BCSE Anatomy 5

Question 1

Which structure separates the anterior and posterior triangles of the neck?

Accepted Answer

Sternocleidomastoid muscle

Answer

The sternocleidomastoid muscle forms the boundary between the anterior and posterior triangles of the neck.

Question 2

Which spinal cord tract carries pain and temperature sensation from the contralateral body?

Accepted Answer

Lateral spinothalamic tract

Answer

Pain and temperature fibers cross within one to two spinal levels and ascend in the lateral spinothalamic tract to the thalamus.

Question 3

The anatomical position of the appendix is most commonly:

Accepted Answer

Retrocecal

Answer

In approximately 65% of individuals, the appendix lies in a retrocecal position, which can make the presentation of appendicitis atypical.

Question 4

The pes anserinus is the combined insertion of which three muscles?

Accepted Answer

Gracilis, sartorius, semitendinosus

Answer

The pes anserinus ('goose's foot') is the conjoined tendon of gracilis, sartorius, and semitendinosus attaching to the anteromedial proximal tibia.

Question 5

Damage to the superior laryngeal nerve (internal branch) would most likely cause:

Accepted Answer

Loss of sensation above the vocal cords

Answer

The internal branch of the superior laryngeal nerve is purely sensory to the laryngeal mucosa above the vocal cords; its injury eliminates the cough reflex from that region.

BCSE - Basic and Clinical Sciences Examination Practice Test

BCSE - Basic and Clinical Sciences Examination Practice Test

BCSE Anatomy 5