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A&P Module 4: Part 2
| Question | Answer |
|---|---|
| What describes the mandible? | It is attached to the cranium and it is a movable bone |
| What is the function of the cranium? | To protect the brain |
| What is the term for air-filled cavities within the skull bone that reduce the weight of the skull and affect the sound of the voice? | Paranasal sinuses |
| What are the four paranasal sinuses? | Frontal, sphenoidal, maxillary, and ethmoidal |
| What is a bone that is part of the cranium? | Parietal |
| What are the orbits of the eyes formed by? | Several facial and cranial bones |
| What are the 8 bones of the cranium? | Frontal, 2 temporal, 2 parietal, ethmoid, sphenoid, and occipital |
| The anterior portion of the skull which includes the forehead is formed by what? | Frontal |
| How many bones make up the facial skeleton? | 14 |
| What are the bones that form part of the roof and side of the cranium? | Parietal |
| What suture is located between the two parietal bones? | Sagittal |
| What suture is located between the frontal and parietal bones? | Coronal |
| The back of the skull and the base of the cranium are formed by what bone? | Occipital |
| What is the large opening at the base of the skull through which the brain stem connects to the spinal cord called? | Foramen magnum |
| What suture is located between the temporal bone and the parietal bone? | Squamous |
| What bone forms part of the sides and the base of the cranium? | Temporal |
| What bone contains the foramen magnum? | Occipital |
| Each mastoid process is located on what bone? | Temporal |
| What does the mastoid process provide attachment for? | Neck muscles |
| What does the styloid process provide attachment for? | Muscles associated with the tongue and pharynx |
| What bone forms the side of the skull around the ears? | Temporal |
| What describes the sphenoid bone? | It consists of a central part and has two wing-like structures |
| What is the name of the prominent bulge located posterior and inferior to the external meatus? | Mastoid process |
| What are the two bony projections under the ear? | The rounded mastoid process and the pointed styloid process |
| Which bone contains the sella turcica? | Sphenoid bone |
| What bone is located in front of the sphenoid bone and contains two masses connected horizontally by thin plates? | Ethmoid bone |
| What bone are the cribiform plates found in? | Ethmoid bone |
| What is the role of the superior and middle nasal conchae? | They support mucous membranes that filter and warm air |
| What is the function of the facial skeleton? | It provides attachments for muscles that move the jaw |
| What two bones is the upper jaw formed by? | Maxillae |
| What part of the ethmoid bone contains openings (olfactory foramina) that allow the passage of nerves associated with the sense of smell? | Cribiform plates |
| What locations are formed partly by the maxillary bones? | The anterior roof of the mouth and the floor of the orbits |
| How many immovable bones does the face have? | 13 |
| How many movable bones does the face have? | 1 |
| What are the two L shaped bones in the face called? Located behind the maxillae | Palatine bones |
| What bone forms the bony prominence of the cheek? | Zygomatic bone |
| What bone is long, thin, rectangular, and forms the bridge of the nose? | The nasal bone |
| Which bone is found along the midline of the nasal cavity? | Vomer |
| What bone joins the perpendicular plate of the ethmoid bone to form the nasal septum? | Vomer |
| What is the scroll-like bone that extends into the nasal cavity from the lateral wall? | Inferior nasal conchae |
| The zygomatic, palatine, and lacrimal bones are all part of what? | Facial skeleton |
| What is a fontanel? | A soft spot between cranial bones during development |
| What column extends from the skull to the pelvis and encloses and protects the spinal cord? | Vertebral column |
| What are three facial bones? | Zygomatic, maxilla, mandible |
| The neck is composed of how many vertebrae? | 7 cervical |
| The thoracic region of the vertebral column contains how many thoracic vertebrae? | 12 |
| What part of the vertebrae contains the thick drum-shaped anterior portion of the bone? | Body |
| How many lumbar vertebrae are present in the human body? | 5 |
| How many bones fuse to form the sacrum? | 5 |
| What part of the skeleton is typically composed of four bones that fuse around the age of 25? | Coccyx |
| What are the functions of the thoracic cage? | It supports the upper limbs, assists in breathing, protects the heart |
| The human body has how many ribs? With one on the left and one on the right of each thoracic vertebra | 24 |
| What is the anatomical name for the breastbone? | Sternum |
| How many pairs of ribs does the thoracic cage have? | 12 |
| What forms the anterior portions of the thoracic cage? | Sternum |
Created by:
dani_simon