A 4-year-old requires endotracheal intubation with an uncuffed tube. What tube size is most appropriate?

Which of the following correctly describes the needle pathway for an IA nerve block?

A) Lateral to the pterygomandibular raphe, into the pterygomandibular space; passing lateral to the medial pterygoid muscle, lingual nerve, and sphenomandibular ligament; and superior to the lingula and mandibular foramen B) Lateral to the pterygomandibular raphe, into the pterygomandibular space; passing medial to the medial pterygoid muscle; posterior and medial to the lingual nerve, lateral to the sphenomandibular ligament; and superior to the lingula and mandibular foramen C) Medial to the pterygomandibular raphe, into the infratemporal space; passing lateral to the medial pterygoid muscle, lingual nerve, and sphenomandibular ligament; and superior to the lingula and mandibular foramen D) Medial to the pterygomandibular raphe, into the pterygomandibular space; passing lateral to the medial pterygoid muscle, lingual nerve, and sphenomandibular ligament; and superior to the lingula and mandibular foramen

When a patient is to be switched from continuous mandatory ventilation (CMV) to intermittent mandatory ventilation (IMV) to facilitate weaning from mechanical ventilation,

which of the following could be used in addition to IMV to assist this process? a. Continuous positive airway pressure (CPAP) b. Positive end-expiratory pressure (PEEP) c. Pressure support (PS) d. Pressure control (PC)