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 C
Explanation
Rationale:
A. The nurse should dispose of the ampule in the trash can: Glass ampules are considered sharps and must be disposed of in a designated sharps container to prevent injury and maintain safety. Throwing them in regular trash is unsafe and violates standard precautions.
B. The nurse should use the same needle to draw up and inject the client: Using the same needle can introduce glass particles or contamination into the client’s tissue. A new sterile needle should be used for injection after withdrawing the medication to ensure safety and sterility.
C. The nurse should use a filter needle to withdraw the medication: A filter needle is designed to prevent small glass shards from being drawn into the syringe when breaking the ampule. This action protects the client from injury and ensures that the medication administered is free from particulate matter.
D. The nurse should break the neck of the ampule toward their body: The ampule should always be broken away from the body to prevent injury from glass shards. Breaking it toward oneself increases the risk of cuts and contamination, making it an unsafe practice.
Correct Answer is A
Explanation
Rationale:
A. A liaison negotiates with service providers to obtain accessible cost-effective care: One of the primary roles of a nurse case manager as a liaison is to connect clients with necessary healthcare services. This includes coordinating with service providers, negotiating costs, and ensuring that clients have access to appropriate, cost-effective care to meet their needs.
B. A liaison promotes interprofessional communication: While promoting communication among healthcare team members is an important function of case management, it is more closely aligned with the role of a coordinator rather than the liaison function, which focuses on external connections and access.
C. A liaison monitors the use of clinical practice guidelines for delivery of care: Monitoring adherence to clinical guidelines is part of quality assurance and clinical oversight, which falls under the role of a case manager or quality improvement nurse, not specifically the liaison role.
D. A liaison measures the quality of services being provided: Measuring service quality is a responsibility related to quality management or evaluation within case management, not the primary function of a liaison. The liaison role emphasizes connecting clients to resources rather than evaluating service performance.
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