What is the correct definition for A-fib?
A. A flaw in the septum that divides the two upper chambers of the heart
B. Quivering or spontaneous contraction of muscle fibers in the heart's lower chamber
C. Obstruction of a coronary artery by a clot
D. Quivering or spontaneous contraction of muscle fibers in the heart's upper chamber
E. A flaw in the septum that divides the two lower chambers of the heart
Answer: D
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Surgery performed to realign bone fragments is called a(n):
A) open reduction. B) external fixation. C) traction. D) internal fixation.
The combining form that means air sac or alveolus is ________.
Fill in the blank(s) with the appropriate word(s).
An order that reads: “Morphine sulfate 2 mg IV every 2 hours PRN pain” may be given ______.
a. every 2 hours as needed for patient’s complaints of pain b. intramuscularly c. every 2 hours around the clock d. whenever the nurse suspects the patient may be having pain
A patient is to receive an IV infusion of 500 milliliters of normal saline over a period of 12 hours. A nurse checks on the patient after 2/4 of the bag has been infused. How many milliliters of fluid has the patient received? How many hours have passed since the IV was started?
A) 250 milliliters; 6 hours B) 500 milliliters; 12 hours C) 510 milliliters; 14 hours D) 300 milliliters; 9 hours E) 250 milliliters; 9 hours