How many grams are there in 2.4 kilograms?

A patient with subglottic edema might benefit from what type of humidity or aerosol therapy?

a. Continuous heated bland aerosol b. Humidity from a bubble humidifier c. Continuous cold-nebulized bland aerosol d. Dry-powder inhaler with a bronchodilator

What is the most common technique used to measure CO2 in respiratory gases?

a. Infrared absorption b. Mass spectroscopy c. Photoacoustics d. Raman scattering