Mosby ct questions with correct answers

The addition of ___________makes an autoclave more efficient at sterilization than an oven. CORRECT ANSWER-moisture Which of the following types of isolation precautions is used to protect immunosuppressed patients from possible infection? CORRECT ANSWER-Strict isolation Strict isolation is used with patients at risk infection because of immunosuppression or some other form of debilitative disease. This type of precaution technique was previously referred to as "protective" or "reverse" isolation. What is the correct order for the stages of infection? CORRECT ANSWER-Incubation, prodromal, active, convalescence The course of an infection can be divided into four stages. The incubation stage begins when a pathogenic organism enters the host. The prodromal stage is characterized by the appearance of early signs and symptoms of the disease process. The active or full stage consists of the maximum appearance of the signs and symptoms of the disease. During the last stage, convalescence, the symptoms begin to diminish and may eventually completely subside. What are the three phases of IV contrast enhancement? CORRECT ANSWER-Bolus, Non-Equilibrium, Equilibrium Enhancement times are directly related to injection rate, volume of contrast media, velocity of blood flow, and patient cardiac output. The first phase of enhancement is the Bolus phase. This is an optimal phase for CTAS. There is a significant density difference between the abdominal aorta and