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Skeletal System Ch
Chapter 7 Q &A
| Question | Answer |
|---|---|
| What is the difference between the axial and appendicular skeletons? | The axial skeleton relates to the body's axis. The appendicular skeleton relates to the appendages of the body |
| How many bones comprise the skull? | 22. 8 cranial bones and 14 facial bones |
| What is the function of the paranasal sinuses? | Filled with air, they lighten the skull and act as resonators for sound production |
| What are the names of the 5 sections of the vertebral column? | Cervical vertebrae, thoracic vertebrae, lumbar vertebrae, sacrum, and coccyx |
| What is the structure of the vertebral column? | Flexible, consisting of 33 vertebrae. |
| What is the function of the vertebral column? | It holds the head and torso upright, serves as an attachment point for the legs, and encases the spinal cord. Allows the body to bend forward, backward, and sideways |
| What is the atlas? | The first ceervical vertebra. It supports the skull. It has no body, just a delicate ring and a large vertebral foramen |
| What is the axis? | The second cervical vertebra. Has a projection called the dens, which projects into the atlas and allows the head to swivel from side to side |
| Name 3 abnormal spinal curves | Scoliosis, kyphosis, and lordosis |
| What is the structure of the thoracic cage? | The thoracic cage consists of the thoracic vertebrae, the sternum, and the ribs. These bones form a cone-shaped cage that surrounds and protects the heart and lungs |
| Name the regions of the sternum | Manubrium (the broadest portion), the body (the longest portion), and the xiphoid process (an important landmark for CPR) |
| What bones make up the upper limb? | Humerus, radius, ulna, and the carpals |
| Name the bones of the hand | 14 Phalanges, 5 metacarpals, and 8 carpals |
| What are the 8 carpal bones? | Distally from thumb to pinky - trapezium, trapezoid, capitate, and hamate. Proximally from thumb to pinky - scaphoid, lunate, triquetrum, pisiform |
| What are the bones in the pelvic girdle? | The 2 large bones of the hip called the os coxae. Each os coxae is comprised of the ilium, ischium, and pubis fused together |
| What are the differences between the male and female pelvis? | The true pelvis is wide and shallow in females and narrow and deep in males. Also, females have a larger pelvic outlet and wider pubic arch than males. |
| What bones comprise the lower limb? | Femur, patella, tibia, fibula, and foot |
| Name the bones of the foot and ankle | Phalanges, metatarsals, tarsals, cuneiforms, talus, navicular, and calcaneous. |
| How many bones are in the adult skelton? | 206. 80 for the axial skeleton and 126 for the appendicular skeleton |
Created by:
cbooher16
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