Skeletal System Ch. 8 Smart Book EC

An intervertebral disc is made out of which type of cartilage?

fibrocartilage

What is the smooth concave part of the pelvis that is covered by the iliacus muscle?

fossa

The _________ cavity is a shallow socket of the scapula that articulates with the head of the humerus.

glenoid

Name the part of the scapula identified in the figure.

glenoid cavity

The indentation indicated in the image is the ______ notch.

greater sciatic

The enlarged area of the humerus that articulates with glenoid cavity is the _______ of the humerus

head

The proximal end of the fibula is the ______.

head

Which part of the femur articulates with the acetabulum of the os coxae?

head

Which term refers to the enlarged area of the humerus indicated in the figure?

head

The upper margin of the hip bone indicated in the figure is the _____ crest

iliac crest

The depression indicated in the figure is the _____ fossa

iliac fossa

A rib articulates with the ______ of the upper vertebra and the superior costal facet of the vertebra below that.

inferior costal facet

The structure indicated in the figure is the ____ membrane

interosseous

Within the vertebral column, a(n)__________ disc is a pad consisting of an inner gelantinous nucleus surrounded by a ring of fibrocartilage.

intervertebral

The opening indicated in the figure is the _________ foramen

obturator foramen

The bone indicated on the figure is the ______

patella

Which of following is a true statement and explains why the number of bones varies with age?

Many bones fuse together during development, resulting in fewer bones in the adult.

Which of the following terms refers to the two smooth, rounded surfaces at the distal end of the femur which help form the joint of the knee?

Medial and lateral condyles

Which feature is unique to the thoracic vertebrae?

Costal facets

Identify the structure indicated in the figure.

Head of the radius

The ribs help protect which of the following?

Lungs and spleen

Most ribs insert between two vertebrae. Where does the rib articulate with the lower of the two vertebrae?

Superior costal facet

There are _____ pairs of ribs in the human body.

12

How many bones does the skeleton typically contain at birth?

270: Reason: There are 206 bones in the adult skeleton. Fusion of several bones from birth result in this lower number.

What is the typical number of lumbar vertebrae?

5

Transverse foramina are only found in ______.

cervical vertebrae

The bones that make up the pectoral girdle are the ____________ and the scapula.

clavicle

What is the slightly S-shaped bone that braces the shoulder?

clavicle

the _______facets are unique to the thoracic vertebrae.

costal

The head of the femur articulates with which part of the os coxa?

Acetabulum

Identify the joint indicated in the figure.

Acromioclavicular joint

Lumbar vertebrae have which of the following?

Articular processes

Match the segment of the upper limb with its description.

Brachium: Contains the humerus Antebrachium: contains the radius and the ulna Carpus: contains the wrist bones Manus: Contains the metacarpals and phalanges

Identify the rounded lateral condyle indicated in the figure.

Capitulum

Which bone connects the sternum to the scapula and transfers force from the arm to the axial region of the body?

Clavicle

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

Which term refers to the smooth joint surfaces on the tibia that articulate with the femur?

Condyles

Match the segment of the lower limb with its description.

Femoral region; Contains the femur Crural region; Contains the tibia and fibula Tarsal region; Where the crural region and foot meet Pedal region; Contains the tarsals, metatarsals, and phalanges

Which bone provides lateral support to the ankle joint?

Fibula

Which term refers to a prominent expanded end of a bone that is sometimes rounded?

Head

When you rest your elbow on a table, which bony part of the ulna is on the table?

Olecranon

Name the smooth depression on the anterior distal aspect of the femur that articulates with the patella.

Patellar surface

Which of the following separates the greater pelvis from the lesser pelvis?

Pelvic brim

Name the structure comprised of the two coxal bones and the sacrum.

Pelvic girdle

Which three bones make up the hip?

Pubic Ischium Ilium

What is the fibrocartilage structure found anteriorly between the hip bones?

Pubic symphysis

What are the components of the thoracic cage?

