(Lab quiz) Exercise 10: The Appendicular skeleton

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deep socket in the hip bone that receives the head of the thigh bone

acetabulum

lateral end of the spine of the scapula; clavicle articulation site

acromion

The arm consists of one long bone, the: a. femur b. humerus c. tibia d. ulna

b. humerus

largest tarsal bone

calcaneus

lateral rounded knob on the distal humerus

capitulum

The _____________________ are the wrist bones.

carpals

a roughened area on the lateral humerus: deltoid attachment site

deltoid tuberosity

longest, strongest bone in body

femur

the fovea capitis is part of the...

femur

the greater trochanter is part of the...

femur

the intercondylar fossa is part of the...

femur

the lesser trochanter is part of the...

femur

the medial and later condyles are part of the...

femur

the patellar surface is part of the...

femur

the lateral malleolus is part of the...

fibula

thin, lateral leg bone

fibula

The greater tubercle is part of the...

humerus

the capitulum is part of the...

humerus

the deltoid tuberosity is part of the...

humerus

the lesser tubercle is part of the...

humerus

the olecranon fossa is part of the...

humerus

the trochlea is part of the...

humerus

The upper limb is formed by the arm bone, the _____________________________, and the two bones of the forearm, the _____________________________ and _____________________________.

humerus, radius, and ulna

superiormost margin of the hip bone

iliac crest

fuse to form the hip bone

ilium, ischium, pubis

rough projection that supports body weight when sitting

ischial tuberosity

lateral ankle projection

lateral malleolus

notch located inferior to the ischial spine

lesser sciatic notch

small bump on the humerus, often called the "funny bone"

medial epicondyle

medial ankle projection

medial malleolus

The _____________________ form the palm of the hand, and the heads of these bones form the knuckles.

metacarpals

bones forming the instep of the foot

metatarsals

posterior depression on the distal humerus

olecranon fossa

obturator foramen

opening in hip bone formed by the pubic and ischial rami

The _________________, or "knee cap," is a sesamoid bone that is found within the quadriceps tendon.

patella

kneecap

patella

Circle the correct underlined term. The pectoral / pelvic girdle attaches the upper limb to the axial skeleton.

pectoral

A single finger bone is called a _______________. Each hand has _______________ finger bones, called _______________.

phalanx, 17, phalanges

point where the hip bones join anteriorly

pubic symphysis

surface on the ulna that receives the head of the radius

radial notch

the head is part of the...

radius

the radial styloid process is part of the...

radius

the radial tuberosity is part of the...

radius

joint between axial skeleton and pelvic girdle

sacroiliac joint

tarsal bone that "sits" on the calcaneus

talus

tarsal bone that articulates with the tibia

talus

ankle bones

tarsals

Your X-ray exam reveals that you have fractured your fibula. Your physician remarks, "Well, it's better than breaking your tibia." Explain why a fracture of the tibia would be worse than a fracture of the fibula.

the fibula provides lateral support and stability for the fibula but it does not play a large role in weight bearing, as does the tibia

Ischium

the lower, posterior portions of the pelvis

Name the two bone markings that form the proximal radioulnar joint.

the radial head of the radius and the radial notch on the ulna

medial condyle of the humerus that articulates with the ulna

trochlea

Pectoral:

-flexibility most important -lightweight -insecure axial and limb attachments

Pelvic:

-massive -secure axial and limb attachments -weight-bearing most important

opening in hip bone formed by the pubic and ischial rami

-obturator foramen -gluteal tuberosity

Describe some of the features of the female pelvis that provide for compatibility with vaginal birth.

-the female pelvis is titled forward, adopted for childbearing -the cavity of the true pelvis is broad, shallow, and has a greater capacity to allow for the passage of the child through the pelvic outlet

Each foot has a total of _________________ bones.

26

Illium

A broad, flared bone that makes up the upper and lateral sections of the pelvis.

the pubis

The medial anterior portion of the pelvis

The strongest, heaviest bone of the body is in the thigh. It is the a. femur b. fibula c. tibia

a. femur

The bones that form the pectoral girdle are the

clavicle and scapula

hooklike process; biceps brachii attachment site

coracoid process

anterior depression, superior to the trochlea, that receives part of the ulna when bending at the elbow

coronoid fossa

depression in the scapula that articulates with the humerus

glenoid cavity

permits passage of the sciatic nerve

greater sciatic notch

acetabulum

hip socket

Name the two bone markings that form the distal radioulnar joint.

the ulnar head of the ulna and the ulnar notch on the radius

The lateral condyle is part of the...

tibia

shinbone

tibia

the medial condyle is part of the...

tibia

the medial malleolus is part of the...

tibia

weight-bearing bone of the leg

tibia

point where the patellar ligament attaches

tibial tuberosity

the olecranon is part of the...

ulna

the trochlear notch is part of the...

ulna

the ulnar styloid process is part of the...

ulna

surface on the radius that receives the head of the ulna

ulnar notch


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