The Apex of the Heart (Tip of the Left Ventricle)

question 6

Multiple Choice

The apex of the heart (tip of the left ventricle) lies just above the diaphragm at a level corresponding to which intercostal space?

• A) Fourth
• B) Fifth
• C) Sixth
• D) Seventh

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Definitions:

Protraction

Movement forward or in the anterior direction.

Temporomandibular Joint

The hinge joint that connects the lower jaw (mandible) to the temporal bone of the skull, which is in front of the ear on each side of the head.

Temporal Bone

A bone on the side of the skull, housing structures of the ear and forming part of the side and base of the skull.

Articular Surfaces

The surfaces of bones that come into contact with one another to form joints.