Regional Anatomy Week 2 Quiz

What muscles contributes to the floor of the submandibular triangle?

Hyoglossus

Which of the following is found within the carotid triangle?

CN XI

Which of the following is a lateral vertebral muscle?

Scalenus posterior

Which muscle creates the lateral border of the sub mental triangle?

Anterior belly of the digastric

What muscle is pierced by the intermediate tendon of the digastric near its insertion?

Stylohyoid

What cranial nerve does the thyrohyoid muscle receive its CN1 fibres from?

CN XII

What structure joins the posterior auricular vein to form the external jugular vein?

Posterior branch of the retromandibular vein

Which thin, strap-like muscle group assist in stabilizing the larynx?

Infrahyoid muscles

Which structure is the only constant tributary of the subclavian vein?

External jugular vein

Which of the following is an action of the platysma?

Helps depress the mandible

Which muscle is an upward continuation of the sternothyroid?

Thyrohyoid

Which of the following is the anterior and inferior border of the carotid triangle?

Superior belly of the omohyoid