The majority of fresh water in the United States is usually less than ____ year round.

__________ a diagnostic scan that utilizes ultrasound waves to study the brain

Fill in the blank with correct word.

You are a respiratory therapist working in the emergency department; a 67-year-old man with chronic bronchitis presents in acute distress. His vital signs include heart rate (HR) 123 beats/min and respiratory rate (RR) 28 breaths/min

On auscultation, you note faint expiratory wheezing. Which of the following devices would be the least appropriate by which to deliver an aerosolized drug to this patient? a. Jet nebulizer b. Metered dose inhaler (MDI) c. MDI with spacer d. Dry powder inhaler (DPI)