The nurse is providing care for a hemodynamically unstable patient in a critical care setting
The nurse has read in the patient's chart that his most recent echocardiogram prior to admission indicated a low stroke volume, which the nurse recognizes as being a function of preload, afterload, and contractility. Which of the following statements best describes afterload?
A) The pressure that the ventricles exert on the atria after the conclusion of systole
B) The mean arterial pressure during diastole
C) The quantity of blood that remains in the ventricle at the end of systole
D) The amount of resistance to the ejection of blood from the ventricle
D
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A community health nurse uses quantitative measures for planning family care for which reason?
A) It provides information about essential characteristics. B) It ensures an adequate database for planning nursing actions. C) It eliminates the need for priority setting with the plan of care. D) It provides a means to assess progress toward goals.
After taking penicillamine for 4 weeks, a patient has not noticed any improvement. She should be told that:
1. therapeutic effects may not be seen for several more weeks. 2. she may not be taking a high enough dosage. 3. she should be switched to another drug. 4. she should take other antiarthritis medications at the same time to help in control-ling the symptoms.
An example of an explicit cultural behavior is
a. Interpersonal distance b. Body language c. Use of titles d. Perception of health and illness
A patient diagnosed with major depression began taking a tricyclic antidepressant 1 week ago. Today the patient says, "I don't think I can keep taking these pills. They make me so dizzy, especially when I stand up." The nurse will:
a. limit the patient's activities to those that can be performed in a sitting position. b. withhold the drug, force oral fluids, and notify the health care provider. c. teach the patient strategies to manage postural hypotension. d. update the patient's mental status examination.