Why would a nurse check a serum creatinine level?
To assess kidney function
To measure liver enzymes
To evaluate thyroid function
To monitor blood glucose level
The Correct Answer is A
Choice a reason: Serum creatinine is a waste product formed by the normal breakdown of muscle tissue. It is filtered out of the blood by the kidneys and excreted in urine. Measuring the serum creatinine level provides critical information about kidney function. High levels of creatinine in the blood indicate impaired kidney function or kidney disease. Regular monitoring of serum creatinine is essential for patients with chronic kidney disease, those taking nephrotoxic medications, or in situations where acute kidney injury is suspected.
Choice b reason: Serum creatinine is not used to measure liver enzymes. Liver function is assessed through different tests, including measurements of enzymes such as alanine aminotransferase (ALT) and aspartate aminotransferase (AST). These enzymes indicate liver health and function but are unrelated to serum creatinine levels.
Choice c reason: Evaluating thyroid function involves measuring specific thyroid hormones and thyroid-stimulating hormone (TSH), not serum creatinine. Thyroid function tests help diagnose and monitor conditions like hypothyroidism and hyperthyroidism, but they do not provide information about kidney function or serum creatinine levels.
Choice d reason: Monitoring blood glucose levels is crucial for managing diabetes, but it is unrelated to serum creatinine. Blood glucose levels are measured using specific tests like fasting blood glucose, HbA1c, and oral glucose tolerance tests. These tests help manage blood sugar but do not assess kidney function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice a reason: The patient who has an indwelling catheter for a urinary tract infection (UTI) is at the highest risk of developing urosepsis. Indwelling catheters provide a direct pathway for bacteria to enter the urinary tract, leading to infections that can escalate to sepsis. Monitoring this patient closely for signs of urosepsis, such as fever, chills, altered mental status, and increased heart rate, is crucial to ensure early detection and intervention.
Choice b reason: While the patient who is unable to obtain fluids independently is at risk for dehydration, which can lead to urinary tract infections, the immediate risk of urosepsis is lower compared to a patient with an indwelling catheter. Ensuring adequate fluid intake is important, but this condition does not present the same direct risk of bacterial entry into the urinary system as an indwelling catheter does.
Choice c reason: The patient who has undergone surgery for placement of an ileostomy does not have a direct connection to the urinary system that would increase the risk of urosepsis. While this patient might require monitoring for postoperative complications and hydration status, the focus is not specifically on urosepsis.
Choice d reason: The patient with continuous urinary incontinence is at risk for skin breakdown and potential urinary tract infections due to constant moisture and bacteria in contact with the skin. However, the risk of urosepsis is not as immediate or direct as it is with an indwelling catheter. Regular skin care and monitoring for signs of infection are necessary, but the focus on urosepsis is less urgent than for a patient with a catheter.
Correct Answer is C
Explanation
Choice a reason: Cleansing the area with hot water and soap is not recommended for managing skin irritation around the stoma. Hot water can further irritate the skin and soap may strip away natural oils, exacerbating the irritation. The skin around the stoma is sensitive and requires gentle care with mild cleansers and lukewarm water to prevent further irritation and damage.
Choice b reason: Avoiding the use of any type of moisturizer or lotion on the skin is not appropriate for managing skin irritation around the stoma. While certain products might not be suitable, using a proper moisturizer can help to soothe and protect the irritated skin. It's essential to choose a skin-compatible product designed for use around stomas to maintain skin health and prevent further irritation.
Choice c reason: Applying a protective barrier cream or paste around the stoma is the most appropriate intervention for managing skin irritation. These products create a protective layer between the skin and the ostomy appliance, reducing friction and irritation. They help to maintain the integrity of the skin, promote healing, and prevent further complications. Barrier creams and pastes are specifically formulated for use around stomas and are effective in protecting sensitive skin.
Choice d reason: Using adhesive tape to tightly secure the ostomy bag is not recommended for managing skin irritation around the stoma. Tightly applied adhesive tape can cause additional pressure and irritation to the already sensitive skin. Instead, it is better to use an ostomy appliance that fits well and is designed to adhere gently to the skin without causing irritation or damage. Proper fitting and gentle adhesion are key to preventing skin issues around the stoma.
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