A 70-year-old woman with a history of atrial fibrillation takes digoxin and verapamil to control her health problem. Verapamil achieves a therapeutic effect by
A) blocking adrenergic receptors and producing antisympathetic effects.
B) inhibiting the movement of calcium ions across the cardiac muscle cell membrane.
C) decreasing sodium and potassium conduction.
D) weakening diastolic depolarization and the action potential duration.
C
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If a verbal or phone order is necessary in an emergency, the order:
a. must be taken by an RN or LPN. b. must be repeated verbatim to confirm accuracy. c. documented as a written order. d. does not need further verification by the provider.
The nurse's chief function is to collaboratively plan, coordinate, and evaluate services in a cost-effective manner. The nurse fulfills which role within the care delivery system?
1. Nurse practitioner 2. Clinical nurse specialist 3. Clinical nurse leader 4. Case manager
A client is going to have tender points examined to determine the diagnosis of fibromyalgia. The nurse should instruct the client the number of tender points that must be positive for the diagnosis would be:
1. 11. 2. 13. 3. 15. 4. 17.
Which of the following does NOT cause embolisms?
A. Air B. Fat C. Amnionic fluid D. Bacteria