Appendicular Skeleton

Question 1

deltoid tuberosity

Answer 1

raised area on lateral surface of humerus to which deltoid muscle attaches

Question 2

humerus

Answer 2

arm bone

Question 3

clavicle, scapula

Answer 3

bones of the shoulder girdle

Question 4

ulna, radius

Answer 4

forearm bones

Question 5

acromion

Answer 5

scapular region to which the clavicle connects

Question 6

scapula

Answer 6

shoulder girdle bone that is unattached to the axial skeleton

Question 7

clavicle

Answer 7

shoulder girdle bone that articulates with and transmits forces to the bony thorax
collarbone

Question 8

glenoid cavity

Answer 8

depression in the scapula that articulates with the humerus

Question 9

coracoid process

Answer 9

process above the glenoid cavity that permits muscle attachment

Question 10

trochlea

Answer 10

distal condyle of the humerus that articulated with the ulna

Question 11

ulna

Answer 11

medial bone of forearm in the anatomical position

forearm bone involved in formation of elbow joint

Question 12

capitulum

Answer 12

rounded knob on the humerus; articulates with the radius

Question 13

coronoid fossa

Answer 13

anterior depression, superior to the trochlea, that receives part of the ulna when the forearm is flexed

Question 14

carpals

Answer 14

wrist bones

Question 15

phalanges

Answer 15

finger bones

Question 16

metacarpals

Answer 16

heads of these bones form the knuckles

Question 17

scapula, sternum

Answer 17

bone that articulates with the clavicle

Question 18

ilium, ischium, and oubis

Answer 18

fuse to form coxal bone

Question 19

ischium

Answer 19

“sit-down” bone of the coxal bone

Question 20

pubic symphysis

Answer 20

point where the coxal bones join anteriorly

Question 21

iliac crest

Answer 21

superiormost margin of the coxal bone

Question 22

acetabulum

Answer 22

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

Question 23

sacroiliac joint

Answer 23

joint between the axial skeleton and pelvic girdle

Question 24

femur

Answer 24

longest, strongest bone in the body

Question 25

fibula

Answer 25

thin, lateral leg bone

Question 26

tibia

Answer 26

heavy, medial leg bone
shinbone
weight- bearing bone of the leg

Question 27

femur, tibia

Answer 27

bones forming lnee joint

Question 28

tibial tuberosity

Answer 28

point where the patellar ligament attaches

Question 29

patella

Answer 29

kneecap

Question 30

medial malleolus

Answer 30

medial ankle projection

Question 31

lateral malleolus

Answer 31

lateral ankle projection

Question 32

talus, calcaneus

Answer 32

the two largest tarsal bones

Question 33

tarsal

Answer 33

ankle bones

Question 34

metatarsals

Answer 34

bones forming the instep of the foot

Question 35

obturator foramen

Answer 35

opening in hip bone formed by the pubic and ischial rami

Question 36

gluteal tuberosity, greater/ lesser trochanter

Answer 36

sites of muscle attachment on the proximal femur

Question 37

talus

Answer 37

tarsal bone that “sits” on the calcaneus

tarsal bone that articulates with the tibia

Question 38

Why is there generally no problem for the arm to clear the widest dimension of the thoracic cage?

Answer 38

clavicle serves as a brace to hold the arm away from the top of the thorax

Question 39

How many phalanges in the hand?

Answer 39

14

Question 40

Total carpals in the wrist?

Answer 40

8

Question 41

Compare pectoral and pelvic girdles in terms of flexibility (range of motion) allowed, security, and ability to bear weight.

Answer 41

Flexibility: pectoral- more flexible
Security: Pelvic- more secure
Weight-bearing ability: pelvic- able to bear weight

Question 42

What organs are protected, at least in part, by the pelvic girdle?

Answer 42

Reproductive organs, urinary bladder, and part of the large intestine

Question 43

Distinguish between the true pelvis and false pelvis.

Answer 43

False pelvis- superior; supports abdominal viscera

True pelvis- inferior; limits delivery of baby

Question 44

Why is the clavicle at risk to fracture when a person falls on his or her shoulder?

Answer 44

It is a slender bone.