Upper Extremity Skeletal
How many joints are there in the elbow and forearm?
4
Which answer defines meatus.
A Canal-like passageway allowing blood vessels and nerves to pass.
Which answer defines sinus.
A cavity within a bone, filled with air and lined with mucous membrane.
Which answer defines groove.
A furrow in a bone allowing blood vessels and nerves to pass.
Which answer defines fissure.
A narrow, slitlike opening allowing blood vessels and nerves to pass.
Which answer defines foramen.
A round or oval opening through a bone allowing blood vessels and nerves to pass.
Which answer defines fossa.
A shallow, basinlike depression in a bone, often serving as an articular surface.
The articulation formed by the clavicle and the scapula is often referred to as the
AC joint
Which is a function of the vertebral column?
All of the above
Why are there calluses and notches in adult bones?
Areas that attach to highly used muscles and undergo more physical activity become more mineralized.
Which bone is part of the appendicular skeleton?
Clavicle
The skull is separated into 3 parts: the Calvaria, Face, and Neck.
False
Three joints at the proximal end of the forearm include all of the following EXCEPT:
Glenohumeral
Which of these is a Long bone?
Humerus
What type of skeletal cartilage is the most common, is flexible, resilient, and contains fine collagen fibers.
Hyaline cartilage
F is what part of the humerus?
Lesser Tubercle
What are the bones called in Orange labeled D?
Metacarpals
Which has the correct order of bone layers from superficial to deep?
Periosteum, Compact Bone, Spongy Bone, Bone Marrow
11 is what part of the scapula?
Spine of the Scapula
Which answer is NOT true?
The cranial bones are formed through endochondrial ossification.
Which of these is a short bone?
Triquetral bone
The coccyx is also known as the tailbone.
True
A epiphyseal fracture is described as _____?
a break at the growth plate and it tends to occur where cartilage cells are dying and calcification of the matrix is occuring.
A tuberosity is defined as _____.
a large, rounded projection which may be rough.
A crest is defined as _____.
a narrow ridge of bone that is usually prominent.
A spiral fracture is described as _____?
a ragged break and it occurs when excessive twisting forces are applied to a bone.
A epicondyle is defined as _____.
a raised area on or above a condyle.
A spine is defined as _____.
a sharp, slender, often pointed projection.
A trochanter is defined as _____.
a very large, blunt, irregularly shaped process on the Femur.
C is what part of the clavicle?
acromial end
15 is what part of the scapula?
acromion process
A is what part of the scapula?
acromion process
A process is defined as _____.
any bony prominence.
The Humeroscapular joint is what type of joint?
ball-and-socket joint
15 is pointing to what part of the Humerus?
capitulum
15 is what part of the humerus?
capitulum
The radial head rotates on what aspect of the humerus?
capitulum
The joints between the bones of the wrist and the bones of the hand are known as the _______________________ joints.
carpometacarpal
The shoulder girdle is made up of what two bones?
clavicle and scapula
The metacarpophalangeal joint is what type of joint?
condyloid joint
B is what part of the clavicle?
conoid tubercle
14 is what part of the scapula?
coracoid process
B is what part of the scapula?
coracoid process
J is what part of this bone?
coronoid process
In addition to elevation of the scapula, the levator scapulae muscle performs what other shoulder girdle action?
downward rotation
What joint does this describe: Trochlea of the humerus articulates with the olecranon process of ulna
elbow joint
C is what part of the scapula?
glenoid fossa
The intercarpal joint is what type of joint?
gliding joint
2 is what part of the humerus?
greater tubercle
B is what part of the humerus?
greater tubercle
M is what part of this bone?
head
6 is what part of the humerus?
head of the humerus
D is what part of the humerus?
head of the humerus
The Humeroulnar joint is what type of joint?
hinge joint
The olecranon fossa is found on the _______________________.
humerus
What causes Carpal Tunnel Syndrome
inflammation of the tendons under the carpal tunnel sheath
12 is what part of the scapula?
infraspinous fossa
17 is what part of the scapula?
