A nurse is caring for a postoperative patient who is about to receive contrast dye during a diagnostic test. Which finding is most concerning?
Select one:
Slight bruising at the IV insertion site
Blood pressure of 110/72
Metformin on the home medication list
Urine output of 30/ml hr
The Correct Answer is C
A. Mild bruising is a common and usually benign finding at an IV site and not a contraindication to contrast dye administration.
B. This is within normal limits and not concerning before a diagnostic test with contrast.
C. Metformin must be used with caution when a patient is receiving iodinated contrast dye due to the risk of lactic acidosis, especially if the patient develops contrast-induced nephropathy. Typically, metformin is held before and for 48 hours after the procedure until renal function is confirmed to be stable.
D. This is the minimum acceptable urine output and does not by itself contraindicate contrast dye use, though renal function should still be monitored.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
A. Atherosclerosis reduces blood flow, limiting the delivery of oxygen and immune cells to tissues, impairing healing and increasing infection risk.
B. Diabetic neuropathy and poor circulation lead to unnoticed injuries and poor wound healing, which create a pathway for pathogens to invade.
C. Diabetes impairs leukocyte (WBC) and phagocyte function, reducing the body’s ability to fight infection.
D. Persistent hyperglycemia impairs immune response and promotes bacterial growth, making infections more likely and severe.
E. This is a generalization and not a universal or medically valid reason for increased infection risk. The physiological complications of diabetes (like poor circulation and immune dysfunction) are the main contributors.
Correct Answer is B
Explanation
A. This is incorrect
B. Convert pounds to kilograms:
154 lb ÷ 2.2 = 70 kg
- Multiply by the recommended intake:
70 kg × 30 mL = 2100 mL/day
Answer: 2100 mL/day
C. This is incorrect
D. This is incorrect
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