Appendicular Skeleton

Question 0

What is the function of the appendicular system?

Answer 0

Attach limbs to the axial skeleton

Question 1

What is the appendicular system made of?

Answer 1

Bones of the upper and lower limbs

Includes girdles of bones

Question 2

What is the pectoral girdle composed of?

Answer 2

Anterior clavicles (2)

Posterior scapulae (2)

Question 3

Where is the clavicle?

Answer 3

Lying across the superior thorax

Question 4

What does the clavicle look like?

Answer 4

Long, slender, S shape

Question 5

How many bones does each upper limb contain?

Answer 5

30

Question 6

An arm contains what bones and how many?

Answer 6

1 humerus
1 radius
1ulna
8 carpal
5 metacarpals
And 14 phalanxs

Question 7

What does the humerus articulate with?

Answer 7

Glenoid cavity of scapula

Radius and ulna at he elbow

Question 8

What is the difference between anatomical and surgical neck of the humerus?

Answer 8

The anatomic neck is a groove between tubercles

Surgical neck is a narrowing below the tubercles

Question 9

What features on the humerus articulates with the radius and ulna

Answer 9

Capitullum

Trochlea

Question 10

How does the ulna articulate with the humerus when extended and flexed

Answer 10

Forearm extended olecrannon process enters the olecrannon fossa
Forearm flexed coronoid process enters coronoid fossa

Question 11

How does the radius articulate with ulna and humerus

Answer 11

Disc shaped head articulates with the capitullum of humerus and the radial notch of ulna

Question 12

How are radius and ulna positioned when the forearm is supinated?

Answer 12

Radius and ulna are parallel in anatomical position

Question 13

Explain position of ulna and radius when forearm is pronated

Answer 13

Radius and ulna pivot along interosseous membrane, Palm of hand facing posterior

Head of radius is still on lateral side but distal end crosses over

Question 14

What are the 8 carpals

Answer 14

Hamate
Capitate
Trapezoid
Trapezium
Pisiform
Triquitrum
Lunate
Scaphoid

Question 15

What is the pelvic girdle composed of

Answer 15

Left and right ossa coxae

Question 16

What are the 2’function of the pelvic girdle

Answer 16

Attaches the lower limbs to the axial skeleton

Transits weight of the upper body to the lower limbs

Question 17

Name the three bones that make ossa coxae

Answer 17

Ilium, ischium, pubis

Question 18

Describe where ossa coxae articulate with femur

Answer 18

At acetabulum

Question 19

Describe where ossa coxae articulate with sacrum

Answer 19

Sacroiliac joint

Question 20

True pelvis

Where

Function

Answer 20

Portion inferior to the pelvic brim

Forms a deep bowl containing pelvic organs

Question 21

False pelvis

Where

Answer 21

Portion superior to pelvic brim

Bound to the ilia and lumbar vertebrae

Question 22

Pelvic inlet

Answer 22

Boundary between true and false pelvis enclosed by pelvic brim

Question 23

Pelvic outlet

What?
Bound by?

Answer 23

Inferiorly placed opening

Bounded by coccus, Sichuan tuberousitys, and inferior border of symphysial surface

Question 24

What is the bony landmark that separates the true and false pelvis

Answer 24

Pelvic brim

Question 25

What is the difference between male and female pelvis in general width

Answer 25

Female wider

Question 26

What is the difference between male and female pelvis for pelvic inlet

Answer 26

Female = wider, oval shape

Male= narrow, heart shape

Question 27

What is the difference between male and female pelvis for subpubic angle

Answer 27

Female=broader, more rounded

Male= acute angle

Question 28

What is the difference between male and female pelvis for sacrum

Answer 28

Female= wider and shorter

Question 29

What is the difference between male and female pelvis for ischial spine

Answer 29

Larger and more prominent in males

Question 30

Each lower limb contains how many bones?

Answer 30

30 bones

Question 31

How many bones in the ankle?

Answer 31

7 tarsal

Question 32

What bones form the arch of foot

Answer 32

Metatarsal

Question 33

Location and function of patella

Answer 33

Knee cap

Protects the knee joint

Question 34

What is the primary function of of tibia

Answer 34

Support body weight

Question 35

What is the function of fibula

Answer 35

Attaches muscles of feet and toes

Question 36

How do tibia and fibula articulate

Answer 36

Articulate via the immovable tibiofibular joints

Question 37

What are the names of the 7 tarsal bones

Answer 37

Talus
Calcaneus
Cuboid
Navicular
Medial cuneiform
Intermediate cuneiform
Lateral cuneiform

Question 38

What are the three arches of the foot

Answer 38

Medial longitudinal arch

Lateral longitudinal arch

Transverse arch