Which of the Following Correctly States the Origin and Insertion

question 38

Multiple Choice

Which of the following correctly states the origin and insertion of the sternocleidomastoid?

• A)sternal manubrium and lateral one-third of clavicle; mastoid process and lateral half of superior nuchal line
• B)sternal manubrium and medial half of clavicle; mastoid process and medial one-third of superior nuchal line
• C)sternal manubrium and medial one-third of clavicle; mastoid process and lateral half of superior nuchal line
• D)sternal manubrium and lateral half of clavicle; mastoid process and lateral one-third of superior nuchal line
• E)mastoid process and lateral half of superior nuchal line; sternal manubrium, medial one-third of clavicle

---

Definitions:

Vertebrates

Animals that possess a backbone or spinal column, including fish, amphibians, reptiles, birds, and mammals.

Reptiles

A group of cold-blooded vertebrate animals characterized by scales or scutes, laying shelled eggs, and breathing air, including snakes, lizards, crocodilians, and turtles.

Clade

A group of organisms believed to comprise all the evolutionary descendants of a common ancestor.

Ancestral Traits

Characteristics that appeared in common ancestors and are passed down to subsequent generations.