A nurse caring for a client who has a peripheral intravenous saline lock understands that its purpose is to:
accommodate highly irritating and hyperosmolar solutions.
provide the ability to draw blood for laboratory tests.
establish a venous route for clients when their condition changes.
allow for prolonged IV antibiotic administration.
The Correct Answer is C
C. This allows healthcare providers to quickly administer treatments without the need for repeated venipuncture, which can be beneficial in various medical situations where time and vein preservation are critical.
A. Peripheral intravenous saline locks are not typically used to accommodate highly irritating or hyperosmolar solutions. Saline locks are used to maintain venous access without continuous infusion, and they are generally used with isotonic solutions to prevent complications such as phlebitis or infiltration.
B. The access is not very reliable when used for drawing samples repeatedly.
D. While peripheral intravenous saline locks can be used for intermittent administration of IV antibiotics or other medications, they are not typically used for prolonged IV antibiotic administration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
C. Dehydration is a state of insufficient fluid intake or excessive fluid loss, leading to electrolyte imbalances and increased concentrations of solutes in the blood. The elevated sodium level (hypernatremia) and slightly elevated glucose level in the context of dehydration are consistent with the laboratory findings. Dehydration can also cause elevated BUN due to decreased kidney perfusion and impaired renal function secondary to hypovolemia. Therefore, dehydration is the most likely condition based on the laboratory findings.
A. SIADH is characterized by excessive release of antidiuretic hormone (ADH), leading to water retention and dilutional hyponatremia (low sodium levels). In this case, the sodium level is elevated, which is not consistent with SIADH. Therefore, SIADH is unlikely.
B. Low-protein diet is not typically associated with the laboratory findings presented. Low protein intake would not directly cause elevated sodium, potassium, glucose, or BUN levels. Therefore, this option is unlikely.
D. Renal failure is characterized by impaired kidney function, resulting in electrolyte imbalances, elevated BUN, and abnormal creatinine levels. However, the creatinine level in this case is within the normal range, suggesting preserved kidney function. Additionally, the elevated sodium level is not typically associated with renal failure. Therefore, renal failure is less likely.
Correct Answer is ["A","B"]
Explanation
A. pH 7.29: A respiratory rate of 6 breaths per minute suggests hypoventilation, which can lead to respiratory acidosis due to retention of carbon dioxide (CO2). A decrease in pH (acidosis) is expected in this scenario.
B. PaCO2 54: In respiratory acidosis, PaCO2 levels are elevated due to inadequate ventilation, leading to CO2 retention. Therefore, an elevated PaCO2 level would be anticipated in this situation.
C. pH 7.51: A pH of 7.51 indicates alkalosis, which is not consistent with the expected respiratory acidosis in the context of opioid overdose and hypoventilation. Therefore, this choice is not anticipated.
D. PaO2 72: Oxygenation may be impaired in opioid overdose due to respiratory depression, but this PaO2 level is within the normal range. Hypoxemia is not typically a prominent feature of respiratory acidosis unless there are concurrent respiratory conditions or complications. Therefore, this choice is not anticipated.
E. PaCO2 31: A PaCO2 level of 31 indicates hypocapnia, which is not consistent with the expected respiratory acidosis in the context of opioid overdose and hypoventilation. Therefore, this choice is not anticipated.
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