Institute of First Assisting) Surgical Specialties certification. Questions cover retroperitoneal anatomy,
cardiac surgery medications, compartment syndrome, surgical anatomy, pharmacology, knee
stabilization, renal physiology, and all major surgical specialties including general, vascular, orthopedic,
urologic, gynecologic, neurologic, and thoracic surgery. Each question includes four answer options, a
verified correct answer, and a short clinical rationale. Updated for 2025/2026 guidelines. Ideal for
surgical assistants, RNs, and surgical technologists preparing for board certification or clinical
competency review.
1. Which of the following is not included in the retroperitoneal space?
a. Kidneys
b. Ureters
c. Great Vessels
d. Spleen
Correct Answer: d
Rationale: The spleen is an intraperitoneal organ, not retroperitoneal. The kidneys, ureters, and great
vessels are retroperitoneal.
2. A medication often used in cardiac surgery to prevent spasms of vessels is:
a. Papaverine
b. Lidocaine
c. Heparin
d. Epinephrine
Correct Answer: a
Rationale: Papaverine is a vasodilator used to prevent vascular spasms during cardiac and vascular
surgery.
3. Of the following, which is not included in the 5 P's of compartment syndrome?
a. Pain
b. Pallor
c. Pulses
, d. Paresis
Correct Answer: c
Rationale: The 5 P's are Pain, Pallor, Paresthesia, Paralysis/Paresis, and Pulselessness. Pulses are often
present initially.
4. Identify the fascia which is an extension of the internal oblique muscle and covers the spermatic cord.
a. Internal Spermatic
b. Cremaster
c. External Spermatic
d. Transversalis
Correct Answer: b
Rationale: The cremasteric fascia is derived from the internal oblique muscle and covers the spermatic
cord and testis.
5. A patient does not disclose the use of ephedra to the anesthesiologist during the preoperative visit. If
Halothane is used during the procedure, the patient is at an increased risk for:
a. Ventricular Arrhythmias
b. Vasoconstriction
c. Vasospasm
d. MI
Correct Answer: a
Rationale: Ephedra combined with Halothane sensitizes the heart to catecholamines, increasing the
risk of ventricular arrhythmias.
6. Which of the following muscles are critical for stabilization of the knee joint?
a. Quadriceps femoris
b. Hamstring
c. Sartorius
d. Popliteus
Correct Answer: a
Rationale: The quadriceps femoris is essential for knee stabilization and extension. It acts as the
primary dynamic stabilizer.
7. The filtering mechanism of the kidney is located within which region of the kidney?
a. Renal Cortex
b. Renal Medulla
c. Renal Sinus
d. Renal Calyces
Correct Answer: a
Rationale: The renal cortex contains the glomeruli, which are the filtering units of the kidney.
8. Which of the following is a characteristic of the thyroid gland?
, a. It secretes insulin
b. It is located in the mediastinum
c. It regulates metabolism
d. It produces cortisol
Correct Answer: c
Rationale: The thyroid gland regulates metabolism through the secretion of T3 and T4 hormones.
9. What is the primary function of the gallbladder?
a. Produce bile
b. Concentrate and store bile
c. Digest proteins
d. Absorb nutrients
Correct Answer: b
Rationale: The gallbladder concentrates and stores bile produced by the liver until it is needed for
digestion.
10. Which of the following is a hallmark sign of appendicitis?
a. Right upper quadrant pain
b. Left lower quadrant pain
c. Right lower quadrant pain
d. Epigastric pain
Correct Answer: c
Rationale: Right lower quadrant pain, often at McBurney's point, is the classic sign of appendicitis.
11. Which surgical approach is most common for a cholecystectomy?
a. Open laparotomy
b. Laparoscopic
c. Robotic
d. Endoscopic
Correct Answer: b
Rationale: Laparoscopic cholecystectomy is the gold standard due to faster recovery and reduced
complications.
12. What is the primary blood supply to the stomach?
a. Celiac artery
b. Superior mesenteric artery
c. Inferior mesenteric artery
d. Splenic artery
Correct Answer: a
Rationale: The celiac artery gives rise to the left gastric, splenic, and common hepatic arteries
supplying the stomach.
, 13. Which organ is most commonly injured in blunt abdominal trauma?
a. Liver
b. Spleen
c. Kidney
d. Pancreas
Correct Answer: b
Rationale: The spleen is the most commonly injured organ in blunt abdominal trauma due to its
location and fragility.
14. What is the normal pH range of the stomach?
a. 1.5 - 3.5
b. 4.0 - 6.0
c. 6.5 - 7.5
d. 7.5 - 8.5
Correct Answer: a
Rationale: The stomach has a highly acidic environment with a normal pH of 1.5 to 3.5.
15. Which layer of the gastrointestinal tract is responsible for peristalsis?
a. Mucosa
b. Submucosa
c. Muscularis externa
d. Serosa
Correct Answer: c
Rationale: The muscularis externa contains smooth muscle responsible for peristaltic contractions.
16. What is the most common site of diverticulitis?
a. Ascending colon
b. Transverse colon
c. Descending colon
d. Sigmoid colon
Correct Answer: d
Rationale: The sigmoid colon is the most common site of diverticulitis due to high pressure and
narrow diameter.
17. Which of the following is a sign of intestinal obstruction?
a. Diarrhea
b. Abdominal distension
c. Increased appetite
d. Normal bowel sounds
Correct Answer: b
Rationale: Abdominal distension, nausea, vomiting, and absent bowel sounds are signs of intestinal
obstruction.