NBSTSA CERTIFICATION EXAM/CERTIFICATION EXAM NBSTSA 1000 QUESTIONS ORIGINAL VERSION WITH RATIONALES

NBSTSA CERTIFICATION EXAM/CERTIFICATION EXAM NBSTSA 1000 QUESTIONS ORIGINAL VERSION WITH RATIONALES Which of the following structures is located in the alveolar processes? A. Teeth B. Villi C. Sinuses D. Tonsils -CORRECT ANSWER-> A. Teeth RATIONALE •The teeth are located in the socket's of the alveolar processes of the mandible and maxillae. Which of the following is the wound classification for a bronchoscopy? A. Clean B. Contaminated C. Dirty & Infected D. Clean-Contaminated -CORRECT ANSWER-> D. Clean-Contaminated RATIONALE •Clean-Contaminated procedures include those when the aerodigestive tract is entered. The bronchoscope is inserted through the mouth and into the bronchial tubes. The procedure is considered clean, not sterile. 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 -CORRECT ANSWER-> B. Alpha-Chymotrypsin RATIONALE •Alpha-Chymotrypsin is a solution used to soften the zonules holding the lens before cataract surgery to ease extraction of the lens. How should the structure be oriented when necessary to use an elevator to transport a patient to the OR? A. Place stretcher sideways in elevator B. Enter head first, exit feet first C. Position in elevator is irrelevant D. Enter feet first, exit head first -CORRECT ANSWER-> B. Enter head first, exit feet first RATIONALE •The patient should be placed in the elevator entering head first and exit feet first when being transported to the OR on the stretcher. Which of the following is a curved, transverse incision across the lower abdomen frequently used in gynecological surgery? A. Midline B. Paramedian C. McBurney's D. Pfannenstiel -CORRECT ANSWER-> D. Pfannenstiel RATIONALE •Pfannenstiel's incision is a curved transverse incision across the lower abdomen and used frequently in gynecologic surgery When perforated metal trays are placed on the shelves of the steam sterilizing cart, they should be positioned: A. Flat B. Upside down C. Vertical D. Angled -CORRECT ANSWER-> A. Flat RATIONALE •Metal trays that are perforated or have a mesh bottom should be placed on the sterilizing cart flat. Hyperkalemia is a high concentration of: A. Calcium B. Nitrogen C. Potassium D. Albumin -CORRECT ANSWER-> C. Potassium RATIONALE •Potassium plays four important roles: influences the electrical excitability of cells; the amount of potassium in cells affects cell volume; potassium balance is important in maintaining the acid-base balance; the amount of potassium in cells affects cell metabolism. Hyperkalemia, an abnormal level of potassium, can be life threatening, causing cardiac irregularities. Which of the following tissues are cut using curved mayo scissors? A. Fascia B. Periosteum C. Dura mater D. Arterial wall -CORRECT ANSWER-> A. Fascia RATIONALE •Curved mayo scissors are large scissors, with thick blades used to cut tough tissue, such as fascia, tendons and muscle. Which laser beam can travel through clear tissues without heating them? A. Argon B. Excimer C. Carbon dioxide D. Neodymium: YAG -CORRECT ANSWER-> A. Argon RATIONALE •The argon laser beam can travel through clear fluids and tissues. Permission for treatment given with full knowledge of the risks is a/an: A. Tort B. Malpractice C. Personal liability D. Informed consent -CORRECT ANSWER-> D. Informed consent RATIONALE •informed consent must be obtained from the patient before any invasive procedure can be performed. It protects the patient because it verifies that he/she understands the condition to be treated and the intervention to be performed. Which portion of the stomach surrounds the lower esophageal sphincter? A. Cardia B. Fundus C. Pylorus D. Antrum -CORRECT ANSWER-> A. Cardia RATIONALE •The cardia is the portion of the stomach that surrounds the superior opening of the stomach. Low-level disinfectants kill most microbes, but do not destroy: A. Viruses B. Bacteria C. Fungi D. Spores -CORRECT ANSWE