The following 4 questions pertain to this case study:
Which task is appropriate for the nurse to delegate to experienced certified nurse assistant (CNA)?
Monitor for shortness of breath or fatigue after ambulation.
Determine whether the patient is ready to increase activity.
Obtain the patient’s blood pressure and pulse rate after ambulation.
Instruct the patient on how to use an incentive spirometer.
The Correct Answer is C
Choice A reason:
Monitoring for shortness of breath or fatigue after ambulation is a critical task that requires clinical judgment and assessment skills. Certified Nurse Assistants (CNAs) are trained to assist with basic patient care activities but are not typically trained to assess and interpret clinical symptoms such as shortness of breath or fatigue. These symptoms could indicate serious complications such as pulmonary embolism or cardiac issues, which require immediate attention from a licensed nurse or physician. Therefore, this task is not appropriate for delegation to a CNA.
Choice B reason:
Determining whether the patient is ready to increase activity involves assessing the patient’s overall condition, including their vital signs, pain levels, and physical capabilities. This requires a comprehensive understanding of the patient’s medical history and current status, which falls within the scope of practice of a registered nurse (RN) or licensed practical nurse (LPN). CNAs do not have the training to make such determinations, as it involves critical thinking and clinical decision-making skills. Therefore, this task should not be delegated to a CNA.
Choice C reason:
Obtaining the patient’s blood pressure and pulse rate after ambulation is a task that is appropriate for delegation to a CNA. CNAs are trained to measure and record vital signs, including blood pressure and pulse rate. This task does not require clinical judgment or decision-making, making it suitable for delegation. The CNA can report the findings to the nurse, who can then interpret the results and make any necessary clinical decisions. This delegation allows the nurse to focus on more complex tasks that require their advanced training and expertise.
Choice D reason:
Instructing the patient on how to use an incentive spirometer involves patient education, which is a responsibility that typically falls to licensed nurses. Proper use of an incentive spirometer is crucial for preventing postoperative complications such as atelectasis and pneumonia. Ensuring that the patient understands how to use the device correctly requires not only demonstrating its use but also assessing the patient’s comprehension and ability to perform the task. This level of patient education and assessment is beyond the scope of practice for a CNA.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A: 3% Saline
3% Saline is a hypertonic solution, meaning it has a higher concentration of solutes compared to the blood plasma. It is typically used in critical care settings for specific conditions such as severe hyponatremia or cerebral edema. Administering 3% Saline to a patient with a fluid deficit who requires isotonic fluid replacement would not be appropriate because it could lead to cellular dehydration and other complications due to its high osmolarity.
Choice B: Saline 0.45%
Saline 0.45%, also known as half-normal saline, is a hypotonic solution. It has a lower concentration of solutes compared to blood plasma and is used to treat patients with hypernatremia or those who need to be rehydrated without adding too much sodium. However, it is not suitable for isotonic fluid replacement because it can cause cells to swell and potentially burst due to the influx of water into the cells.
Choice C: Saline 0.9%
Saline 0.9%, also known as normal saline, is an isotonic solution. It has the same concentration of solutes as blood plasma, making it ideal for fluid replacement in patients with a fluid deficit. Normal saline is commonly used to expand the extracellular fluid volume without causing significant shifts in fluid between compartments. This makes it the appropriate choice for isotonic fluid replacement.
Choice D: Dextrose 10%
Dextrose 10% is a hypertonic solution used primarily for providing calories in patients who need parenteral nutrition or for treating severe hypoglycemia. It is not suitable for isotonic fluid replacement because its high glucose content can lead to osmotic diuresis and fluid shifts that are not desirable in patients needing isotonic fluids.
Correct Answer is B
Explanation
Choice A Reason: Fluid Volume Overload
Fluid volume overload, also known as hypervolemia, occurs when there is an excess of fluid in the body. This condition is often characterized by symptoms such as swelling (edema), shortness of breath, and high blood pressure. In the context of the patient’s scenario, fluid volume overload would typically present with signs like jugular venous distention, pulmonary congestion, and possibly ascites. The patient’s blood pressure is 109/70, which is not indicative of hypertension typically seen in fluid overload. Additionally, the patient’s lung sounds are clear, which further suggests that there is no pulmonary congestion. The lab results do not show a significant decrease in sodium levels, which might be expected in fluid overload due to dilutional hyponatremia.
Choice B Reason: Fluid Volume Deficit
Fluid volume deficit, or hypovolemia, is a condition where there is a significant loss of body fluids. This can result from severe diarrhea, as seen in the patient’s case. Symptoms of fluid volume deficit include lightheadedness, weakness, and muscle twitching, all of which the patient is experiencing. The patient’s blood pressure is on the lower side (109/70) and he gets lightheaded when standing up, indicating orthostatic hypotension, a common sign of fluid volume deficit. The elevated BUN (30 mg/dL) and creatinine (1.8 mg/dL) levels suggest dehydration and reduced kidney perfusion. The high potassium level (5.6 mEq/L) can be attributed to the body’s attempt to conserve water and sodium, leading to potassium retention. The ECG changes in the T wave and PR interval are consistent with hyperkalemia, which can occur in dehydration and kidney dysfunction.
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