the floor. The most appropriate action by the nurse is to
a. call the physician immediately and prepare the client for reinsertion. b. clamp the chest tube just proximal to the open end. c. reattach the drainage tube to the suction tubing. d. submerge the end of the drainage tube in a bottle of sterile saline.