Which schedule is used for drugs with an accepted medical use but a high potential for abuse, such as cocaine and morphine?

On scene, a 6-year-old male who is short of breath will not allow EMRs to place a nonrebreather face mask on his face. Assessment indicates moderate respiratory distress with the following vital signs: pulse, 124 beats/min; respirations, 24 breaths/min; blood pressure, 98/56 mmHg; and SpO2, 92%. At this time, you try:

A) Using a nasal cannula with 2 lpm oxygen B) Holding the nonrebreather mask firmly to the patient's face C) Start positive pressure ventilation D) Placing a nasal airway and nasal cannula with 6 lpm oxygen

The lymphatic channels are larger and more numerous in what location?

A. upper lobes B. right lower lobe C. left lower lobe D. middle lobes