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Select the one best response to each question!
The parasympathetic root of the celiac plexus is a branch of which of the following?
The parasympathetic root of the celiac plexus is a branch of the posterior vagal trunk that contains fibers from the right and left vagal nerves. The sympathetic roots of the plexus are the greater and lesser splanchnic nerves
|81. All of the following structures may herniate into the thoracic cavity when there is a traumatic diaphragmatic hernia EXCEPT
|82. All of the following structures pass through the esophageal hiatus EXCEPT
(A) posterior vagal trunk
(B) esophageal branches of the left gastric vessels
(C) anterior vagal trunk
(D) thoracic duct
|83. The greater and lesser splanchnic nerves pass through the diaphragm via which of the following structures?
(A) sternocostal foramen
(B) aortic hiatus
(C) diaphragmatic crus
(D) vena caval foramen
(E) medial arcuate ligament
|84. The parasympathetic root of the celiac plexus is a branch of which of the following?
(A) greater splanchnic
(B) pelvic splanchnic
(C) lumbar splanchnic
(D) posterior vagal trunk
(E) lesser splanchnic
|85. The bifurcation of the abdominal aorta occurs at the level of which of the following structures?
(A) crest of the ilium
(B) inguinal ligament
(C) pubic tubercle
(D) symphysis pubis
(E) obturator foramen
|86. The inferior vena cava begins anterior to which of the following structures?
(A) right crus of the diaphragm
|87. The cisterna chyli is the inferior end of which of the following structures?
(A) inferior vena cava
(B) abdominal aorta
(C) renal vein
(D) testicular artery
(E) thoracic duct
|88. How are the pelvic splanchnic nerves distinct from other splanchnic nerves?
(A) derived from ventral primary rami of L2, L3, and L4
(B) derived from the sympathetic trunks
(C) convey preganglionic parasympathetic fibers to the inferior hypogastric plexus
(D) provide postganglionic sympathetic innervation to the cecum
(E) convey postganglionic parasympathetic innervation to the ascending colon
|89. All of the following statements concerning the psoas major muscle are correct EXCEPT
(A) It passes inferolaterally, deep to the inguinal ligament.
(B) It inserts on the lesser trochanter of the femur.
(C) The pelvic splanchnic nerves are embedded in the posterior part of the psoas.
(D) It is a long, thick and fusiform muscle.
(E) Its name stems from a Greek word meaning “muscle of the loin.
|90. Which of the following statements correctly applies to the suprarenal medulla?
(A) derived from mesoderm
(B) secretes corticosteroids and androgens
(C) contains chromaffin cells
(D) secretes acetylcholine
(E) produces hormones that cause the kidney to retain sodium and water in response to stress
|91. The anatomical left and right lobes of the liver are separated on the diaphragmatic surface of the liver by which of the following structures?
(A) fissure for the round ligament of the liver
(B) fissure for the ligamentum venosum
(C) falciform ligament
(D) porta hepatis
(E) lesser omentum
|92. All of the following statements concerning the spleen are correct EXCEPT
(A) It is the largest branch of the celiac trunk.
(B) It follows a tortuous course along the inferior border of the pancreas.
(C) It divides into five or more branches that enter the hilum of the spleen.
(D) It runs anterior to the left kidney.
(E) It follows posterior to the omental bursa.
|93. In the developing embryo, the midgut rotates 270 degrees around which of the following
(A) superior mesenteric artery
(B) celiac trunk
(C) splenic artery
(D) left renal artery
(E) inferior vena cava
|94. Which of the following structures is avascular?
(A) superior ileocecal fold
(B) inferior ileocecal fold
|95. Which of the following statements correctly relates to the 3rd part of the duodenum?
(A) It is supported by the suspensory ligament of the duodenum.
(B) The bile and pancreatic ducts enter its posteromedial wall.
(C) It is crossed by the superior mesenteric artery and vein.
(D) It attaches to the hepatoduodenal ligament.
|96. The left gastro-omental artery arises from which of the following arteries?
(A) celiac trunk
(B) right gastric
|97. Rugae are located in which of the following structures?
|98. All of the following statements concerning the esophagus are correct EXCEPT
(A) It extends from the pharynx to the stomach.
(B) It is crossed by the arch of the aorta.
(C) It is crossed by the right main bronchus.
(D) It passes through the esophageal hiatus.
(E) It normally has four constrictions.
|99. Digestion occurs mainly in which of the following structures?
(A) cecum and ascending colon
(B) transverse colon
(C) stomach and duodenum
(D) jejunum and ileum
(E) transverse and sigmoid colon
|100. Most reabsorption of water occurs in which of the following structures?
(C) sigmoid colon
(D) ascending colon