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Exam 8: Surgical Modalities

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Question 21

Multiple Choice

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High-pressure insufflation rates can cause increased intra-abdominal pressure that can result in life-threatening sequelae.The perioperative nurse reduces the flow rate in collaboration with the surgeon,while monitoring the patient for signs of:

A) CO₂ gas embolism.
B) hemostasis.
C) deep vein thrombosis (DVT) .
D) hypoxia.

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Question 22

Multiple Choice

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The surface tissue effect of the CO₂ laser has a shallow penetration of 0.1 to 0.2 mm photothermal effect which serves as the laser of choice for:

A) urologic lithotripsy.
B) plastic surgery or dermatologic removal of tattoos and hemangiomas.
C) laparoscopic cholecystectomy.
D) endoscopic ablation of Barrett's esophageal dysplasia.

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Question 23

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The light transmission through a fiberoptic endoscope is achieved by way of:

The OR was trialing a new insufflation system and the vendor representative was out of the room taking a phone call.The perioperative nurse was concerned that the flow rate was well above 14 L/min,and the pressure had risen to 17 mm Hg.She alerted the surgeon and reduced the rate and pressure because she feared that the elderly patient was at high risk for:

The new endoscopy and surgery center called in an outsource company to present the options and advantages of reprocessing single-use devices at their staff meeting.Select the appropriate question(s) that the staff should ask before making their decision.

Direct coupling during the use of monopolar electrosurgery is caused by __________ and is usually within the control of the ______.

An endoscope is a diagnostic or therapeutic instrument that enters the body through:

The design of laparoscopic instruments aims to provide a clamping,cutting,dissecting,electrocoagulating,suturing,or stapling instrument on the tip of a shaft that is long or short enough to reach the target tissue.The hand control on the surgeon's end of the instrument is engineered to provide:

The surgeon used the electrosurgical unit (ESU) in monopolar mode to cut and coagulate through the subcutaneous tissue on opening the abdomen during a bariatric bypass procedure.As she began to proceed through the muscle and fascia layer,she asked the circulating nurse to increase the cut and coagulation modes on the ESU.Which measure could the scrub person take to enhance energy delivery?