Ectopic foci are often caused due to:
A. a delay or blockage in the conduction of electrical impulses.
B. an increase in the activity of the sinoatrial (SA) node.
C. a decrease in the number of cholinergic neurons innervating the heart.
D. an increase in the activity of the atrioventricular (AV) node.
Answer: A
You might also like to view...
Nurse X wants to use a very detailed decision-making tool to show the amount of time required to complete a project from beginning to end. Which tool should she use?
a. Delphi diagram c. Gantt chart b. PERT diagram flowchart d. Decision analysis tree
Which finding from a patient's right knee arthrocentesis will be of concern to the nurse?
a. Cloudy fluid b. Scant thin fluid c. Pale yellow fluid d. Straw-colored fluid
For a functionally illiterate client, the nurse particularly focuses on:
1. Using intricate analogies and examples 2. Avoiding lengthy return demonstrations 3. Incorporating familiar nonmedical terminology 4. Providing longer learning sessions with the client
Which statement best describes collaboration?
1. Collaboration is a process. 2. Goals may be different among staff collaborating. 3. Collaboration is positive. 4. Collaboration occurs between two people.