Which Muscle Helps Form the Boundaries of the Submandibular Triangle

question 4

Multiple Choice

Which muscle helps form the boundaries of the submandibular triangle of the neck?

• A) digastric
• B) omohyoid
• C) mylohyoid
• D) sternocleidomastoid
• E) trapezius

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Definitions:

Pyroclastic Column

A vertical column of volcanic ash and gas ejected into the atmosphere during an explosive volcanic eruption.

Fissure Eruption

A volcanic eruption that occurs when magma rises through and erupts onto the surface in a long fissure.

Lava Fountain

A fountain of molten lava propelled into the air by pressure and escaping gases.

Volcanic Dome

A rounded mound formed over a volcanic vent, created by the slow extrusion of viscous lava from a volcano.