A nurse is reviewing the laboratory results for a client who has Cushing's disease. The nurse should expect the client to have an increase in which of the following laboratory values?
Serum calcium level
Lymphocyte count
Serum glucose level
Serum potassium level
The Correct Answer is C
Rationale:
A. Serum calcium level: Cushing’s disease does not typically cause elevated calcium levels. Calcium levels are usually normal unless there is an underlying bone disorder or concurrent condition affecting calcium metabolism.
B. Lymphocyte count: Cortisol excess in Cushing’s disease suppresses the immune system, leading to lymphopenia rather than an increased lymphocyte count. A decreased lymphocyte count is more consistent with the disease process.
C. Serum glucose level: Elevated cortisol levels increase gluconeogenesis and decrease glucose uptake by cells, resulting in hyperglycemia. Clients with Cushing’s disease often exhibit elevated blood glucose as a direct effect of excess cortisol.
D. Serum potassium level: Cortisol has mineralocorticoid activity, promoting potassium excretion by the kidneys. As a result, clients with Cushing’s disease commonly have hypokalemia rather than increased serum potassium levels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C"]
Explanation
Rationale:
A. Insert a large-bore IV catheter: A large-bore (18–20 gauge) IV catheter is required to allow rapid infusion of blood products if needed, minimizing hemolysis and ensuring adequate flow. This is critical for the safety and effectiveness of the transfusion, especially in clients who may be hemodynamically unstable.
B. Witness the client signing a consent for transfusion: Obtaining informed consent ensures the client understands the risks, benefits, and alternatives to the blood transfusion. Witnessing the signature is a legal and ethical requirement to confirm that the client has voluntarily agreed to the procedure.
C. Have a second nurse confirm the information on the blood label: Verification by a second nurse prevents administration errors, such as giving the wrong blood type or unit. This double-check process is essential for patient safety and is standard protocol before starting a transfusion.
D. Flush the transfusion tubing with dextrose 5 in water: Blood products should not be administered through tubing flushed with dextrose solutions because dextrose can cause red blood cell hemolysis. Normal saline is the only appropriate solution for priming and flushing blood administration tubing.
E. Explain to the client that transfusion reactions are not serious: Transfusion reactions can be life-threatening, including hemolytic, allergic, or febrile reactions. Minimizing the seriousness of these risks is inappropriate; the client should be informed about potential complications and instructed to report any symptoms immediately.
Correct Answer is C
Explanation
Rationale:
A. Crusting of exudate on the incisional line: A small amount of dried exudate forming a crust along the incision is a normal part of the healing process and typically does not indicate infection or complication. It protects the tissue underneath and usually resolves with routine hygiene, so it does not require immediate reporting.
B. Mild swelling under the sutures near the incisional line: Mild localized swelling is expected in the early postoperative period due to inflammation and tissue repair. This is a common finding and generally resolves as healing progresses, making it a normal assessment observation.
C. Partial separation of the upper part of the incisional line: Partial dehiscence is a serious complication that can lead to infection, evisceration, or delayed healing. This finding requires prompt notification of the provider for immediate intervention, which may include wound closure, protective dressing, or surgical management.
D. Pink-tinged coloration on the incisional line: Light pink coloration along the incision indicates normal healing and adequate perfusion of the tissue. It reflects healthy granulation tissue formation and is expected in the early stages postoperatively, so it does not require urgent reporting.
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