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vertebral column
Question | Answer |
---|---|
The vertebral column encloses and protects the | Spinal cord |
The number of separate bones in the vertebral column of an adult is | 33 |
The seventh cervical vertebra | Vertebra prominens |
Supports the weight of the head and trunk in the vertebrae | The body |
Separate adjacent vertebrae, and they soften the forces created by walking | Invertebral discs |
The inter vertebral foramina provide passageways for | Spinal nerves |
Transverse foramina of what vertebrae serve as passageways for blood vessels leading the the brain | Cervical |
The first vertebra is called | Atlas |
When the head is moved from side to side, the first vertebra pivots around the | Axis of the second vertebra |
What vertebrae have the largest and strongest bodies? | Thoracic |
The number of vertebrae that fuse to form the sacrum is | Five[] |
The adult skeleton of most men and women contains a total of | 206 bones |
The last two pairs of ribs that have no cartilaginous attachments to the sternum are sometimes called | Floating ribs |
How many pairs of true ribs are there? | Seven |
Costal cartilages are composed of | Connective tissue |
The manubrium articulates with what on its superior border? | Clavicles |
Three general functions of the thoracic cage | Protects the heart and lungs, provides attachment for the pectoral girdle, and creates a vacum that draws air into the lungs |
A band of tough connective tissue in the midline of the anterior abdominal wall... also serves as a muscle attachment | Linea alba |
What muscle spans from the costal cartilages and sternum to the pubic bones? | Rectas abdominus |
What forms the third layer of the abdominal wall muscles? | Transverse abdominal |
Action of the external oblique muscle is to | Compress the abdomin and rotate and flex the vert. column |
The iliocostalis, longissimus, and spinalis muscles together form the | Erector spinae |
What has the origin on the iliac crest and the insertion of rib 12 and L1-L4 vertebrae | Quadrous lumborum |
The levator ani and coccygeus together form the | pelvic diaphragm |
The posterior portion of the perineum is called the | Anal triangle |
What surrounds the base of the penis? | Bulbospongiosus |
In females, the bulbospongiosus acts to constrict the | Vagina |
In the female, the pelvic floor is penetrated by the urethra, vagina, and | Anus |
In the female, what muscles are separated by the vagina,urethra and anal canal? | Perineal |
Name five muscles in the pelvic outlet that males and females both have | Bulbospongiosus, Ischiocavernosus, Levator ani, Coccygeus, Superficial transverse, perineal muscles |