lateral border of the scapula
Is this clavicle a right or left clavicle?
left clavicle
An osteocyte performs what function within the bone?
maintains bone tissue
6 is what part of the scapula?
medial border of the scapula
10 is pointing to what part of the Humerus?
medial epicondyle
10 is what part of the humerus?
medial epicondyle
What are the bones called in BLUE labeled B?
middle phalanges
Which is NOT a major function of the skeletal system?
nutrient transport
4 is pointing to what part of the Humerus?
olecranon fossa
4 is what part of the humerus?
olecranon fossa
K is what part of the ulna?
olecranon process
The movement of the thumb that allows grasping of objects is known as ______________________
opposition
The Intervertebral joint is what type of joint?
pivot joint
The radioulnar joint is what type of joint?
pivot joint
From the anatomical position, internal rotation of the forearm is called _______________________.
pronation
What are the bones called in Green labeled C?
proximal phalanges
The structures known as the supracondylar ridges are located where in anatomical rela- tion to the epicondyles?
proximal to the epicondyles
The olecranon process of the elbow joint is located on the posterior aspect of the
proximal ulna
An osteoclast performs what function within the bone?
reabsorbs bone releasing the Calcium and Phosphorus.
The carpometacarpal joint is what type of joint?
saddle joint
The most lateral carpal bone of the proximal carpal row is the ______________________
scaphoid
Which of the following carpal bones is also known as the navicular bone?
scaphoid
The inferior angle, the medial border, the lateral border, and the spine are all bony landmarks associated with which of the following bones?
scapula
The coracoid process of the scapula serves as the attachment for the conjoined tendon of the coracobrachialis muscle and what other muscle?
short head of the biceps
A is what part of the clavicle?
sternal end
O is what part of the ulna?
styloid process
P is what part of the radius?
styloid process
The lesser tuberosity of the humerus serves as the source of attachment for which of the following muscles?
subscapularis
I is what part of the scapula?
superior border
10 is what part of the scapula?
supraspinous fossa
C is what part of the humerus?
surgical neck of the humerus
A comminuted fracture is described as _____?
the bone fragmenting into three or more pieces.
A compression fracture is described as _____?
the bone is crushed and this fracture is common in more porous bones.
13 is pointing to what part of the Humerus?
trochlea
13 is what part of the humerus?
trochlea
The spool-like structure at the distal end of the humerus is known as the _____________________.
trochlea
L is what part of the ulna?
trochlear notch
An osteocyte is a mature bone cell.
true
Osteoclasts do their work during the resorption process.
true
When you pronate your arm the Ulna and Radius cross each other.
true
Which of these is a irregular bone?
vertebrae
D is what part of the scapula?
Lateral border of the scapula
F is what part of the scapula?
Medial border of the scapula
Which one of the following carpal bones is in the distal row of carpals?
hamate
9 is pointing to what part of the Humerus?
lateral epicondyle
Flexion of the wrist primarily occurs at the _______________________ joints.
radiocarpal
Which Carpal bone is the bone most commonly fractured?
scaphoid
H is what part of the scapula?
scapular notch
Which of these is a flat bone?
sternum
When the elbow joint is held in full extension, the olecranon process and the epicondyles form a _______________________.
straight line
The coronoid process of the elbow joint is located on the anterior aspect of the_____________________.
ulna
Movement of the scapula away from the midline of the body is defined as
upward rotation
Which bones make up the upper jaw?
Maxilla
Ligaments are _____.
fibrous bands that connect bones and cartilages
A line on a bone is defined as _____.
a narrow ridge of bone that is less prominent than a crest.
A tubercle is defined as _____.
a small, rounded projection or process.
An osteogenic cell performs what function within the bone?
acts as a stem cell
The adult skeletal system has about 150 bones.
false
The center of the bone shaft that is filled with yellow bone marrow is called the endosteum.
false
The hyoid bone is part of the appendicular skeleton.
false
An osteoblast performs what function within the bone?
forms the bony matrix
