Nokea
After teaching a client to increase dietary potassium intake, a nurse assesses the client's understanding. Which dietary meal selection indicates the client correctly understands the teaching?
- A. Toasted English muffin with butter and blueberry jam, and tea with sugar
- B. Two scrambled eggs, a slice of white toast, and a half cup of strawberries
- C. Sausage, one slice of whole wheat toast, half cup of raisins, and a glass of milk
- D. Bowl of oatmeal with brown sugar, a half cup of sliced peaches, and coffee
Correct Answer: C
Rationale: The correct answer is C because it includes foods high in potassium. Raisins, whole wheat toast, and milk are good sources of potassium. Sausage might contain some potassium as well.
A: This option lacks potassium-rich foods.
B: While strawberries have some potassium, the overall meal lacks a sufficient amount.
D: While oatmeal and peaches have potassium, coffee can actually inhibit potassium absorption.
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A newly graduated nurse is admitting a patient with a long history of emphysema. The new nurses preceptor is
going over the patients past lab reports with the new nurse. The nurse takes note that the patients PaCO2 has been
between 56 and 64 mm Hg for several months. The preceptor asks the new nurse why they will be cautious
administering oxygen. What is the new nurses best response?
- A. The patients calcium will rise dramatically due to pituitary stimulation.
- B. Oxygen will increase the patients intracranial pressure and create confusion.
- C. Oxygen may cause the patient to hyperventilate and become acidotic.
- D. Using oxygen may result in the patient developing carbon dioxide narcosis and hypoxemia.
Correct Answer: D
Rationale: The correct answer is D: Using oxygen may result in the patient developing carbon dioxide narcosis and hypoxemia. In patients with chronic emphysema, their respiratory drive is often triggered by low oxygen levels rather than high carbon dioxide levels. Administering supplemental oxygen can suppress their respiratory drive, leading to carbon dioxide retention (carbon dioxide narcosis) and worsening hypoxemia. This phenomenon is known as "hypoxic drive."
Choice A is incorrect because administering oxygen does not lead to a dramatic rise in calcium levels due to pituitary stimulation. Choice B is incorrect because administering oxygen does not typically increase intracranial pressure or cause confusion. Choice C is incorrect because administering oxygen does not directly cause hyperventilation and acidosis in this scenario.
A patient with a longstanding diagnosis of generalized anxiety disorder presents to the emergency room. The triage nurse notes upon assessment that the patient is hyperventilating. The triage nurse is aware that hyperventilation is the most common cause
- A. Respiratory acidosis
- B. Respiratory alkalosis
- C. Increased PaCO2
- D. CNS disturbances
Correct Answer: B
Rationale: The correct answer is B: Respiratory alkalosis. Hyperventilation leads to excessive elimination of carbon dioxide, causing a decrease in PaCO2 levels, resulting in respiratory alkalosis. This is the most common cause of hyperventilation. Respiratory acidosis (choice A) occurs when there is retention of carbon dioxide. Increased PaCO2 (choice C) is a consequence of respiratory acidosis, not alkalosis. CNS disturbances (choice D) can lead to abnormal breathing patterns but are not the most common cause of hyperventilation.
You are caring for a patient with a diagnosis of pancreatitis. The patient was admitted from a homeless shelter and is
a vague historian. The patient appears malnourished and on day 3 of the patients admission total parenteral nutrition
(TPN) has been started. Why would you know to start the infusion of TPN slowly?
- A. Patients receiving TPN are at risk for hypercalcemia if calories are started too rapidly.
- B. Malnourished patients receiving parenteral nutrition are at risk for hypophosphatemia if calories are started
too aggressively.
- C. Malnourished patients who receive fluids too rapidly are at risk for hypernatremia.
- D. Patients receiving TPN need a slow initiation of treatment in order to allow digestive enzymes to accumulate
Correct Answer: B
Rationale: The correct answer is B: Malnourished patients receiving parenteral nutrition are at risk for hypophosphatemia if calories are started too aggressively. Patient with pancreatitis may have depleted levels of phosphorus due to malnutrition, and rapid initiation of TPN can further decrease phosphorus levels, leading to hypophosphatemia. This can result in respiratory failure, muscle weakness, and arrhythmias.
Choice A is incorrect because patients receiving TPN are not specifically at risk for hypercalcemia due to rapid initiation of calories. Choice C is incorrect because rapid fluid infusion can lead to hypernatremia, not related to TPN initiation. Choice D is incorrect because the rationale provided for slow initiation is not related to digestive enzymes but rather to prevent hypophosphatemia in malnourished patients.
A nurse is caring for a client who has just had a central venous access line inserted. Which action should the nurse take next?
- A. Begin the prescribed infusion via the new access
- B. Ensure an x-ray is completed to confirm placement.
- C. Check medication calculations with a second RN.
- D. Make sure the solution is appropriate for a central line
Correct Answer: B
Rationale: The correct answer is B: Ensure an x-ray is completed to confirm placement. This is crucial to prevent complications such as pneumothorax or incorrect placement. X-ray confirmation is the gold standard to verify the central line's proper positioning before initiating any infusions. Option A is incorrect because starting the infusion without confirming placement can lead to serious complications. Option C is unnecessary for central line insertion. Option D is important but not the immediate next step as confirming placement takes precedence for patient safety.
You are caring for a patient admitted with a diagnosis of acute kidney injury. When you review your patients most recent laboratory reports, you note that the patients magnesium levels are high. You should prioritize assessment for which of the followin
- A. Diminished deep tendon reflexes
- B. Tachycardia
- C. Cool, clammy skin
- D. Acute flank pain
Correct Answer: A
Rationale: Step 1: High magnesium levels can lead to hypermagnesemia, which can cause decreased neuromuscular function.
Step 2: Diminished deep tendon reflexes are a sign of neuromuscular impairment, indicating potential hypermagnesemia.
Step 3: Assessing for diminished deep tendon reflexes is crucial to monitor neuromuscular function in patients with high magnesium levels.
Summary: A is correct because hypermagnesemia affects neuromuscular function. B, C, and D are incorrect as they do not directly relate to the effects of high magnesium levels.