The Bones & Joints

Question 1

What are the three types of joints?

Answer 1

synarthrotic, amphiarthrotic, diarthrotic (synovial)

Question 2

What are synarthrotic joints?

Answer 2

immovable joints, the junctions are called sutures

Question 3

What is an example of a synarthrotic joint?

Answer 3

the skull (coronal, lambdoid, squamous)

Question 4

What are amphiarthrotic joints?

Answer 4

slightly moveable joints

Question 5

What is an example of a amphiarthrtoic joint.

Answer 5

the vertebre

Question 6

What are diarthrotic joints?

Answer 6

freely moveable joints

Question 7

What are the 4 types of diathrotic joints?

Answer 7

ball & socket, hinge, pivot, saddle

Question 8

What are examples of ball & socket joints?

Answer 8

1. humerus bone in socket of pectoral girdle (shoulder joint)
2. femur bone in socket of pelvic girdle (hip joints)

Question 9

What are examples of hinge joints?

Answer 9

1. interphalangeal joints b/w phalanges of fingers & toes
2. b/w the humerus of upper arm & ulna and radius of forearm (elbow)
3. b/w the tibia and fibula in lower leg & talus bone in foot (ankle)

Question 10

Where are hinge joints located?

Answer 10

b/w two ore more bones where the bones can only move along one axis to flex or extend

Question 11

What is an example of a pivot joint?

Answer 11

the base of the skull, the joint connects the first vertebre (atlas, C1) of the spine to the second (axis, C2), allows side to side rotation of the head

Question 12

What are examples of saddle joints?

Answer 12

1. the carpometacarpal joint of the thumb
2. the calcaneocuboid joint of heel

Question 13

Where is the frontal bone located?

Answer 13

anterior portion (forehead)

Question 14

Where is the parietal bone located?

Answer 14

on each side of the top of the skull

Question 15

Where is the temporal bone located?

Answer 15

side, above ear

Question 16

Where is the occipital bone located?

Answer 16

forms the back of the skill

Question 17

Where is the sphenoid bone located?

Answer 17

base of the cranium, partly visible in eye socket

Question 18

Where is the ethmoid bone located?

Answer 18

nasal cavity, visible in eye socket

Question 19

Where is the maxilla bone located?

Answer 19

forms upper jaws

Question 20

Where is the mandible bone located?

Answer 20

lower jaws, only moveable bone of the skull

Question 21

Where is the zygomatic bone located?

Answer 21

cheek bones

Question 22

What is a suture?

Answer 22

connection points b/w skull bones (synarthrotic joints)

Question 23

Where is the coronal suture?

Answer 23

b/w frontal and parietal bones

Question 24

Where is the lambdoidal suture?

Answer 24

b/w occipital and parietal bones

Question 25

Where is the squamosal suture?

Answer 25

b/w temporal and parietal bones

Question 26

Where is the sagittal suture?

Answer 26

b/w parietal bones

Question 27

What are fontanels?

Answer 27

"soft spots" of an infants skull, these form sutures as you age

Question 28

Where is the vomer bone?

Answer 28

forms inferior part of the nasal septum

Question 29

What is a foramen?

Answer 29

any opening in the skull for nerves and blood vessels

Question 30

Where are the mental foramens?

Answer 30

openings in the chin

Question 31

Where are the infraorbital foramens?

Answer 31

under the eyes

Question 32

Where is the foramen magnum?

Answer 32

large opening through the bottom of the skull, where the spinal cord enters the skull

Question 33

What are the 5 parts of the vertebrae?

Answer 33

cervical, thoracic, lumbar, sacrum, coccyx (tailbone)

Question 34

Where are the cervical bones?

Answer 34

the neck, C1-C7

Question 35

How many cervical bones are there in the spine?

Answer 35

7

Question 36

Where are the thoracic bones?

Answer 36

middle back, T1-T12

Question 37

How many thoracic bones are there in the spine?

Answer 37

12

Question 38

Where are the lumbar bones?

Answer 38

lower back, L1-L5

Question 39

How many lumbar bones are there in the spine?

Answer 39

5

Question 40

How many pairs of ribs are there?

Answer 40

12

Question 41

What are the ribs also called?

Answer 41

thoracic cage

Question 42

Where are the true ribs?

Answer 42

first 7 pairs, attached directly to the sternum

Question 43

Where are the false ribs?

Answer 43

next 3 pairs after true ribs, attached to ribs above them

Question 44

Where are the floating ribs?

Answer 44

last 2 pairs, found on dorsal side

Question 45

What is the pectoral girdle?

Answer 45

shoulder

Question 46

What are clavicles? How many?

Answer 46

collar bones, 2

Question 47

What are scapulas? How many?

Answer 47

shoulder blades, 2

Question 48

What is the upper arm bone?

Answer 48

humerus

Question 49

What are the lower arm bones?

Answer 49

ulna & radius

Question 50

Where is the ulna relative to the radius?

Answer 50

in anatomical position, the ulna is medial to the radius (inside), goes to the pinky (P-U)

Question 51

Where is the radius relative to the ulna?

Answer 51

in anatomical position, the radius is lateral to the ulna (outside), goes to thumb

Question 52

How many bones are in the wrist & what are they called?

Answer 52

carpals, 8 small bones

Question 53

How many bones are in a hand?

Answer 53

27

Question 54

How many bones are in the hand and what are they called?

Answer 54

metacarpals, 5

Question 55

How many bones are in the fingers and what are they called?

Answer 55

phalanges, 14

Question 56

What is the pelvic girdle?

Answer 56

hips

Question 57

What are the two large bones in the pelvic girdle?

Answer 57

coxal bones

Question 58

What is the upper leg bone called?

Answer 58

femur

Question 59

What is the kneecap bone called?

Answer 59

patella

Question 60

What are the lower leg bones called?

Answer 60

tibia & fibula

Question 61

Where is the tibia relative to the fibula?

Answer 61

the tibia is medial to the fibula, bigger

Question 62

Where is the fibula relative to the tibia?

Answer 62

the fibula is lateral to the tibia, smaller

Question 63

What are the bones in the ankle and upper foot called? How many?

Answer 63

tarsals, 7

Question 64

What is the largest bone in the foot?

Answer 64

calcaneus (heel bone)

Question 65

What are the bones in the foot called? How many?

Answer 65

metatarsals, 5

Question 66

What are the bones in the toes called? How many?

Answer 66

phalanges, 14

Question 67

What are the 8 carpals called? (wrist)

Answer 67

scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, trapezium

Question 68

What are the 7 tarsals called? (foot)

Answer 68

talus, calcaneus, havicular, cuboid, medial cuneiform, intermediate cuneiform, lateral cuneiform