Select a research article, other than the articles from your assignments, from the GCU library. Provide an overview of the study and describe the strategy that was used to select the sample from the population. Evaluate the effectiveness of the sampling method selected. Provide support for your answer. Include the article title and permalink in your post. 

Identify three key questions you will ask and answer when reading the research study and why these questions are important. 

 

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 Provide examples of experimental and nonexperimental research design. Contrast the levels of control applied to each. 

 

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Provide two different examples of how research uses hypothesis testing, and describe the criteria for rejecting the null hypothesis. Discuss why this is important in your practice and with patient interactions.

 

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Use the following Case Scenario, Subjective Data, and Objective Data to answer the Critical Thinking Questions.

Case Scenario

Mrs. J. is a 63-year-old woman who has a history of hypertension, chronic heart failure, and sleep apnea. She has been smoking two packs of cigarettes a day for 40 years and has refused to quit. Three days ago, she had an onset of flu with fever, pharyngitis, and malaise. She has not taken her antihypertensive medications or her medications to control her heart failure for 4 days. Today, she has been admitted to the hospital ICU with acute decompensated heart failure.

Subjective Data

1. Is very anxious and asks whether she is going to die.
2. Denies pain but says she feels like she cannot get enough air.
3. Says her heart feels like it is “running away.”
4. Reports that she is so exhausted she cannot eat or drink by herself.

Objective Data

1. Height 175 cm; Weight 95.5 kg
2. Vital signs: T 37.6 C, HR 118 and irregular, RR 34, BP 90/58
3. Cardiovascular: Distant S1, S2, S3 present; PMI at sixth ICS and faint; all peripheral pulses are 1+; bilateral jugular vein distention; initial cardiac monitoring indicates a ventricular rate of 132 and atrial fibrillation
4. Respiratory: Pulmonary crackles; decreased breath sounds right lower lobe; coughing frothy blood-tinged sputum; SpO2 82%
5. Gastrointestinal: BS present: hepatomegaly 4 cm below costal margin

Critical Thinking Questions

What nursing interventions are appropriate for Mrs. J. at the time of her admission? Drug therapy is started for Mrs. J. to control her symptoms. What is the rationale for the administration of each of the following medications?

1. IV furosemide (Lasix)
2. Enalapril (Vasotec)
3. Metoprolol (Lopressor)
4. IV morphine sulphate (Morphine)

Describe four cardiovascular conditions that may lead to heart failure and what can be done in the form of medical/nursing interventions to prevent the development of heart failure in each condition.

Taking into consideration the fact that most mature adults take at least six prescription medications, discuss four nursing interventions that can help prevent problems caused by multiple drug interactions in older patients. Provide rationale for each of the interventions you recommend.

 

 

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 Describe sampling theory and provide examples to illustrate your definition. Discuss generalizability as it applies to nursing research. 

 

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