AST Practice Exam #1 for Certification Examination || with 100% Error-free Solutions.

Alpha-chymotrypsin correct answers The enzyme used to soften the zonules of the lens before cataract surgery is: a. Atropine sulfate b. Alpha-chymotrypsin c. Acetylcholine chloride d. Pilocarpine hydrochloride Argon correct answers Which laser beam can travel through clear tissues without heating them? a. Argon b. Excimer c. Carbon dioxide d. Neodymium: YAG Cardia correct answers Which portion of the stomach surrounds the lower esophageal sphincter? a. Cardia b. Fundus c. Pylorus d. Antrum Insulin correct answers The islets of Langerhans secrete: a. Bile b. Insulin c. Intrinsic factor d. Inhibiting hormones Aid in controlling temperature correct answers Which of the following is not a benefit of using surface-mounted sliding doors for access to the operating room? a. Uses less space for opening b. Aid in controlling temperature c. Eliminate air turbulence d. Provides for through cleaning Time, shielding, distance correct answers What are the three factors for reducing ionizing radiation exposure? a. Type of procedure, equipment, radiation dose b. Exposure, frequency, concentration c. Time, shielding, distance d. Site, age, gender Duodenum correct answers Which is the first part of the small intestine? a. Duodenum b. Jejunum