Nursing Elites

1. In which of the following organs does the exchange of gases take place?

• A. Kidneys
• B. Lungs
• C. Liver
• D. Heart

Correct answer: B

Rationale: The exchange of gases, specifically oxygen and carbon dioxide, occurs in the lungs. In the lungs, oxygen from the air we breathe enters the bloodstream, while carbon dioxide is removed from the bloodstream and exhaled. This process is essential for respiration and supplying the body with oxygen for energy production. The kidneys filter waste from the blood to produce urine and regulate fluid balance (Choice A). The liver is involved in detoxification, protein synthesis, and producing bile (Choice C). The heart is responsible for pumping blood throughout the body to deliver oxygen and nutrients (Choice D).

2. A client is recovering from an acute myocardial infarction that occurred 3 days ago. Which of the following instructions should the nurse include in the care plan?

• A. Perform an ECG every 12 hours.
• B. Place the client in a supine position while resting.
• C. Draw a troponin level every 4 hours.
• D. Obtain a cardiac rehabilitation consultation.

Correct answer: D

Rationale: After an acute myocardial infarction, cardiac rehabilitation is crucial for the client's recovery. It helps improve the client's overall cardiovascular health, reduces the risk of future cardiac events, and promotes a healthy lifestyle. The other options do not directly address the importance of cardiac rehabilitation in the client's recovery process.

3. What should be done in order to prevent contamination of the environment when making a bed?

• A. Avoid flinging soiled linens
• B. Strip all linens at the same time
• C. Finish both sides at the same time
• D. Embrace soiled linen

Correct answer: A

Rationale: The correct practice to prevent contamination of the environment when making a bed is to avoid flinging soiled linens. Flinging soiled linens can spread contaminants in the environment, leading to potential health risks. By handling soiled linens properly and avoiding flinging them, the risk of contamination is minimized, ensuring a safer and cleaner environment. Stripping all linens at the same time (choice B) may not necessarily prevent contamination if the soiled linens are flung around. Finishing both sides at the same time (choice C) is unrelated to preventing contamination. Embracing soiled linen (choice D) is not hygienic and can lead to spreading contaminants.

4. A client in the emergency department is experiencing an acute asthma attack. Which assessment indicates an improvement in respiratory status?

• A. SaO2 95%
• B. Wheezing
• C. Retraction of sternal muscles
• D. Premature ventricular complexes (PVC's)

Correct answer: A

Rationale: An SaO2 of 95% indicates an improvement in the client's oxygen saturation, suggesting better respiratory status. In asthma exacerbation, a decrease in SaO2 levels would signal worsening respiratory distress. Wheezing, retraction of sternal muscles, and premature ventricular complexes are indicators of respiratory compromise and worsening respiratory status in acute asthma attacks. Monitoring SaO2 levels is crucial in assessing the effectiveness of interventions and guiding treatment decisions.

5. A public health nurse is managing several projects for the community. Which of the following interventions should the nurse identify as a primary prevention strategy?

• A. Teaching parenting skills to expectant mothers and their partners.
• B. Conducting mental health screenings at the local community center
• C. Referring clients with obesity to community exercise programs
• D. Providing crisis intervention through a mobile counseling unit

Correct answer: A

Rationale: The correct answer is teaching parenting skills to expectant mothers and their partners. This intervention is a primary prevention strategy aimed at educating individuals before a problem or condition develops. By teaching parenting skills, the nurse is promoting healthy behaviors and relationships, which can prevent future issues. The other options involve secondary or tertiary prevention strategies by identifying and treating existing conditions or providing interventions after a problem has occurred.

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