CST Exam Questions and Answers: Medical Procedures and Surgical Techniques, Exams of Medicine

Download CST Exam Questions and Answers: Medical Procedures and Surgical Techniques and more Exams Medicine in PDF only on Docsity! Practice Test CST Exam Questions and Answers To revascularize the heart muscle of a patient with heart disease, a graft may be anastomosed between which of the following two vessels? - correct answer The internal mammary artery is the preferred vascular conduit to revascularize the myocardium The drug most commonly used to treat ventricular tachycardia is - correct answer Lidocaine is an antiarrhythmic. An ideal environment for holding the preoperative patient is a - correct answer A. A quiet, dimly lighted room will facilitate the effects of the preoperative medications administered to patients to relieve anxiety and promote drowsiness. Which of the following procedures treats a congenital obstructed lesion found at the distal end of an infant's stomach? - correct answer Infantile pyloric stenosis is relieved by removing the congenital obstructive lesion in the pylorus of the stomach. This procedure is called pyloromyotomy. A cardiac arrest occurs during a procedure, and the surgeon is resuscitating the patient. What is the responsibility of the surgical technologist in the scrub role during this time? - correct answer The surgical Practice Test CST Exam Questions and Answers technologist in the scrub role should remain sterile and maintain the sterile field unless otherwise directed by the surgeon. Which of the following is the definition of instrument sterilization? - correct answer Sterilization is the destruction of all microorganisms. A preference card indicates a surgeon prefers a large paper gown and size 7.5 gloves and the surgeon's assistant prefers an XL cloth gown and size 8 gloves. The assistant usually scrubs in first. In which order should the surgical attire (PPE) be stacked, from top to bottom? - correct answer The assistant's PPE should be placed at the top of the stack since the assistant scrubs in first. Additionally, the towel should be on top of the gown, with the gloves beneath the gown. Which of the following types of anesthetic is injected during a Bier block? - correct answer Lidocaine (Xylocaine) when utilized for regional Bier block anesthesia does not carry as significant a risk for anesthetic agent toxicity as bupivacaine (Marcaine). Aerobic organisms are BEST characterized as - correct answer Aerobic organisms require an oxygen-rich environment to survive. Practice Test CST Exam Questions and Answers Which of the following is done FIRST when performing a myringotomy? - correct answer Removal of cerumen is done after the ear speculum is inserted for visualization of the tympanic membrane. A circlage procedure is performed for which of the following conditions? - correct answer A circlage procedure is performed to prevent spontaneous abortion and preterm delivery by placing a purse-string suture around the cervix. A laparotomy drape has been placed on a patient and unprepped skin on the operative site is exposed. Which of the following is the BEST next step? - correct answer This is the correct procedure because it adheres to aseptic technique and best addresses contamination on the operative site. Which of the following catheters is MOST commonly used to perform an embolectomy? - correct answer A Fogarty catheter is inserted past the clot, then inflated to remove the clot. Which of the following should be the MINIMUM exposure time in a flash sterilizer for unwrapped instruments? - Practice Test CST Exam Questions and Answers correct answer Three minutes is the LEAST amount of time needed for proper flash sterilization. Traction sutures are used on common duct explorations to - correct answer The duct needs to be held open in order to be explored. Which of the following anesthetic agents is administered intravenously? - correct answer Propofol is used intravenously as a general anesthetic agent. A patient's dentures are removed in the operating room. Which of the following is the proper procedure for the care of the dentures? - correct answer Using this method, the dentures will be returned to the correct patient because they will be sent to the PACU. Which of the following is responsible for the proper care and handling of an intraoperative specimen? - correct answer The surgical technologist in the scrub role should identify and place the specimen in a container. The circulator should properly label it. A surgical technologist sees a neighbor being admitted. How should the surgical technologist respond? - correct answer If the patient acknowledges the surgical Practice Test CST Exam Questions and Answers technologist first, it is appropriate to acknowledge the patient in return. Which of the following is MOST