Skeletal System and Joints

The coracobrachialis is and example of what?

A muscle of the shoulder girdle

The pelvic bones articulate with the femur at the _______. a. Pubic symphasis b. Obturator foramen c. Acetabulum d. Sacrum

Acetabulum

Ball-and-socket joints allow for movement along _______. a. Two axes b. All axes c. Three axes d. One axis

All axes

Which motions are allowed by the wrist joint? a. Flexion b. Extension c. Circumduction d. All of these

All of these

The function of fontanelles is to: a. Tightly bind the cranial bones together b. Allows the cranium to expand c. Protect the brain d. Prevent motion of the cranial bones

Allows the cranium to expand

The ligament running down the surface of the vertebral bodies is called the _______ ligament. a. Posterior longitudinal' b. Supraspinous c. Anterior longitudinal d. Intertransverse

Anterior longitudinal

The function of osteoblasts is to: a. Synthesize bone matrix b. Maintain bone tissue structure c. Absorb nutrients d. Break down bone matrix

Break down bone matrix

The bone that makes up the majority of the heel is the: a. Talus b. Calcaneus c. Navicular d. Cuboid

Calcaneus

In the embryonic development of long bones, _______ secrete and form a shaft of _______. a. Osteoblast, articular cartilage b. Osteoclasts, compact bone c. Chondroblasts, hyaline cartilage d. Osteocytes, trabeculae

Chondroblasts, hyaline cartilage

Which of the following is not a bone of the axial skeleton? a. Occipital b. Vertebra c. Rib d. Clavicle

Clavicle

In the end of a broken bone pierces the skin, the fracture is considered a(n): a. Comminuated fracture b. Greenstick fracture c. Compound fracture d. Impacted fracture

Compound fracture

The male pelvis is _______ and _______ than the female pelvis. a. Deeper, narrower b. Wider, deeper c. Shallower, wider d. Narrower, shallower

Deeper, narrower

Osteoarthritis is caused primarily by: a. Degeneration of bone at the joint b. Excess bone at the joint c. Degeneration of articular cartilage d. Degeneration of ligaments

Degeneration of articular cartilage

The medullary cavity of a long bone is located inside the: a. Proximal epiphysis b. Diaphysis c. Distal epiphysis d. Articular cartilage

Diaphysis

Arches of the foot do all of the following except: a. Distribute stress b. Support body weight c. Absorb shock d. Facilitate eversion and inversion

Facilitate eversion and inversion

The carpal tunnel is bordered by the _______ and the _______. a. Flexor retinaculum, carpal bones b. Extensor retinaculum, carpal bones c. Carpal bones, flexor tendons d. Metacarpal bones, extensor tendons

Flexor retinaculum, carpal bones

Which foramen does the spinal cord pass through? a. Foramen magnum b. Foramen ovale c. Mental foramen d. Condyloid foramen

Foramen magnum

Carpal tunnel syndrome occurs when:

Inflammation of the synovial membranes surrounding the flexor tendons compress the median nerve

Which of the following is an example of a gliding joint? a. Intervertebral joint b. Elbow joint c. Temporomandibular joint d. Wrist joint

Intervertebral joint

Which of the following is true about the scapula? a. It articulates with the axial skeleton b. It is stabilized by muscles c. It forms part of the upper limb d. It trends not to be mobile

It is stabilized by muscles

The joint between each parietal bone and occipital bone is called the _______ suture. a. Lambdoid b. Sagittal c. Coronal d. Squamous

Lambdoid

Which describes the order of the auditory ossicles, from outer to inner? a. Incus, malleus, stapes b. Stapes, incus, malleus c. Malleus, incus, stapes d. Incuse, stapes, malleus

Malleus, incus, stapes

All joints in the skull are sutures, except for the joints between the: a. Sphenoid and temporal bones b. Occipital and parietal bones c. Maxillae and zygomatic bones d. Mandible and temporal bones

Mandible and temporal bones

All of the following bones are cranial bones except: a. Occipital b. Maxilla c. Sphenoid d. Temporal

Maxilla

Flat bones lack which of the following? a. Medullary cavity b. Spongy bone c. Periosteum d. Bone marrow

Medullary cavity

In a long bone, yellow bone marrow is found in the _______, and red bone marrow is found in the _______. a. Medullary cavity, spongy bone b. Compact bone, trabeculae c. Canaliculi, spongy bone d. Central canal, medullary cavity

Medullary cavity, spongy bone

Which of the following is not a tarsal bone? a. Calcaneus b. Cuboid c. Talus d. None; they are all tarsals

None; they are all tarsals

The cells that build up bone tissue are called: a. Osteoclasts b. Osteoblasts c. Chondroblasts d. Osteocytes

