Which of the following assessment factors would indicate a need for oropharyngeal suctioning?
A. Thin sputum and a weak cough.
B. Breathing rate of 36 breaths/min; noisy, gurgling respirations.
C. Auscultation of fluid (rales and rhonchi) in the lower lobes of the lungs.
D. Oxygen saturation levels of 95%; use of diaphragmatic breathing.