resistant to sterilization processes? - correct answer A spore is a latent, pathological bacteria that is highly resistant to sterilization. A tourniquet is used in which of the following procedures? - correct answer A patellectomy is an excision of the kneecap. A tourniquet is frequently used on surgeries of the extremities to provide a bloodless operative field. Which of the following wounds is most likely in the inflammatory phase of wound healing? - correct answer The inflammatory phase is the first phase of wound healing and begins within minutes of injury and lasts for 3 to 5 days. Which of the following procedures is used for removal of an embolus? - correct answer Balloon catheterization is a common method using a Fogarty catheter to remove an embolus. Practice Test CST Exam Questions and Answers fractures occur to the distal radial head. The radius is classified as a long bone. The surgical technologist in the scrub role should remain sterile following which of the following surgical procedures? - correct answer It is necessary for the surgical technologist in the scrub role to remain sterile after vascular procedures as there is a chance of bleeding complications and the need for immediate re-entrance of the surgical wound in order to control blood flow. Which of the following is a monofilament suture? - correct answer Prolene (polypropylene) is a monofilament suture. A circumferential bandage should be applied to an extremity - correct answer This pushes blood towards the trunk of the body. A patient has arrived in the operating room for a bilateral mastectomy. She is crying unconsolably. The surgical technologist can best console her by saying which of the following? - correct answer Providing reassurance that is within the control of the surgical technologist is the best way to respond. Practice Test CST Exam Questions and Answers If an adult patient refuses a blood transfusion, the surgical staff should - correct answer This is a legal issue. Other agents can be used to maintain circulatory volume if necessary. The surgeon asks a surgical technologist to place a drop of a mydriatic solution in OD. As a result of this medication, the pupil of the - correct answer A mydriatic solution will dilate the pupil and OD is the abbreviation for the right eye. Which of the following is the opening in the occipital bone through which the spinal cord passes? - correct answer The foramen magnum is a large opening at the base of the skull for passage of the spinal cord. Herniation of the rectum through a weakened posterior vaginal wall is known as a - correct answer A rectocele is herniation of the rectum through the posterior vaginal wall. Which of the following verifies that autoclave sterilization has occurred? - correct answer A biological indicator is a test using living spores resistant to heat. It is the best method to check effectiveness of sterilization. Practice Test CST Exam Questions and Answers A resectoscope is used in which of the following prostatic approaches? - correct answer A resectoscope is used through the urethra (TURP). Which of the following is reshaped during a total hip arthroplasty? - correct answer The acetabulum is deepened during a total hip arthroplasty. Which of the following is a sign of cardiac arrest? - correct answer With lack of circulation, which provides oxygen to tissues, in cardiac arrest, the patient will look blue. Which of the following anticoagulants should be given during a vascular procedure to prevent normal blood clotting? - correct answer Heparin sodium is a parenteral anticoagulant that inhibits factor X, interferes with the conversion of prothrombins to thrombin, and prevents conversion of fibrinogen to fibrin. Which of the following procedures should be followed when performing counts in an emergency situation? - correct answer The patient's condition takes precedence over the counts in an emergency situation, but the omission should be documented in the patient's operative record. Practice Test CST Exam Questions and Answers decontaminated to help prevent microorganisms from drying and becoming airborne. Which of the following types of sponges is used directly on the structures of the brain? - correct answer Cottonoid is applied directly onto the brain, nerves, and spinal cord. The appendiceal stump, when inverted, is held in place by which of the following types of suture? - correct answer . A purse-string stitch allows the stump to become, and remain, inverted. Which of the following does NOT result after dipping a bloody RAY-TEC sponge into irrigation solution? - correct answer The RAY-TEC sponges will not release lint into the solution because they are lint free. During a tympanoplasty, which of the following is the best choice for graft material? - correct answer . A temporalis fascia graft most resembles