Which conditions would lead to an increase in stroke volume?
A. Increased preload, increased afterload
B. Increased preload, decreased afterload
C. Decreased preload, increased afterload
D. Decreased preload, decreased afterload
B
An increased preload increases contractility; decreased afterload reduces the amount of resis-tance to ejection of blood from the left ventricle. Both changes together increase stroke volume of the left ventricle.
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While assessing the fluid and electrolyte status of a high-acuity patient, the nurse determines the presence of edema. This information was found during which of the following components of the assessment?
1. history 2. vital signs 3. hemodynamic monitoring 4. physical
The nurse is caring for a 71-year-old who underwent a total hip replacement and then developed constipation from lack of activity. What action by the nurse could have prevented constipation in this client?
a. encouraging the client to get out of bed more often after surgery b. collaborating with the dietician to provide more high-protein foods for the client during hospitalization c. increasing the client's postoperative intravenous fluids d. collaborating with the health care provider about prophylactic use of stool softeners
A patient tells the nurse that he is recently unemployed and has fears that he will never find another job. The nurse recognizes this patient's internal stressor as being:
1. All-or-nothing thinking. 2. Denial. 3. A catastrophic event. 4. A realistic expectation.
Power analysis is used to estimate the sample size needed to adequately test research hypotheses
A) True B) False