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A client at risk for developing hyperkalemia states, 'I love fruit and usually eat it every day, but now I can't because of my high potassium level.' How should the nurse respond?
- A. Potatoes and avocados can be substituted for fruit.
- B. If you cook the fruit, the amount of potassium will be lower.
- C. Berries, cherries, apples, and peaches are low in potassium.
- D. You are correct. Fruit is very high in potassium.
Correct Answer: C
Rationale: Rationale: Option C is correct because berries, cherries, apples, and peaches are indeed low in potassium compared to other fruits. This response acknowledges the client's love for fruits while providing suitable alternatives to manage potassium levels. By choosing these low-potassium fruits, the client can continue enjoying fruits without exacerbating hyperkalemia.
Incorrect options:
A: Potatoes and avocados are high in potassium, so they are not suitable substitutes.
B: Cooking fruit does not significantly reduce its potassium content.
D: This option lacks guidance and does not offer a solution to the client's concern about high potassium levels.
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. One day after a patient is admitted to the medical unit, you note that the patient is oliguric. You notify the acutecare nurse practitioner who orders a fluid challenge of 200 mL of normal saline solution over
15 minutes. This intervention will achieve which of the following?
- A. Help distinguish hyponatremia from hypernatremia
- B. Help evaluate pituitary gland function
- C. Help distinguish reduced renal blood flow from decreased renal function
- D. Help provide an effective treatment for hypertension-induced oliguria
Correct Answer: C
Rationale: The correct answer is C: Help distinguish reduced renal blood flow from decreased renal function.
Rationale:
1. Oliguria is a decrease in urine output.
2. Fluid challenge with normal saline can help determine the cause of oliguria by assessing the response of the kidneys.
3. If the oliguria improves after the fluid challenge, it suggests reduced renal blood flow as the cause.
4. If oliguria persists, it indicates decreased renal function.
Summary:
A. Fluid challenge does not directly help in distinguishing between hyponatremia and hypernatremia.
B. Evaluating pituitary gland function requires specific tests, not just a fluid challenge.
D. Treating hypertension-induced oliguria may involve different interventions, not just a fluid challenge.
The nurse is preparing to insert a peripheral IV catheter into a patient who will require fluids and IV antibiotics.
How should the nurse always start the process of insertion?
- A. Leave one hand ungloved to assess the site.
- B. Cleanse the skin with normal saline.
- C. Ask the patient about allergies to latex or iodine.
- D. Remove excessive hair from the selected site.
Correct Answer: C
Rationale: Correct Answer: C
Rationale: Asking the patient about allergies to latex or iodine is crucial before starting the IV insertion process. This step ensures patient safety and prevents potential allergic reactions. Knowing the patient's allergies allows the nurse to select appropriate materials for the procedure, reducing the risk of complications.
Summary of Other Choices:
A: Leaving one hand ungloved is not recommended as it compromises infection control practices.
B: Cleansing the skin with normal saline is important but should come after confirming allergies to latex or iodine.
D: Removing excessive hair from the site is unnecessary and not a standard practice for starting the IV insertion process.
A nurse is caring for a client who has a serum calcium level of 14 mg/dL. Which provider order should the nurse implement first?
- A. Encourage oral fluid intake.
- B. Connect the client to a cardiac monitor.
- C. Assess urinary output.
- D. Administer oral calcitonin (Calcimar).
Correct Answer: A
Rationale: The correct answer is A: Encourage oral fluid intake. When a client has hypercalcemia (serum calcium level of 14 mg/dL), the priority is to increase fluid intake to promote renal calcium excretion. This helps prevent complications such as renal calculi. The first step is to dilute the serum calcium by increasing fluid intake, which can help lower the serum calcium level. Connecting the client to a cardiac monitor (B) is not the priority as hypercalcemia affects the kidneys more than the heart. Assessing urinary output (C) is important but encouraging fluid intake is more immediate. Administering oral calcitonin (Calcimar) (D) is not the first action as it is a medication used for long-term management of hypercalcemia, not the immediate priority.
You are the nurse evaluating a newly admitted patients laboratory results, which include several values that are
outside of reference ranges. Which of the following would cause the release of antidiuretic hormone (ADH)?
- A. Increased serum sodium
- B. Decreased serum potassium
- C. Decreased hemoglobin
- D. Increased platelets
Correct Answer: A
Rationale: The correct answer is A: Increased serum sodium. High serum sodium levels trigger the release of antidiuretic hormone (ADH) from the pituitary gland to help retain water in the body and maintain fluid balance. This is a physiological response to prevent further dehydration. Decreased serum potassium (choice B), decreased hemoglobin (choice C), and increased platelets (choice D) do not directly stimulate the release of ADH. Hence, they are incorrect choices in this scenario.
The physician has ordered a peripheral IV to be inserted before the patient goes for computed tomography. What
should the nurse do when selecting a site on the hand or arm for insertion of an IV catheter?
- A. Choose a hairless site if available.
- B. Consider potential effects on the patients mobility when selecting a site.
- C. Have the patient briefly hold his arm over his head before insertion
- D. Leave the tourniquet on for at least 3 minutes.
Correct Answer: B
Rationale: The correct answer is B because considering potential effects on the patient's mobility is crucial when selecting a site for IV insertion. Mobility can be affected if the IV is placed in a joint area or on the dominant hand. This could limit the patient's ability to move freely during and after the procedure. Therefore, it is important to choose a site that will not hinder the patient's movement.
A: Choosing a hairless site is not the most important factor when selecting a site for IV insertion.
C: Having the patient hold his arm over his head before insertion is not necessary and may cause discomfort for the patient.
D: Leaving the tourniquet on for at least 3 minutes is not recommended as it can lead to complications such as venous stasis.