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 ANSWER- D. Spores RATIONALE •Low-level disinfectants kill most types of bacteria and some fungi and viruses, but do not kill spores and M. Tuberculosis Syndactyly refers to: A. Cleft palate B. Webbed fingers C. Fused tarsals D. Torn ligaments -CORRECT ANSWER- B. Webbed fingers RATIONALE •Webbing of the digits is syndactyly The surgical pack utilized to create the sterile field should be opened on the: A. Stretcher B. OR table C. Backtable D. Mayo stand -CORRECT ANSWER- C. Backtable RATIONALE •Surgical packs should be opened on the backtable. The islets of langerhans secrete: A. Bile B. Insulin C. Intrinsic factor D. Inhibiting hormones -CORRECT ANSWER- B. Insulin RATIONALE •The islets of langerhans secrete glucagon, insulin, somatostatin, and pancreatic polypeptide. What type of procedure would involve the removal of teeth? A. Cleft palate repair B. Arch bar application C. Extractions D. Implants -CORRECT ANSWER- C. The removal of a tooth or teeth is an extraction procedure. The resection of the soft tissue and excision of the bone surrounding the tooth prior to the removal is called odontectomy. Which organism is a normal resident flora of the intestinal tract? A. Escherichia coli B. Staphylococcus aureus C. Pseudomonas aeruginosa D. Clostridium tetani -CORRECT ANSWER- A. Escherichia coli RATIONALE •Escherichia coli is a gram-negative rod that is part of the normal flora of the intestinal tract of humans and is also an opportunistic bacteria. Where should the first scrub surgical technologist stand when handing towels to the surgeon to square off an incision site? A. Opposite side from surgeon B. Same side as surgeon C. Foot of OR bed D. Head of OR table -CORRECT ANSWER- B. Same side as the surgeon RATIONALE •When using four towels for squaring off the incision site, the first towel will be passed when standing on the same side as the surgeon. A properly performed surgical scrub renders the skin: A. Sterile B. Disinfected C. Surgically clean D. Moistened and dehydrated -CORRECT ANSWER- C. Surgically clean RATIONALE •The skin is rendered surgically clean when properly performed surgical scrub is done