Bio 290: Intervertebral Joints & Ligaments
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Intervertebral disks both form joints between vertebral bodies AND act as shock absorbers for the vertebral column.
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True
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False
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The joints on the vertebral are designed to be strong and hold weight. Several ligaments that hold the articulating bones together strengthen these joints. Take up this Bio 290 quiz on intervertebral joints and ligaments covering the Atlas plates 21-22 and 158- 159 and see how much you recall from the topic.
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- 2.
Intervertebral disks are composed of these two features:
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An elastic nucleus pulposus
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An anulus fibrosus
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A Nuchal
Correct Answer(s)
A. An elastic nucleus pulposus
A. An anulus fibrosusExplanation
Intervertebral disks are composed of two features: an elastic nucleus pulposus and an anulus fibrosus. The elastic nucleus pulposus is a soft, gel-like substance located in the center of the disk, which provides cushioning and shock absorption for the spine. The anulus fibrosus, on the other hand, is a tough, fibrous outer layer that surrounds and protects the nucleus pulposus. Together, these two features help to maintain the structural integrity of the intervertebral disk and allow for flexibility and movement of the spine.Rate this question:
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- 3.
A "slipped disk" or "ruptured disk" is actually a herniated intervertebral disk in which the annulus fibrosus protrudes through the nucleus pulposus and compresses the spinal root (nerves emerging from the spinal cord).
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True
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False
Correct Answer
A. FalseExplanation
The Nucleus pulposus protrudes through the annulus fibrosus.Rate this question:
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- 4.
Most often, herniated disks occur in this region, where stress on the vertebral column is the greatest.
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Lumbar
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Sacral
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Coccygeal
Correct Answer
A. LumbarExplanation
Herniated disks most commonly occur in the lumbar region because it is the area where the stress on the vertebral column is the greatest. The lumbar region is located in the lower back and supports a significant amount of weight and movement, making it more prone to injury and disk herniation. The sacral and coccygeal regions are lower down the spine and do not experience as much stress, making them less likely locations for herniated disks.Rate this question:
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- 5.
This ligament is attached Skull <-> Cervical spinous processes.
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Anterior and Posterior longitudinal
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Supraspinous
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Nuchal
Correct Answer
A. NuchalExplanation
The ligament that is attached to the skull and cervical spinous processes is the nuchal ligament. The nuchal ligament is a strong, elastic ligament that runs along the back of the neck and provides support for the head. It helps to maintain the upright position of the head and also assists in stabilizing the cervical spine.Rate this question:
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- 6.
Which ligament is matched incorrectly?
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Anterior Longitudinal : Anterior vertebral body Anterior vertebral body
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Posterior Longitudinal : Posterior vertebral body Posterior vertebral body
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Supraspinous : Skull Cervical spinous processes
Correct Answer
A. Supraspinous : Skull Cervical spinous processesExplanation
The supraspinous ligament connects the tips of the spinous processes of the vertebrae in the cervical spine, not the skull.Rate this question:
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- 7.
The supraspinous ligament attaches the posterior spinous processes <-> posterior spinous processes.
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True
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False
Correct Answer
A. TrueExplanation
The supraspinous ligament is a strong fibrous band that connects the posterior spinous processes of the vertebrae. This ligament provides stability and support to the spinal column, helping to maintain proper alignment of the vertebrae. Therefore, it is true that the supraspinous ligament attaches the posterior spinous processes to each other.Rate this question:
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- 8.
Ribs are only fou nd in the cervical and thoracic part of the trunk only.
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True
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False
Correct Answer
A. FalseExplanation
Ribs are only found in the thoracic part of the trunk.Rate this question:
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- 9.
Which statement is false?
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The first 7 pairs of ribs connect directly to the sternum via costal cartilages
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Ribs 8-12 attach indirectly to the sternum via costal cartilages of the more superior ribs.
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There are 2 floating ribs because they do not attch to the sternum nor to the cartilage of other ribs.
