A patient is being tested for possible leukemia. With which diagnostic test should the nurse anticipate assisting?
a. Liver biopsy
b. Thoracentesis
c. Bone marrow biopsy
d. Arterial blood gas analysis
ANS: C
Although a simple complete blood count (CBC) often points toward the diagnosis, only bone marrow aspiration can show the extent of proliferation of the malignant WBCs and confirm the diagnosis of leukemia. B. D. Thoracentesis and arterial blood gases diagnose pulmonary problems A. Liver biopsy is used to detect liver cancer.
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A pacemaker is connected to an external temporary pulse generator. The sensitivity control
a. determines heart rate to muscle activity. b. determines the milliamperes needed to achieve capture. c. regulates the ability of the pacemaker to detect the heart's intrinsic electrical activity. d. allows for selection of intervals between atria and ventricles.
The nurse is caring for a 45-year-old female patient who is in chronic renal failure. What cholinergic drug is contraindicated for this patient?
A) Neostigmine B) Pyridostigmine C) Edrophonium D) Galantamine
A client with coronary artery disease (CAD) is having frequent premature ventricular contractions (PVCs) and dysrhythmias. It is most important for the nurse to:
1. Maintain client on complete bed rest. 2. Administer p.r.n. antianxiety medications. 3. Maintain patency of the intravenous line. 4. Document the ECG rhythm hourly.
The nurse is performing an assessment on zone III of the neck on a client with a cervical spine injury. The nurse understands that zone III is comprised of which structures? Select all that apply.
A) Esophagus B) Distal carotid and vertebral arteries C) Jugular veins D) Pharynx E) Spinal cord