Volume 2 of the ICD-10-CM manual is the ________.

Through research over the past twenty years, it has been found that:

a. all EMS treatments used have been proven beneficial. b. little scientific evidence supports many prehospital practices. c. all current paramedic practices have been scientifically proven. d. treatments have been scientifically proven effective before they are used in the field.

Which of the following is (are) precipitating factor(s) that can decrease the patient's ability to generate a negative intrapleural pressure?

1. Supine position 2. Large tidal volume on the mechanical ventilator 3. Malnutrition 4. Obesity a. 4 b. 1, 3, 4 c. 1, 2, 3 d. 1, 2, 3, 4