Certified Surgical Technologist Anatomy and Physiology Questions and Answers

Question 1

Which cranial nerve is solely responsible for the sense of smell and is designated as CN I?

Accepted Answer

Olfactory Nerve (CN I)

Answer

Optic Nerve (CN II)

Answer

Trigeminal Nerve (CN V)

Answer

Facial Nerve (CN VII)

Question 2

During a laparoscopic cholecystectomy, the surgeon's primary goal is to safely dissect the triangle of Calot. Which two structures must be identified, ligated, and divided to remove the gallbladder?

Accepted Answer

Cystic duct and cystic artery

Answer

Cystic duct and common bile duct

Answer

Common hepatic duct and cystic artery

Answer

Right hepatic artery and common bile duct

Question 3

A patient is undergoing a repair of the rotator cuff. Which of the following muscles is NOT part of this functional group?

Accepted Answer

Teres major

Answer

Supraspinatus

Answer

Teres minor

Answer

Subscapularis

Question 4

Deoxygenated blood returning from the systemic circuit first enters which chamber of the heart?

Accepted Answer

Right atrium

Answer

Left atrium

Answer

Right ventricle

Answer

Left ventricle

Question 5

During a total thyroidectomy, the surgeon must carefully dissect the superior pole of the thyroid to ligate the superior thyroid artery. This maneuver places which of the following nerves at the highest risk of injury?

Accepted Answer

External branch of the superior laryngeal nerve

Answer

Recurrent laryngeal nerve

Answer

Hypoglossal nerve

Answer

Vagus nerve

Question 6

When making a midline abdominal incision, the surgeon incises through multiple layers to enter the peritoneal cavity. Which of the following lists the layers in the correct order from superficial to deep?

Accepted Answer

Skin, subcutaneous fat, linea alba, transversalis fascia, peritoneum

Answer

Skin, transversalis fascia, subcutaneous fat, peritoneum

Answer

Skin, rectus sheath, subcutaneous fat, peritoneum

Answer

Skin, external oblique muscle, internal oblique muscle, peritoneum