Final

Question 1

amphiarthrosis

Answer 1

a joint that is only slightly movable because of the strong connective tissue holding the bones together.

Question 2

rheumatoid arthritis

Answer 2

an autoimmune disease that results when the immune system attacks the cartilage and tissues of a joint

Question 3

bony fusion

Answer 3

Joint between the diaphysis and epiphysis of a long bone

Question 4

fibrous joint

Answer 4

Joint between the tooth and the alveolar socket in the jaw bone

Question 5

cartilaginous joint

Answer 5

The joint consisting of the intervertebral disc between two adjacent vertebrae

Question 6

synovial joint

Answer 6

The joint between the femur and the acetabulum of the coxal bone

Question 7

diarthrosis

Answer 7

a freely movable joint

Question 8

articular capsule

Answer 8

encloses the joint cavity and joins articulating bones, consists of two layers: (1) the outer fibrous membrane and (2) the inner synovial membrane.

Question 9

pivot joint

Answer 9

uniaxial and allows rotational movement around a single axis.

Question 10

annular ligament

Answer 10

holds the head of the radius in the radial notch of the ulna

Question 11

sarcolemma

Answer 11

the plasma membrane of a muscle fiber.

Question 12

calcium ions in skeletal muscle contraction

Answer 12

bind to troponin, inducing the tropomyosin to move away and exposing the myosin-binding site on the troponin.

Question 13

pelvic diaphragm

Answer 13

coccygeus and the levator ani muscles

Question 14

rhomboid muscles

Answer 14

(rhomboid major and rhomboid minor) adduct and laterally rotate the scapula

Question 15

supraspinatus

Answer 15

abduction at the shoulder, greater tubercle of the humerus

Question 16

teres major

Answer 16

medial rotation at the shoulder, medial lip of the intertubercular groove of the humerus

Question 17

infraspinatus

Answer 17

lateral rotation at the shoulder, lesser tubercle of the humerus

Question 18

coracobrachialis

Answer 18

adduction and flexion at the shoulder, medial margin of the shaft of the humerus

Question 19

latissimus dorsi

Answer 19

extension, adduction, and medial rotation at the shoulder, floor of the intertubercular groove of the humerus

Question 20

piriformis

Answer 20

laterally rotates the hip and abducts the thigh.

Question 21

hamstrings

Answer 21

consist of the biceps femoris, the semitendinosus, and the semimembranosus.

Question 22

tibialis anterior

Answer 22

flexion at the ankle; inversion of the foot

Question 23

gastrocnemius

Answer 23

extension at the ankle; inversion of the foot and flexion at the knee

Question 24

tibialis posterior

Answer 24

adduction and inversion of foot; extension at ankle