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 being instructed on how to perform pursed-lip breathing. Which of the following should be included in the plan of care?

• A. Take quick breaths upon inhalation.
• B. Place your hand over your stomach.
• C. Take a deep breath in through your nose.
• D. Puff your cheeks upon exhalation.

Correct answer: C

Rationale: Pursed-lip breathing is a breathing technique that involves inhaling slowly through the nose and exhaling gently through pursed lips. This technique helps improve breathing efficiency and can be beneficial for individuals with respiratory conditions. Instructing the client to take a deep breath in through the nose is essential for proper execution of pursed-lip breathing, making choice C the correct answer.

3. A client with heart failure has a new prescription for furosemide. Which of the following statements should the nurse make?

• A. Taking furosemide can cause your potassium levels to be high
• B. Eat foods that are high in sodium
• C. Rise slowly when getting out of bed
• D. Taking furosemide can cause you to be overhydrated

Correct answer: C

Rationale: Educating the client on the importance of rising slowly when getting out of bed is crucial due to the risk of orthostatic hypotension associated with furosemide use. This precaution helps prevent dizziness and falls. Options A and D are incorrect as furosemide commonly causes hypokalemia and dehydration, respectively, rather than high potassium levels or overhydration. Option B is inaccurate as clients on furosemide need to reduce sodium intake to manage fluid retention.

4. What is the transparent membrane that focuses the light entering the eyes onto the retina?

• A. Lens
• B. Sclera
• C. Cornea
• D. Pupils

Correct answer: A

Rationale: The correct answer is the lens. The lens is a transparent structure in the eye that helps to focus light onto the retina, which is essential for clear vision. The cornea and sclera are also important parts of the eye, but the lens specifically plays a crucial role in focusing light onto the retina. The sclera is the white outer layer of the eye that helps maintain the shape of the eye, while the cornea is the clear outer covering of the eye that helps to refract light into the eye.

5. When reviewing the prescriptions for a client with a pneumothorax, which of the following actions should the nurse perform first?

• A. Assess the client's pain.
• B. Obtain a large-bore IV needle for decompression.
• C. Administer lorazepam.
• D. Prepare for chest tube insertion.

Correct answer: B

Rationale: In a client with a pneumothorax, the priority action for the nurse is to obtain a large-bore IV needle for decompression. This intervention helps to relieve the pressure in the pleural space, allowing the lung to re-expand. Prompt decompression is crucial in managing a tension pneumothorax, which can be life-threatening. Assessing pain, administering medication, and preparing for chest tube insertion are important, but they should follow the immediate intervention of decompression in a critical situation like a tension pneumothorax.

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