What type of question should be asked of a patient to get as much information as possible directly from the patient?

Which of the following devices require testing by highly trained individuals because of their complexity?

A. Smoke detectors B. Pneumatic detectors C. Restorable heat detection devices D. Flame and gas detection devices

Absorbable gelatin (Gelfoam) is placed on an area of capillary bleeding where fibrin is deposited and the sponge swells forming a clot

Indicate whether the statement is true or false.