NBSTSA exam prep 121-160, All Questions with 100% Accurate answers.

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NBSTSA exam prep 121-160, All Questions with 100% Accurate answers. When a patient is in the prone position, the elbows should be properly padded and the shoulders extended no greater than 90 deg... rees to avoid injury to the - ✔✔-Ulnar nerve and brachial plexus (The padding on the elbows protects the ulnar nerve. The shoulder extension at no greater than 90 degrees protects the brachial plexus) During a carotid endarterectomy, the final occlusion clamp to be removed after anastomosis is on the - ✔✔-Internal carotid (The clamp on the internal carotid artery should be removed last so that all debris left in the area is flushed out through the external carotid artery) Which of the following angled plates is most frequently closed for a compression hip screw fixation - ✔✔-135 degrees (the 135 degrees angle plates are most frequently closed for compression hip screw fixation because of ease of placement and excellent clinical results) Which of the following is the casting method used to manage a pelvic fracture - ✔✔-Spica cast (The spica cast is a 1 1/2 hip spica and is used to manage pelvic fractures) When a surgeon places a 2-stage venous cannula for cardiopulmonary bypass, where should the cannula be placed - ✔✔-Right atrium (The right atrium sends deoxygenated blood to the bypass unit through the venous cannula) the best method of managing blood loss during a traumatic liver injury or hepatic resection is - ✔✔- Pringle maneuver (The Pringle maneuver is used to control bleeding via intermittent vascular occlusion of the portal triad) When removing a tumor, isolation technique is used to - ✔✔-Prevent mechanical metastasis (Isolation technique is used to prevent cross-contamination or seeding of malignant cells) When assessing the postoperative patient, the surgical first assistant should demonstrate competency in - ✔✔-recognition of physiological complications, management of physiological emergencies, and interpretation of monitoring data The 3rd ventricle empties into the fourth ventricle through which of the following small ducts, which is the only exit for the third and lateral ventricles - ✔✔-Aqueduct of Sylvius (The 3rd ventricle empties into the 4th through the aqueduct of sylvius (cerebral aqueduct) It is a small duct that is the only exit for the third and lateral ventricles. It is the weakest and most important point for the ventricular system due to its location and small size) Postoperatively, which of the following is closely monitored immediately after a loop colostomy is performed - ✔✔-Ischemia (Immediately following a loop colostomy, the ostomy is closely monitored for ischemia, prolapse and retraction) A surgeon has determined that a patient requires an ORIF, using a plate and screw, the repair a fracture of the distal radius. On which of the following aspects of the distal radius will the incision and approach to the fracture be made - ✔✔-Volar (The volar (anterior) surface of the distal half of the radius is broad, flat, and smooth and provides a more satisfactory bed for a plate or a graft than does the dorsal (posterior) convex side) Which of the following positions should be utilized for posterior colpotomy - ✔✔-Lithotomy (Colpotomy is an incision into the vagina. The lithotomy position is necessary for access to this region of the body) A suture ligature is also referred to as - ✔✔-A stick tie (A "stick tie" or "suture ligature" is a strand of suture on a needle. Since this is usually used to tie off a blood vessel, it is often a nonabsorbable suture (silk is common) size 3-0 on a small gastrointestinal needle. Which of the following should be applied immediately postoperatively to immobilize the surgical site, limit limb motion, and allow for postoperative swelling in open reduction procedures - ✔✔-Splint (splints are used in postoperative open reduction and soft tissue procedures for a few days as the wound heals) When transferring a thoracotomy patient to recovery, the chest drainage system should be - ✔✔- Maintained below the patients chest level (allowing for proper gravity drainage and prevention of tubing kinks) Which of the following cranial nerves innervates the heart - ✔✔-CN X (in addition to other structures, CN X(vagus nerve) innervates organs of the thoracic and abdominal cavitites. During a carotid endarterectomy, the patients heart rate drops to 30 bpm. This is likely due to stimulation of the - ✔✔-Vagus nerve (The vagus nerve can affect the heart rate when stimulated during carotid surgery) Following inflammation, what is the correct sequence of the stages of bone healing - ✔✔-cellular proliferation, callus formation, ossification, remodeling Which of the following lies between the lung and the chest wall - ✔✔-pleura (The pleural cavity is a closed space within which the lung resides. As the lung expands into the space it picks up a layer of pleura, which is called the visceral pleura. The remainder of the pleura is called the parietal pleura) A patient who has sustained a shotgun wound to the right anterior superior area of the thigh is unable to extend the leg and has loss of sensation in the skin over the anteromedial aspect of the thigh. Which of the following nerves has been damaged - ✔✔-Femoral (The femoral nerve innervates the flexor muscles of the hip joint and extensor muscles of the knee joint skin over the anterior and medial aspects of the thigh) The most common complication seen in the unaffected leg related to positioning on a fracture table is - ✔✔-Peroneal nerve damage (pressure from the perineal post could damage [Show More]

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