Osteoblasts

Which of the following structure elements are unique to compact bone? a. Lamellae b. Osteons c. Canaliculi d. Osteocytes

Osteons

The carpal bones articulate with all the following except: a. Ulna b. Radius c. Metacarpals d. Phalanges

Phalanges

The knuckles are created by the articulation between the _______ and the _______. a. Metacarpals, carpals b. Phalanges, metacarpals c. Phalanges, carpals d. Carpals, ulna

Phalanges, metacarpals

The joint between the axis and atlas that allows for rotation of the head is which kind of joint? a. Ball-and-socket b. Hinge c. Condyloid d. Pivot

Pivot

The purpose of articular cartilage is to: a. Connect articulation bones b. Prevent the contact of articulating bone surfaces c. Secrete synovial fluid d. Provide flexibility for growth

Prevent the contact of articulating bone surfaces

Long bones are adapted for all of the following except: a. Protecting internal organs b. Absorbing stress c. Supporting body weight d. Facilitating movement

Protecting internal organs

Osteoporosis results from a higher rate of bone _______ relative to _______. a. Reabsorpstion, deposition b. Depostion, reabsorption c. Growth, remodeling d. Fracturing, growth

Reabsorpstion, deposition

All of the following are long bones except: a. Humerus b. Rib c. Phalanges d. Fibula

Rib

The joint between the metacarpal bone of the thumb and the carpus is which type of joint? a. Saddle b. Hinge c. Ball-and-socket d. Condyloid

Saddle

The patella is an example of which bone type? a. Sesamoid b. Irregular c. Short d. Flat

Sesamoid

What is the primary role of the arches of the foot?

Shock absorption

The carpals of the wrist are examples of which bone? a. Irregular b. Sesamoid c. Short d. Flat

Short

Moving from deep to superficial, the layers covering bone marrow are: a. Compact bone, spongy bone, periosteum b. Spongy bone, compact bone, periosteum c. Periosteum, spongy bone, compact bone d. Spongy bone, periosteum, compact bone

Spongy bone, compact bone, periosteum

The distal joint between the tibia and fibula is an example of a: a. Syndesmosis b. Suture c. Synchrondosis d. Synovial joint

Syndesmosis

Which best describes a comminutated fracture? a. The broken bone pierces the skin b. The bone is crushed into three or more pieces c. The bone is partially fractured d. One end of the broken bone is driven into the other end

The bone is crushed into three or more pieces

Which of the following would not be considered a fibrous joint? a. The joint between the parietal bone and the occipital bone b. The joint between a tooth and the mandible c. The pubic symphasis d. The interosseous membrane of the leg

The pubic symphasis

Which of the following characteristics is unique to synovial joints? a. They are supported by ligaments b. They join long bones together c. They include cartilage d. They contain joint cavities

They contain joint cavities

Which of the following is not true about the formation of flat bones? a. They develop through endochondral ossification b. Osteoblasts secrete bone matrix c. Osteoblasts develop osteocytes and form trabeculae d. A layer of compact bone replaces the upper layers of spongy bone

They develop through endochondral ossification

The fibula articulates with which of the following? a. Tibia b. Femur c. Calcaneus d. a and b

Tibia

Ribs 1-7 are called _______ ribs because they articulate directly to the sternum

True ribs

Which is an example of an irregular bone? a. Vertebra b. Patella c. Scapula d. Metacarpal

Vertebra

Which of the following is not a flat bone? a. Rib b. Frontal bone c. Scapula d. Vertebra

Vertebra

Which of the following facial bones is unpaired? a. Maxilla b. Zygomatic c. Lacrimal d. Vomer

Vomer

Cervical vertebrae differ from other vertebrae is what way? a. They have bifid spinous processes b. They have transverse foramina c. They have large vertebral bodies d. a and b

a and b

The articular cartilage of a long bone covers the: a. Distal epiphysis b. Proximal epiphysis c. Diaphysis d. a and b

a and b

Which part of the spine includes the atlas and axis?

cervical spine

Place the following steps of bone repair in order: i. Formation of bony callus ii. Formation of a fibrocartilaginous callus iii: Blood clotting and formation of a fracture hematoma iv: Remodeling of bone at the site v. Removal of dead bone cells by osteoclasts a. ii, v, iii, i, iv b. v, ii, iii, iv, i c. iii, i, v, ii, iv d. iii, v, ii, i, iv

iii, v, ii, i, iv

Which cranial bone is supported by the vertebral column and articulates with the atlas in a way that allows for rotation of the head?

occipital bone

Which cranial bone is connected to all four major skull sutures?

parietal bones

The humerus does not articulate with:

the clavicle

What is the longest bone in the body?

the femur

What is the only movable bone in the skull?

the mandible