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. A client who has dementia: Dementia affects cognitive function but does not inherently increase susceptibility to respiratory complications from mold exposure. While general health monitoring is important, this client is not at high risk for mold-related adverse effects.
B. A client who has osteoarthritis: Osteoarthritis primarily affects joints and mobility. It does not compromise the respiratory system or immune response in a way that would increase vulnerability to mold exposure.
C. A client who has cystic fibrosis: Clients with cystic fibrosis have impaired mucociliary clearance and chronic respiratory vulnerability, making them more susceptible to respiratory infections and complications from environmental mold exposure. Mold inhalation can exacerbate pulmonary symptoms and lead to significant health risks.
D. A client who has chronic hypertension: Hypertension affects the cardiovascular system but does not directly increase susceptibility to respiratory complications from mold. This client is not considered high risk for adverse effects from mold exposure.
Correct Answer is ["B","E","F"]
Explanation
Rationale:
A. Encourage the client to drink 3000 mL of fluid daily: The client has heart failure with a prescribed fluid restriction of 1000 mL/day. Encouraging excess fluid intake could worsen fluid overload and pulmonary edema, so this is not appropriate.
B. Use soap and water to provide perineal care: Proper perineal hygiene with soap and water reduces the risk of introducing bacteria into the urinary tract, helping prevent catheter-associated urinary tract infections (CAUTIs).
C. Place the drainage bag on the bed when transporting the client: The drainage bag should always be kept below the level of the bladder to prevent backflow and contamination. Placing it on the bed increases the risk of infection and is contraindicated.
D. Change the indwelling urinary catheter tubing every 3 days: Routine changing of the catheter tubing is not recommended as it can increase the risk of infection. Tubing should only be changed if it is compromised, soiled, or obstructed.
E. Empty the drainage bag when it is half-full: Regularly emptying the drainage bag before it becomes overly full prevents backflow and reduces bacterial proliferation, helping to decrease UTI risk.
F. Review the need for the indwelling urinary catheter daily: Assessing the ongoing need for the catheter allows for timely removal, which is the single most effective intervention to prevent catheter-associated urinary tract infections.
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