Chapter 8: The Skeletal System Appendicular Skeleton

Question 1

Pectoral Girdle

Answer 1

Contains: scapula and clavicle

Question 2

Clavicle

Answer 2

Or collar bone
Slender s shape
Lies horizontally across thorax

Question 3

Scapula

Answer 3

Or should blade
Large triangular shaped
Flat bone
Located between levels of 2nd and 7th rib

Question 4

Acromion

Answer 4

High point of shoulder

Question 5

Stop Letting Those People Touch The Cadavers Hand

Answer 5

Mnemonic for carpel bones
S-scaphoid: boartlike
L-lunate: moon shaped
T-triquetrum: three cornered
P-pisiform: pea shaped
T-trapezium: four sided no parallel
T-trapezoid: four sided with parallel
C-capitate: head shaped
H-hemate: hooked

Question 6

Pelvic Girdle

Answer 6

Two hip bones:
1. Pubic symphsis: hip bones unite at this joint
2. Bony Pelvis: deep basin like.

Question 7

Ilium

Answer 7

Largest of 3 components of hip bone

Question 8

Ischium

Answer 8

Posterior, Inferior portion of hip bone

Question 9

Pubis

Answer 9

Anterior and inferior part of hip bone

Question 10

Humerus

Answer 10

Arm bone
Longest and strongest bone of upper limb

Question 11

Ulna

Answer 11

Medial aspect of forearm
Longer than radius

Question 12

Radius

Answer 12

Small bone
Lateral aspect of forearm

Question 13

Carpals

Answer 13

Proximal region of hand
Consists of 8 bones joined to one another by ligaments

Question 14

Metacarpals

Answer 14

Palm bones i-v or 1-5
Consists of 5 bones

Question 15

Phalanges

Answer 15

Bones of digits I-v or 1-5
14 in 5 digits hand
(Thumb contains 2 phalanges)

Question 16

Pelvic Brim

Answer 16

Divide the pelvis into superior (false) and inferior (true) portions of pelvis.
Forms inlet to pelvic cavity

Question 17

False Pelvis

Answer 17

Superior portion, part of lower and.
Contains: urinary bladder when full, lower intestines, uterus, ovaries, uterine (female)

Question 18

True Pelvis

Answer 18

Inferior Portion
Is an inlet and outlet, surrounds pelvic cavity.
Contains: urinary bladder, rectum, vagina, cervix, prostate

Question 19

Pelvic Inlet

Answer 19

Superior openings

Question 20

Pelvic Outlet

Answer 20

Covered by muscles of pelvic floor

Question 21

Pelvic Axis

Answer 21

Imaginary line that curves through true pelvis.
Route take by baby during birth.

Question 22

Femur

Answer 22

Theigh bone
Longest, heaviest and strongest bone
Distal end articulates with tibia and patella

Question 23

Patella

Answer 23

Knee Cap
Small triangular bone
Located anteriorly to the knee joint

Question 24

Tibia

Answer 24

Shin bone
Weight bearing bone. Articulates proximal end with femur and fibula.
Lateral/medial Condyle articulates with Condyle of femur to form knee joint.

Question 25

Fibula

Answer 25

Smaller bones. Does not articulate with femur. Helps stabilize ankle joint.

Question 26

Tarsels

Answer 26

Make up the Tarsus Proximal region of foot Contains 7 bones

Question 27

Metatarsals

Answer 27

Intermediate region of foot 5 bones

Question 28

Phalanges of Foot

Answer 28

Distal end of foot 5 bones Great toe has 2 large heavy phalanges

Question 29

Longitudinal Arch

Answer 29

2 parts Consists of tarsels and metatarsals to form arch

Question 30

Transverse arch

Answer 30

Found between medical and lateral aspect of foot

Question 31

Greater tubercle of humerus

Answer 31

Lateral projection distal to neck Palpable bony landmark of shoulder

Question 32

Lesser Tubercle of Humerus

Answer 32

Projects anteriorly

Question 33

Deltoid Tuberosity of Humerus

Answer 33

Middle portion of shaft, rough V shaped. Serves as point of attachment for tendons of deltoid muscle

Question 34

Trochlea of Humerus

Answer 34

Spool shaped surface Articulates with trochlear notch of ulna.

Question 35

Female Pelvis

Answer 35

Longer and more oval/rounded in shape

Question 36

Male Pelvis

Answer 36

Heart shaped

Question 37

Pubic Symphsis

Answer 37

Hip bones unite anteriorly at this joint. Consists of disc of fibrocartilage.

Question 38

Bony Pelvis

Answer 38

Deep basing like structure. Formed by: hip bones, pubic symphysis, sacrum,coccyx

Question 39

Acetabulum

Answer 39

Deep fossa formed by ilium, ischium and pubis. Sockets that accepts the head of femur.

Question 40

Talus

Answer 40

Ankle bone

Question 41

Calcaneus

Answer 41

Heel