Certified Surgical Technologist Anatomy and Physiology 3

Question 1

The common bile duct joins the pancreatic duct at which structure before emptying into the duodenum?

Accepted Answer

Ampulla of Vater

Answer

The common bile duct and pancreatic duct merge at the ampulla of Vater (hepatopancreatic ampulla) before entering the duodenum through the sphincter of Oddi.

Question 2

During a thyroidectomy, which small glands embedded in the posterior thyroid capsule must be identified and preserved?

Accepted Answer

Parathyroid glands

Answer

The four parathyroid glands are embedded in or near the posterior thyroid capsule and regulate calcium homeostasis; their inadvertent removal causes hypocalcemia.

Question 3

Which tendon is most commonly ruptured in an Achilles tendon repair procedure?

Accepted Answer

Calcaneal (Achilles) tendon

Answer

The calcaneal (Achilles) tendon, formed by the gastrocnemius and soleus muscles, is the thickest tendon in the body and most commonly repaired after rupture.

Question 4

The brachial plexus originates from which spinal nerve roots?

Accepted Answer

C5–T1

Answer

The brachial plexus is formed by the ventral rami of spinal nerve roots C5 through T1, providing sensory and motor innervation to the upper extremity.

Question 5

Which organ is retroperitoneal and is therefore NOT covered by visceral peritoneum on all sides?

Accepted Answer

Pancreas (body and tail)

Answer

The pancreas (except the tail) is retroperitoneal and lies behind the peritoneum, making it secondarily retroperitoneal with only an anterior peritoneal covering.

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Certified Surgical Technologist Practice Test

Certified Surgical Technologist Anatomy and Physiology 3