Ribs Thoracic vertebrae Sternum

The articular surface indicated in the figure is the superior articular

facet

The axial skeleton can be defined as which of the following?

The bones of the supporting central axis of the body

the ______ is a very small triangular bone at the end of the vertebral column. It is made up of four or five small fused vertebrae.

coccyx

Match the segment of the lower limb with its synonym.

Thigh region; femural Leg region; crural Ankle Region; tarsal Foot Region; pedal

Name the bony bump on the anterior surface of the tibia below the knee.

Tibial tuberosity

Which foramen provides passage for the vertebral arteries?

Transverse foramen

Which condyle on the humerus articulates with the ulna?

Trochlea

The medial and lateral _______ of the tibia articulate with the femur.

condyles

The depression indicated in the figure is the _____________

acetabulum

The ________ neck is a groove that borders the smooth, cartilage-covered head of the humerus.

antomical

The first cervical vertebra is called the ______.

atlas

The specific name of the vertebra shown in the figure is the

atlas

The skull, vertebral column, and rib cage comprise the _______ skeleton

axial

Identify the bone shown in the figure.

axis

The specific vertebra shown in the figure is the _________.

axis

Which of the following is the weight bearing portion of the vertebra?

body

The group of bones that form the wrist are the ____ bones

carpal

The structure indicated in the figure is the ____ of the radius

neck

The rough spot on the lateral shaft of the humerus that serves as an attachment for the shoulder muscle is the _____ tuberosity

deltoid

The bony bump indicated in the figure is the ______.

deltoid tuberosity

Identify the prominent bony process on the anterosuperior side of the axis indicated by the arrow in the figure.

dens

The styloid process is located at the ______ end of the ulna.

distal

The lateral and medial ______ are small processes on the humerus, proximal to the trochlea and capitulum.

epicondyle

Name the small processes on the humerus that are located proximal to the trochlea and capitulum.

epicondyles

The large process indicated in the figure is the _____- malleolus

lateral malleolus

The bony process indicated in the figure is the _______ tubercule

lesser

The inferior, narrower portion of the pelvis is considered the _________ pelvis, which also called the "true pelvis".

lesser

The widest points of the femur at the knee are the medial and lateral

medial and lateral epicondyles

The large process indicated in the figure is called the ________ malleolus

medial malleolus

The three bones that make up the coxal bone are the ilium, ischium, and ______

pubis

The ______ notch at the proximal end of the ulna accommodates the head of the radius.

radial

The _______ notch at the proximal end of the ulna accommodates the head of the radius.

radial

The lateral bone of the forearm is the ______.

radius

The spinous processes of thoracic vertebrae are ______.

relatively pointed and angled sharply downward

The bone indicated on the figure as "A" is the __________.

sacrum

Which bone is indicated by the arrow?

scapula

The indentation indicated in the figure is the greater ____ notch

sciatic

The entire region of the axial skeleton indicated by the arrows on the figure is the ________ column

spinal

Name the bony ridge indicated by the black arrow in the figure.

spine of the scapula

The joint between the sternum and the clavicle is the ___________ joint.

sternoclavicular

The bone indicated by the arrow on the figure is the

sternum

Name the area of the humerus indicated by the letter A in the figure.

surgical neck

Which term refers to the narrow region of the radius between the head and the radial tuberosity?

the neck

Name the group of bones circled on the figure.

the tarsals

The weight-bearing bone of the lower leg is the

tibia

The bony bump indicated in the figure is called the tibial _______

tibial tuberosity

Identify the articular surface indicated on the figure.

transverse costal facet

The greater and lesser _______ of the femur are two large, rough processes that provide attachments for the hip muscles.

trochanter

The articular condyle indicated in the figure is the

trochelea

The bony process indicated in the figure is the radial ______

tuberosity

The dens projects into the ______.

vertebral foramen of the atlas

The carpal bones form which of the following?

wrist