ABSA EXAM / AMERICAN BOARD OF SURGICAL ASSISTANT
(ABSA) ACTUAL Exam 2026-2027 BANK QUESTIONS WITH
DETAILED VERIFIED ANSWERS EXAM QUESTIONS WILL
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QUESTION 1
A 45-year-old male undergoes an emergency exploratory laparotomy
for a suspected perforated viscus. Upon entering the peritoneal cavity,
the surgical assistant observes a large amount of turbid, feculent fluid.
Which of the following is the most appropriate immediate step in the
management of this intra-abdominal contamination?
A) Perform a thorough lavage with warm normal saline until the
effluent is clear.
B) Obtain a sample for culture and sensitivity, then close the abdomen.
C) Administer broad-spectrum intravenous antibiotics and proceed with
definitive repair.
D) Instill a fibrin sealant to contain the contamination.
Answer: A) Perform a thorough lavage with warm normal saline until
the effluent is clear.
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Explanation: In the setting of feculent peritonitis, the fundamental
surgical principle is source control and reduction of bacterial load.
Massive intraperitoneal lavage with warm normal saline is the standard
method to dilute and remove contaminants, bacteria, and inflammatory
mediators. Warm solution is preferred to prevent hypothermia and
cardiac arrhythmias. While cultures are important (option B), they
should not delay irrigation. Antibiotics (option C) are adjunctive, not a
substitute for mechanical lavage. Fibrin sealants (option D) are not
indicated for diffuse contamination.
QUESTION 2
Which of the following anatomical structures is most at risk for injury
during a right hemicolectomy when mobilizing the hepatic flexure?
A) Ureter
B) Duodenum
C) Spleen
D) Gallbladder
Answer: B) Duodenum
Explanation: During mobilization of the hepatic flexure of the colon, the
surgeon must enter the retroperitoneal plane. The second part of the
duodenum lies directly posterior and medial to the hepatic flexure and is
intimately associated with the retroperitoneal attachments. Inadvertent
dissection too deep or medial can result in a duodenal serosal tear or
full-thickness injury. The right ureter (option A) is at risk during medial
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mobilization of the right colon but is more commonly encountered in the
pelvic or lower abdominal dissection. The spleen (option C) is at risk
during mobilization of the splenic flexure, not the hepatic flexure. The
gallbladder (option D) is not typically in the dissection field.
QUESTION 3
During a laparoscopic cholecystectomy, the critical view of safety is
achieved by identifying which three structures?
A) Cystic duct, common hepatic duct, and common bile duct
B) Cystic duct, cystic artery, and the lower edge of the liver
C) Cystic duct, cystic artery, and the gallbladder infundibulum
D) Common bile duct, hepatic artery, and portal vein
Answer: C) Cystic duct, cystic artery, and the gallbladder infundibulum
Explanation: The critical view of safety is a standardized technique to
prevent bile duct injuries. It requires clear identification of the cystic
duct and cystic artery entering the gallbladder, with the lower third of
the gallbladder (infundibulum) dissected free from the liver bed. Only
after these three structures are unequivocally identified should the
cystic duct and artery be clipped and divided. Option A is incorrect
because the common hepatic and common bile ducts should be
identified but are not part of the critical view. Option B is incomplete,
and option D describes structures in the porta hepatis.
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QUESTION 4
A patient with a left-sided pneumothorax undergoes tube
thoracostomy. The surgical assistant notes persistent bubbling in the
water-seal chamber during expiration. This finding is most consistent
with:
A) A small air leak that will resolve spontaneously.
B) A large air leak from the lung parenchyma.
C) A malpositioned chest tube in the subcutaneous tissue.
D) An obstruction in the chest tube.
Answer: B) A large air leak from the lung parenchyma.
Explanation: Persistent bubbling in the water-seal chamber during
expiration indicates a continued air leak from the lung or bronchial tree.
This is common in the immediate post-insertion period but should
diminish as the lung re-expands. If it persists, it suggests a significant
parenchymal injury or bronchopleural fistula. A small leak (option A)
would typically resolve quickly. A malpositioned tube (option C) would
show no drainage or bubbling. An obstruction (option D) would prevent
bubbling.
QUESTION 5
Which of the following is the most reliable anatomical landmark for
identifying the appendix during an open appendectomy?
A) The convergence of the taeniae coli at the base of the cecum