The nurse is caring for a client who is being treated on the oncology unit with a diagnosis of lung cancer with bone metastases. The client reports a new onset of weakness with abdominal pain and further assessment suggests that the client likely has a fluid volume deficit. The nurse should recognize that this client may be experiencing which electrolyte imbalance?

Hypomagnesemia

Hyperphosphatemia

Hypokalemia

Hypercalcemia

Answer and Explanation

The Correct Answer is D

A. Hypomagnesemia: While hypomagnesemia can cause weakness and other symptoms, it is less commonly associated with fluid volume deficit compared to other imbalances in this context.
B. Hyperphosphatemia: Hyperphosphatemia is typically associated with renal failure or specific conditions, but it does not directly correlate with fluid volume deficit or the symptoms described.
C. Hypokalemia: Hypokalemia can cause weakness and abdominal pain, but it is less likely to be directly associated with the type of symptoms presented in this oncology context.
D. Hypercalcemia: This is the correct choice. Hypercalcemia, often associated with bone metastases, can lead to weakness, abdominal pain, and dehydration, as well as contribute to fluid volume deficit through increased urinary calcium excretion and renal effects.

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Correct Answer is A

Explanation

A. Chest x-ray results: This is the correct choice. After central venous catheter insertion, a chest x-ray is crucial to confirm correct catheter placement and to rule out complications such as pneumothorax or catheter malposition.
B. Serum osmolality: While serum osmolality can provide information about fluid and electrolyte balance, it is not directly related to verifying catheter placement or the immediate post-insertion assessment.
C. Intake and output record: Although important for monitoring fluid balance, the intake and output record does not confirm the proper placement of the central venous catheter.
D. Serum glucose level: This is not relevant to verifying the catheter placement or ensuring proper functioning immediately after insertion.

A. Facilitating sodium and potassium exchange B. DNA and prothrombin synthesis C. Regulating calcium and phosphorus metabolism D. Production of beta carotene

Correct Answer is C

Explanation

A. Facilitating sodium and potassium exchange: This is not related to vitamin D. Sodium and potassium exchange is primarily managed by other mechanisms in the body.
B. DNA and prothrombin synthesis: This role is more associated with vitamins like B12 and K, not vitamin D.
C. Regulating calcium and phosphorus metabolism: This is the correct choice. Vitamin D plays a crucial role in the absorption of calcium and phosphorus from the diet and their metabolism in the body.
D. Production of beta carotene: Beta carotene is a precursor to vitamin A, not related to vitamin D's functions.

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Naxlex Comprehensive Predictor Exams

A client has just undergone a bedside central venous catheter insertion using ultrasound guidance. The nurse knows to check which diagnostic result before initiating the client's prescribed intravenous solution flow rate at 100 mL/hr?

Correct Answer is A

Explanation

The nurse is providing teaching to the client about the use of vitamins and supplements. The nurse would state that vitamin D has a major role in which process?

Correct Answer is C

Explanation

The client has received IV solution for three (3) days through a 20-gauge IV catheter placed in the left hand. On morning rounds, the nurse notes the IV site is tender to palpation and a red streak has formed. Which intervention should the nurse implement first?

The nurse is providing care for several clients at risk for acid-base imbalance. Which client has the greatest risk for respiratory acidosis?

A client with peripheral neuropathy states, "I don't know why the doctor put me on an antidepressant. I am not depressed!" Which response by the nurse is best?

The nurse is caring for a client being treated for fluid volume excess. Which assessment finding indicates that treatment has been effective?

A nurse is providing education in a community setting to several clients taking daily calcium supplements and encourages them to drink 2,500 mL of fluid daily. The nurse explains that this intervention is important to prevent which complication?

The nurse is reviewing serum laboratory test results of a client receiving diuretic therapy. The nurse determines the client is at risk for electrolyte imbalance based on which result(s)? (Select all that apply)