Multiple Choice
During a prenatal exam, Connie is told there is a chance her child has hydrocephalus. She knows the prefix hydro means water. Where is she expecting there to be excess water in her child's body?
2120
views
35
rank
1. Introduction to Anatomy & Physiology
Anatomical Terms for the Head and Neck
Multiple Choice
Which feature is unique to the axis vertebra in the human skeleton?
A
Dens (odontoid process)
B
Vertebral foramen
C
Transverse foramen
D
Spinous process
Verified step by step guidance1
Understand the context: The axis vertebra, also known as C2, is the second cervical vertebra in the human spine. It plays a crucial role in allowing the head to rotate.
Identify the unique feature: The axis is distinguished by a specific structure called the dens or odontoid process, which is not found in other vertebrae.
Compare with other features: The vertebral foramen, transverse foramen, and spinous process are common features found in many vertebrae, not unique to the axis.
Explain the function of the dens: The dens acts as a pivot that allows the atlas (C1) and the skull to rotate around the axis, enabling head movement.
Conclude the uniqueness: The presence of the dens is what makes the axis vertebra unique compared to other vertebrae in the human skeleton.
Related Videos
Related Practice
