A&P Ch 7 Part 4
The ____ is the area that houses the teeth. A) mandibular fossa B) alveolar process C) maxillary fossa D) mental fossa
B) alveolar process Each tooth is embedded within a bony cavity termed the dental alveolus in the region of the alveolar processes.
The first vertebra is called the _____. A) axis B) atlas C) cervical D) dens
B) atlas The atlas supports the occipital condyles of the head and the axis or second vertebrae is below the atlas.
The spinal nerves will exit from the ______ foramina. A) spinal B) intervertebral C) transverse D) vertebral
B) intervertebral The intervertebral foramen is formed by two consecutive vertebrae; they are openings for the 31 pairs of spinal nerves.
Inside the epiphyses of each long bone, mostly ______ can be found. A) compact bone B) spongy bone C) cartilage D) yellow marrow
B) spongy bone The epiphyses are filled with spongy bone and red marrow.
The _______ suture joins the temporal and parietal bones of the skull. A) lambdoid B) squamosal C) coronal D) sagittal
B) squamosal The temporal bone and parietal bone are separated by the squamosal suture.
The nasal septum is comprised of the perpendicular plate of the ethmoid and the _______. A) maxilla B) vomer C) nasal bone D) lacrimal bone
B) vomer The vomer is the flat bone which is the inferior surface of the nasal septum which is the partition between the halves of the nasal cavity.
Which is the largest of the tarsal bones? A) cuboid B) navicular C) calcaneus D) lateral cuneiform
C) calcaneus The heel or calcaneus is the largest ankle bone and the talus, which articulates with the tibia, is the next largest.
The membranes that surround the brain attached to the crista galli, found on the ______ bone of the skull. A) frontal B) parietal C) ethmoid D) sphenoid
C) ethmoid The crista galli is a part of the ethmoid.
The cells that tear down and remodel bone are the _______. A) osteoblasts B) osteocytes C) osteoclasts D) macrophages
C) osteoclasts Osteoclasts respond to PTH and dissolve bone matrix.
The ________ can be felt during a vaginal examination and be used for obstetric measurements. A) coccyx B) sacroiliac symphysis C) sacral promontory D) sacral hiatus
C) sacral promontory the sacral promontory is the anterior projection of the sacrum that may interfere with the delivery of a baby.
Two kinds of bones form the pectoral girdle: the clavicle and the _______. A) humerus B) ulna C) scapula D) sternum
C) scapula This half of the shoulder girdle is sometimes called the shoulder blade.
A lateral deviation of the alignment of the vertebral column is called a _______. A) kyphosis B) lordosis C) scoliosis D) slipped disk
C) scoliosis Lordosis is a deviation of the lumbar area while kyphosis is an exaggerated bend in the thoracic area. Scoliosis refers to lateral deviations.
The hard palate is made of the palatine and ______ bones. A) mandible B) ethmoid C) sphenoid D) maxilla
D) maxilla The palatine process of the maxilla is the main part of the hard palate joining the L-shaped bone called the palatine.
The outer covering of each bone, made from fibrous connective tissue, is called the _________. A) epiphysis B) diaphysis C) articular cartilage D) periosteum
D) periosteum Peri- refers to the outside.
Several layers of cells reside within epiphyseal disks of developing long bones. Which layer is responsible for anchoring the disk to the bony epiphysis? A) cells undergoing mitosis B) cells enlarging and becoming calcified C) dead cells with calcified intercellular substance D) resting cells
D) resting cells The resting cells are nearest the epiphysis.
What is the location of the pituitary gland? A) ethmoid sinuses B) parietal bone C) foramen magnum D) sella turcica
D) sella turcica The sella turcica is the depression and fossa of the sphenoid bone that surrounds and protects the pituitary gland.
The prominent portions of the cheeks are made up of the _______ bones. A) maxillary B) palatine C) lacrimal D) zygomatic
D) zygomatic The arch of the cheek is made up of the zygoma.
Which bone has the crista galli projection? A) ethmoid B) sphenoid C) frontal D) maxilla
A) ethmoid The crista galli is the process that will be attached to the meninges of the brain to serve as a support.
A soft spot in a newborn's skull is called a ________. A) fontanel B) fovea C) foramen D) fissure
A) fontanel There are 6 prominent fontanels in the newborn skull.
The __________ of a typical vertebrae projects posteriorly, and is thickest and most blunt in appearance in lumbar vertebrae. A) spinous process B) transverse process C) superior articulating process D) lamina
A) spinous process These processes can be felt up the middle of the back.