Correct Answer
A. Ribs 8-12 attach indirectly to the sternum via costal cartilages of the more superior ribs.Explanation
Ribs 8-10 attach indirectly to the sternum via costal cartilages of the more superior ribs. Ribs 11-12 are the two floating ribs lacking attachment.Rate this question:
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- 10.
The __________ of the rib has two articular facets that form joints with the vertebral bodies of two thoracic vertebrae.
Correct Answer
Head
headExplanation
The head of the rib has two articular facets that form joints with the vertebral bodies of two thoracic vertebrae.Rate this question:
- 11.
The ___________ of the rib is found on the posterior surface and has a facet for articulation with a thoracic transverse process.
Correct Answer
tubercle
TubercleExplanation
The correct answer is "tubercle". The tubercle of the rib is located on the posterior surface and it has a facet that allows it to articulate with a thoracic transverse process.Rate this question:
- 12.
The ___________ of the rib lies between the head and the tubercle.
Correct Answer
neck
NeckExplanation
The correct answer is "neck" or "Neck". The explanation is that the neck of the rib is the part that lies between the head and the tubercle.Rate this question:
- 13.
The _________ of the rib is curved, thin, and flat.
Correct Answer
Shaft
shaftExplanation
The word "shaft" refers to the long, narrow, and cylindrical portion of an object. In the context of the question, it is referring to the rib. The rib is described as curved, thin, and flat, which aligns with the characteristics of a shaft. Therefore, "shaft" is the correct answer.Rate this question:
- 14.
Just beyond the tubercle, at the _______ of the rib, the shaft runs sharply and anteriorly. Intercostal nerves and blood vessels are located in the costal groove along the inferior and medial surface of the rib shaft.
Correct Answer
Angle
angleExplanation
The correct answer is "angle". The question is asking about the location of the shaft of the rib just beyond the tubercle. The word "angle" suggests that the shaft runs sharply and anteriorly at a specific point. This is supported by the mention of intercostal nerves and blood vessels being located in the costal groove along the inferior and medial surface of the rib shaft, indicating a specific angle or direction of the rib shaft.Rate this question:
- 15.
The sternum lies in the midline of the anterior body wall of the thorax and is divided into three parts.
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True
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False
Correct Answer
A. TrueExplanation
The sternum is indeed located in the midline of the anterior body wall of the thorax. It is a long flat bone that connects to the ribs and forms the front of the rib cage. The sternum is divided into three parts: the manubrium, the body, and the xiphoid process. This division allows for flexibility and movement of the rib cage during breathing. Therefore, the statement is true.Rate this question:
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- 16.
The most superior part of the sternum is a broad, triangular ___________.
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Manubrium
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Body
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Xiphoid Process
Correct Answer
A. ManubriumExplanation
The most superior part of the sternum is called the manubrium. It is a broad, triangular-shaped bone that forms the upper portion of the sternum. The manubrium is located at the base of the neck and articulates with the clavicles and the first pair of ribs. It provides attachment sites for various muscles and ligaments, and serves as an important landmark in the chest anatomy.Rate this question:
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- 17.
The second section of the sternum is the elongated __________.
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Manubrium
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Body
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Xiphoid Process
Correct Answer
A. BodyExplanation
The second section of the sternum is known as the body. The sternum is divided into three sections: the manubrium, the body, and the xiphoid process. The body is the middle and largest section of the sternum, located between the manubrium and the xiphoid process. It is elongated and forms the main part of the sternum.Rate this question:
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- 18.
The most inferior, narrow, triangular shaped section of the sternum is the ________.
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Manubrium
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Body
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Xiphoid Process
Correct Answer
A. Xiphoid ProcessExplanation
The xiphoid process is the most inferior, narrow, triangular shaped section of the sternum. It is located at the bottom of the sternum and is made of cartilage. It serves as an attachment point for various muscles and ligaments in the abdomen. The xiphoid process is the smallest and most fragile part of the sternum and can sometimes be easily fractured or injured.Rate this question:
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Feb 10, 2023Quiz Edited by
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Jul 13, 2011Quiz Created by
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