the tissue of the tympanic membrane. The primary reason padding is used in positioning a patient is to - correct answer The main reason padding is used in surgery is to prevent injury to nerves and bony prominences. Practice Test CST Exam Questions and Answers If a sponge is missing, which of the following actions should be taken FIRST? - correct answer The count should be repea 43e0 ted immediately to confirm that a sponge is indeed missing or that the circulator and surgical technologist miscounted. During an anterior cervical fusion, a bone graft is taken in order to fuse the vertebral - correct answer The vertebral body is fused to ease pain from a herniated disk. Which of the following is necessary for ethylene oxide sterilization to occur? - correct answer Spores must be hydrated to facilitate passage of the ethylene oxide into the organism. Which of the following retractors may be used during an open cholecystectomy? - correct answer A Harrington retractor is used specifically to retract the liver while exposing the gallbladder. Which of the following arteries is MOST commonly used for taking a blood pressure reading? - correct answer A brachial artery is located along the humerus. It runs from Practice Test CST Exam Questions and Answers the shoulder to just past the elbow. The brachial artery is used for taking blood pressure and a pulse. Sponges that have been added to the sterile field after a procedure has begun should be counted by the - correct answer Both the surgical technologist in the scrub role and the circulator must participate in the count according to typical hospital policy. The required number of air exchanges per hour in an operating room is - correct answer D. About 20 to 25 air exchanges are needed to minimize bacterial growth A Javid shunt is used for which of the following procedures? - correct answer A Javid shunt is utilized only for this procedure due to the small size of the shunt and the incision. Which of the following instruments is NOT used in otorhinolaryngology surgery? - correct answer A Poole suction tip is NOT used in otorhinolaryngology procedures because it is much too large. It is primarily used in abdominal procedures. For which of the following procedures is Gelfoam MOST commonly used? - correct answer Gelfoam is used in Practice Test CST Exam Questions and Answers If unexpected heavy blood loss occurs during a surgical procedure, the surgical technologist should request additional - correct answer . When heavy blood loss occurs quickly, it has to be suctioned so that the surgeon can see the source of bleeding and stop it. One-suction tubing may not be adequate. Three may be the maximum used. In order to remove a portion of the kidney, the surgeon must enter which of the following? - correct answer Gerota's fascia is also known as renal fascia. It encloses the suprarenal glands and separates them from the kidney. List in order the sequence of induction for general anesthesia: 1. leads placed on the patient 2. induction agent is give through an IV 3. patient is prompted to breath 100% oxygen 4. patient is intubated 5. anesthetic gas agent is selected and applied - correct answer . 1 . Leads are placed in order to monitor all cardiac activity during the induction of anesthesia. 3. The patient's blood oxygen saturation is raised as high as possible to sustain them during intubation. 2. The induction agent causes a loss of consciousness, and is associated with depressed reflexes, respiratory depression, and an inadequate airway. 4. The patient is Practice Test CST Exam Questions and Answers secured and maintained after being depressed. 5. Anesthetic gas is selected an applied. During a procedure, the surgical technologist touches an unsterile item with a sterile glove. Which of the following should be done? - correct answer Change the glove at once to prevent contamination During strabismus surgery, which of the following is the first tissue layer that must be incised? - correct answer . The conjunctiva is the outermost tissue layer of the eye. Which of the following is the primary purpose for changing into operating room attire? - correct answer Operating room attire provides an effective barrier to prevent the spread of microorganisms to patients and protect OR personnel from blood and body fluids. A lumbar meningocele involves removal of - correct answer A meningocele is a fluid-filled sac that is removed during this procedure. Which of the following procedures requires a microscope? - correct answer Tympanoplasty is the reconstruction of the tympanic membrane performed under microscopic vision. Practice Test CST Exam Questions and Answers Hair removed during preparation for cranial surgery should be - correct answer . Hair removed from the patient prior to cranial surgery is considered personal property of the patient.