10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The RNAS-C exam has 150 questions and runs 3 hours.
These 10 free RNAS-C questions are organized by exam domain, so you can see how each part of the Registered Nurse Assistant at Surgery - Certified blueprint is tested. Reveal the answer and explanation under each question.
A 128-kg adult with normal renal function is undergoing prolonged fracture fixation. Cefazolin 3 g IV was started at 07:30; incision was at 08:00. Estimated blood loss is 250 mL, no additional antibiotic has been given, and closure is at least an hour away. The ordered regimen follows ASHP surgical prophylaxis guidance. At 11:45, which recommendation is appropriate?
Correct answer: D - Administer cefazolin 3 g now.
After the operating table is raised, a radial arterial pressure increases from 122/68 to 154/100 mm Hg without a change in heart rate or the operative field. A correctly sized cuff at heart level reads 124/70 mm Hg. The arterial transducer is still attached to a stationary pole, well below the right atrium. What is the appropriate first correction?
Correct answer: C - Restore the transducer to the right-atrial reference level, then repeat the pressure comparison.
For a midline abdominal fascial closure, the surgeon requests an absorbable monofilament that provides relatively prolonged support while the fascia heals. Which suture on the tray fits that request?
Correct answer: A - Polydioxanone
Forty minutes after induction with succinylcholine and sevoflurane, end-tidal CO₂ rises from 37 to 68 mm Hg despite increased minute ventilation. The anesthesia team has excluded a circuit problem. Heart rate is 138/min, generalized muscle rigidity develops, and core temperature is 37.4°C. Which response should the RNFA anticipate?
Correct answer: D - Obtain dantrolene and assist anesthesia in stopping the triggering anesthetic.
At handoff after a right upper lobectomy, a three-chamber wet-suction chest drain shows gentle continuous bubbling in the suction-control chamber. The water-seal chamber fluctuates with respiration but does not bubble. The prescribed water levels are correct, the tubing is patent, and the patient is breathing comfortably. How should the RNFA respond to the bubbling?
Correct answer: A - Maintain ordered suction and monitor breathing, drainage, and water levels.
A hernia sac enters the deep inguinal ring and follows the spermatic cord. Which operative description correctly identifies this hernia and the position of its neck relative to the inferior epigastric vessels?
Correct answer: B - Indirect hernia; neck lateral to the inferior epigastric vessels.
Imaging of a 12-year-old's distal tibial injury shows a single fracture line extending from the metaphysis, across the growth plate, and through the epiphysis into the ankle joint. How is this injury classified in the Salter-Harris system?
Correct answer: D - Type IV
The hepatocystic triangle has been cleared of fat and fibrous tissue during laparoscopic cholecystectomy. Two tubular structures are seen entering the gallbladder, but its lower third remains attached to the liver. What remains to be done to establish the critical view of safety?
Correct answer: C - Separate the lower gallbladder from the liver to expose the cystic plate.
A nipple-areola complex is pink before inset during a pedicled breast reduction. After several inset sutures are tied, it becomes dusky and congested. The breast is not expanding, and the patient's blood pressure is unchanged. The discoloration improves when the surgeon releases the sutures. Which mechanism best explains this change?
Correct answer: A - Mechanical restriction of venous drainage by the tight inset.
Before elective hip arthroplasty, a patient has a BMI of 43 kg/m² and well-controlled hypertension. There is no acute illness, end-organ failure, or ongoing threat to life. Which ASA Physical Status designation best fits this assessment?
Correct answer: B - ASA III
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