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Unit 2 Chapter 8
The Skeletal System
| Question | Answer |
|---|---|
| The skull is part of the Blank______. | axial skeleton |
| How many bones are typically in the adult skeleton? | 206 |
| Match each anatomical bone marking with its description. Condyle | A rounded knob that articulates with another bone |
| Facet | A smooth, flat, articular surface |
| Head | The prominent expanded end of a bone, sometimes rounded |
| The cavity that encloses the brain is the Blank______ cavity. | cranial |
| The axial skeleton can be defined as which of the following? | The bones of the supporting central axis of the body |
| Why does the number of bones varies with age? | Many bones fuse together during development, resulting in fewer bones in the adult. |
| A rounded knob that articulates with another bones is called a Blank______. | condyle |
| The hyoid bone consists of a body, and two horn like projections called Blank______. | greater and lesser horns |
| The cranial cavity encloses which of the following? | Brain |
| Which term refers to the spaces located between unfused cranial bones during early development? Fontanelles Fistulas Furrows Fissures | Fontanelles |
| How many vertebrae usually are in the vertebral column of an adult? | 33 |
| The body of a vertebra is also called a(n) Blank______. | centrum |
| The bone in the neck that does not articulate with any other bone is the | hyoid bone |
| The four prominent fontanel | Sphenoid, Anterior, Mastoid, Posterior; |
| The four fontanels include: | the anterior (b/w the frontal n parietal bones), the posterior (b/w the parietal and occipital bones, the sphenoid or anterolateral (just superior to the sphenoid bone) n the mastoid or posterolateral (located b/w the temporal, parietal, occipital bones). |
| An intervertebral disc is made out of which type of cartilage? | Fibrocartilage |
| What are the components of the thoracic cage? | Ribs Thoracic vertebrae Sternum |
| The clavicle and scapula make up which of the following? Pelvic girdle True pelvic Pectoral girdle | Pectoral girdle |
| Within the vertebral column, a(n) ___________ disc is a pad consisting of an inner gelantinous nucleus surrounded by a ring of fibrocartilage. | Intervertebral |
| the bones that comprise the pelvic girdle.? | Coxal bones and the Sacrum; The pelvic girdle consists of three bones, the two coxal bones and the sacrum. The coccyx consists of 4-5 small vertebrae extending inferiorly from the sacrum. It is not classified as a component of the pelvic girdle. |
| The ribs help protect which of the following? Small intestine and heart Stomach and liver Stomach and spleen Lungs and heart | Lungs and heart |
| Thigh is also called a what | Femoral region |
| Leg is also called .. | Crural region |
| Ankle is also called | Tarsal region |
| Toes is also called .. | Digits |
| The bones that make up the pectoral girdle are the _________ and the scapula. | clavicle |
| The head of the humerus is covered with what? | Articular cartilage |
| The sacrum and two coxal bones make up what structure? | Pelvic gridle |
| Femoral region: | Contains the femur |
| Crural region: | Contains the tibia and fibula |
| Tarsal region: | Where the crural region and foot meet |
| Foot region | Contains the tarsals, metatarsals, and phalanges |
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