The nurse is caring for a client with a dysrhythmia. While assessing the data in the history of the chart, the nurse anticipates the cause of the dysrhythmia to be which of the following?
A) Peripheral vascular disease
B) Ischemic heart disease
C) Aortic stenosis
D) Atherosclerotic heart disease
B
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The nurse realizes that the most common cause of dysrhythmias is ischemic heart disease. When the heart does not obtain sufficient blood to meet demands, the heart works harder to circulate body fluids and becomes inefficient in the process. Problems with the peripheral vessels, narrowing of the aorta and plaque buildup in the vessels may be a component of the disease process but not the best answer.
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A client is brought to the emergency department (ED) after passing out in a local department store. The client has been fasting and has ketones in the urine. Which acid-base imbalance would the nurse expect to assess in this client?
A) Metabolic acidosis B) Respiratory alkalosis C) Metabolic alkalosis D) Respiratory acidosis
A researcher believes that therapy is more effective if patients exercise
He tells his patients that he has arranged for them to use the hospital gym, if they so desire—and that if they are interested, they will then be in the experimental group. This represents which threat to internal validity? a. Maturation b. Reliability of the implementation c. History d. Selection
The member of the health care team responsible for performing treatments to assist the patient to breathe more efficiently and effectively is the
a. occupational therapist. b. physical therapist. c. respiratory therapist. d. psychotherapist.
It is important to know the demographic variables among study subjects in order to
a. calculate central tendency and standard deviation of study scores. b. ensure that control and experimental subjects are different. c. ensure that outcomes are not caused by independent variables. d. understand how well the sample represents the target population.