Using the rule-of-thumb method, determine the nozzle reaction from a solid stream portable master stream device equipped with a 2 1/4-inch tip at a nozzle pressure of 80 psi

Which of the following is a contraindication to the use of dextrose 50%?

a. Hyperglycemia b. Hypoglycemia c. Inability to obtain a blood glucose reading in an unconscious patient d. There are no contraindications to the use of dextrose 50% in suspected hypoglycemia

When the diaphragm contracts and the chest expands, the pressure inside the chest:

A) increases, then rapidly decreases. B) decreases. C) increases. D) stays the same.