chapter 7 a&p quizlet

The sella turcica is part of the ________ bone and houses the ________ gland.

sphenoid; pituitary

The feature at letter C articulates with which bone?

scapula The head of the humerus articulates with the scapula at the glenoid cavity.

A fracture of which structure is commonly referred to as "breaking your hip"?

the neck of the femur The neck of the femur is at risk because of the large percentage of spongy bone in the neck.

The "true wrist" or carpus consists of ________.

a group of eight short bones united by ligaments

How many lumbar vertebrae are there in a typical adult skeleton?

5 A typical adult skeleton has 5 lumbar vertebrae, 12 thoracic vertebrae, and 7 cervical vertebrae.

Identify the group of bones known as the phalanges.

A Both the hand and the foot contain 14 phalangeal bones that form the fingers and the toes.

Which letter represents the cervical curvature?

A The cervical curvature includes the first seven vertebrae and is posteriorly concave.

Dysplasia of the hip may occur due to congenital malformation of the __________.

acetabulum Congenital hip dysplasia is associated with a shallow or incompletely formed acetabulum and laxity of the hip joint capsule.

Which of these important processes is found on the highlighted bone?

coronoid process This process, located anterior to the condylar process across the mandibular notch, is the insertion for the temporalis muscle, which is important in moving the jaw and chewing.

Which of the following is a bone marking of the humerus?

deltoid tuberosity The deltoid tuberosity is a marking of the humerus. It is a roughened site where attachment to the deltoid muscle of the shoulder occurs.

The superior nasal concha is a part of which bone?

ethmoid

Name the foramen at letter C.

foramen magnum The foramen magnum ("great hole") is the largest foramen in the skull and provides passage for the spinal cord.

The __________ is the only bone in the body that does not directly articulate with any other bone.

hyoid bone The hyoid bone does not articulate directly with any other bone. Instead, it is anchored by the stylohyoid ligaments to the styloid process of the temporal bones.

Which vertebrae would you expect to have the largest body, relative to the other regions?

lumbar The lumbar vertebrae have the largest bodies.

Name the highlighted bone(s).

mandible, or mandibular bone This bone forms the lower jaw and contains half of your teeth.

What portion of the sternum is identified by the letter A?

manubrium The manubrium is the superior portion of the sternum.

A cleft palate arises when the right and left _____________ bones fail to fuse medially during fetal development.

maxillae The palatine processes of the maxillae form the anterior two-thirds of the hard palate.

Which is the largest, longest, and strongest bone in the body?

the femur The femur is the largest, longest, and strongest bone in the body. Its durable structure reflects the stress exerted on the femur as it bears the weight of the body when standing, walking, or running.

The sphenoid bone is sometimes referred to as a "key stone" of the skull. This is due to the fact that ________.

the sphenoid is in the center of the skull and it articulates (joins) with all of the other bones of the skull (excluding the mandible)

Which of the bones of the skull would you also refer to as a cheekbone?

the zygomatic bone

What part of this vertebra is indicated by the letter B?

transverse process Two transverse processes project laterally from each vertebral arch.

In the anatomical position, the lateral forearm bone is the radius.

true

Name the bone feature identified by the letter D.

vertebral foramen The vertebral foramen, framed by the vertebral arch and the body, allows passage of the spinal cord.

Which of the following is the only bone that normally moves in relation to the others?

D The bone at D forms a joint with the temporal bone (temporomandibular joint) that allows the mouth to open, close, and move laterally.

What part of this bone articulates with the ulna?

D The feature at D forms the primary contact with the ulna in the elbow joint. Processes from the ulna enter the olecranon and coronoid fossae during elbow flexion and extension.