A newborn's assessment reveals spina bifida occulta. Which maternal factor should the practical nurse (PN) identify as having the greatest impact on the development of this newborn complication?

A. Exposing the left side of the chest is the first step to access the area where the apical pulse is assessed. This step ensures that the nurse has clear access to the chest for auscultation.

B. Locating the point of maximal impulse (PMI) is the next step once the chest is exposed. The PMI, typically located at the 5th intercostal space at the midclavicular line, is where the heart’s apex is closest to the chest wall.

C. Positioning the diaphragm of the stethoscope on the PMI is the step where the actual auscultation begins. The diaphragm is used to listen for heart sounds.

D. Listening for heart sounds at the PMI is the final step to assess the apical heart rate. This step completes the assessment by allowing the PN to count the heart rate and evaluate the rhythm.

The child’s symptoms—drowsiness, thick yellow secretions, low respiratory rate, and fever—along with the chest x-ray showing consolidation consistent with pneumonia, indicate that he is experiencing respiratory insufficiency. Respiratory insufficiency occurs when the respiratory system fails to meet the body's oxygen needs or remove carbon dioxide effectively.

Actions to Take:

1. Perform oropharyngeal suctioning
Suctioning is necessary to clear the thick yellow secretions that can obstruct the airway and contribute to respiratory insufficiency. It helps maintain a patent airway and improves the child's ability to breathe.

2. Provide humidified supplemental oxygen
Humidified oxygen helps to maintain airway moisture and improve oxygenation, which is critical for managing respiratory insufficiency. It can also help loosen secretions and alleviate symptoms related to pneumonia.

Parameters to Monitor:

1. Oxygen Saturation
Monitoring oxygen saturation is essential to assess the effectiveness of supplemental oxygen and interventions for respiratory insufficiency. Low oxygen saturation indicates that the respiratory system is not meeting the oxygen demands of the body.

2. Temperature
Temperature monitoring is important to assess the effectiveness of fever management and to monitor for potential worsening of the infection. Elevated temperature can exacerbate respiratory insufficiency and indicate ongoing infection.