The ICU charge nurse will evaluate that teaching about hemodynamic monitoring for a new staff nurse has been effective when the new nurse does which of the following?
Position the limb with the catheter insertion site at the level of the transducer.
Positions the transducer level with the phlebostatic axis.
Ensures that the patient is lying with the head of the bed flat for all readings.
Balances and calibrates the hemodynamic monitoring equipment every hour.
The Correct Answer is B
Positioning the transducer level with the phlebostatic axis is a crucial step in accurate hemodynamic monitoring. The phlebostatic axis is an imaginary reference point located at the fourth intercostal space, mid-anterior/posterior chest. Placing the transducer at this level ensures that the pressure measurements obtained are reflective of the patient's true hemodynamic status.
A. Positioning the limb with the catheter insertion site at the level of the transducer in (option A) is incorrect because: While it is important to position the limb appropriately to avoid kinks or occlusions in the catheter tubing, this is not directly related to the accurate measurement of hemodynamic parameters.
C. Ensuring that the patient is lying with the head of the bed flat for all readings in (option C) is incorrect because The position of the patient's head does not directly impact the accuracy of hemodynamic monitoring unless it specifically relates to changes in preload or intracranial pressure monitoring.
D. Balancing and calibrating the hemodynamic monitoring equipment every hour in (option D) is incorrect because: While it is important to ensure that the monitoring equipment is calibrated and functioning properly, doing so every hour may not be necessary. Calibration frequency may vary based on institutional policies and patient stability.
Therefore, the correct action that demonstrates effective teaching about hemodynamic monitoring is positioning the transducer level with the phlebostatic axis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
This method, known as the 6-second method, involves counting the number of QRS complexes in a 6-second interval on the electrocardiogram (ECG) strip and then multiplying that number by 10 to calculate the heart rate per minute. The advantage of this method is that it provides a relatively quick estimate of the heart rate.
A. Printing a 1-minute ECG strip and counting the number of QRS complexes in (option A) is incorrect because it can be time-consuming and may not be practical in situations where a quick estimate is needed.
B. Calculating the number of small squares between one QRS complex and the next and dividing into 1500 in (option B) is incorrect because it is a method used to calculate heart rate, known as the "1500 method," but it is not as quick as the 6-second method and requires more time and measurement precision.
D. Counting the number of large squares in the R-R interval and dividing by 300 is another method used to calculate heart rate, known as the "300 method," but it is also less quick and less accurate for assessing heart rate in patients with regular rhythms.
It's important to note that if the heart rhythm is irregular, these methods may not provide an accurate estimate of the heart rate, and a longer monitoring period or a different approach may be necessary.
Correct Answer is C
Explanation
In a patient receiving mechanical ventilation, a high respiratory rate can indicate increased work of breathing and potential airway obstruction. COPD patients, in particular, may have excessive mucus production and airway inflammation, leading to mucus plugging and compromised airway clearance. Suctioning may be necessary to remove excessive secretions and maintain a patent airway.
A. The pulse oximeter shows a SpO2 of 90% in (option A) is incorrect because While a SpO2 of 90% is suboptimal and may require intervention, it does not specifically indicate the need for suctioning. Other interventions, such as adjusting oxygen delivery or ventilation settings, may be more appropriate.
B. The patient has not been suctioned for the last 6 hours in (option B) is incorrect because The duration since the last suctioning episode alone does not necessarily indicate the need for suctioning. The need for suctioning should be based on the patient's clinical presentation, such as signs of airway obstruction or excessive secretions.
D. The lungs have occasional audible expiratory wheezes in (option D) which is incorrect because Occasional audible expiratory wheezes may be common in patients with COPD and may not specifically indicate the need for suctioning. Wheezing is more commonly associated with narrowing of the airways, and suctioning is typically performed to clear secretions or maintain airway patency.
C. Therefore, in a COPD patient receiving mechanical ventilation, a high respiratory rate (C) is the assessment information that would indicate the need for suctioning to help remove excessive secretions and ensure a patent airway
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