Which of the following sounds is produced when the tricuspid and mitral valves close during systole?

Why is a laryngoscope blade used when placing an endotracheal tube?

A) To guide the endotracheal tube into the esophagus B) To provide visualization of the vocal cords C) To keep the airway open during the intubation attempt D) To determine if the patient has a gag reflex

The purpose of a Wound V.A.C. or Negative Pressure Wound Therapy system is to:

A. apply pressure to the wound to increase healing B. remove any infectious material and promote healing C. prevent dust in the air from contaminating the wound D. provide the continuous application of antibiotic ointment