Appendicular Skeleton

Question 1

anterior view

Answer 1

at or near the front of the body

Question 2

lateral view

Answer 2

from the side

Question 3

posterior view

Answer 3

at or near the back of the body

Question 4

acromion

Answer 4

the highest point of the shoulder

Question 5

coracoid process

Answer 5

hook shaped bone. projects anterolaterally (front and the side) from the. superior aspect of the scapular neck.

Question 6

spine

Answer 6

prominent ridge of bone from the posterior surface of the scapula

Question 7

glenoid cavity

Answer 7

a shallow, vertically elongate concavity that receives the head of the humerus

Question 8

which of the following is primarily responsible for stabilizing, positioning, and bracing the pectoral girdles
A) tendons
B) ligaments
C) the joint shape
D) muscles
E) the shape of the bones within the joint

Answer 8

D

Question 9

sacrum

Answer 9

shield shaped, located at the base of lumbar vertebrae and is connected to the pelvis

Question 10

coccyx

Answer 10

lies beneath the sacrum

Question 11

ilium

Answer 11

upper portion of the hip bone and pelvis

Question 12

pubis

Answer 12

at the front of the hip bone closest to the genitals

Question 12

ischium

Answer 12

paired bone of the pelvis, forms the lower and back part of the hip bone

Question 13

hip bone

Answer 13

ball and joint socket, located in the pelvis

Question 14

in the anatomical position, the ulna lies
A) medial to the radius
B) lateral to the radius
C) inferior to the radius
D) superior to the radius

Answer 14

A

Question 15

the point of the elbow is actually the _____ of the ulna
A) styloid
B) olecranon
C) coronoid process
D) trochlear notch

Answer 15

B

Question 16

the bones of the hand articulate distally with the
A) carpal bones
B) ulna and radius
C) metacarpals
D) phalanges

Answer 16

D

Question 17

The epiphysis of the femur articulates with the pelvis at the
A) pubic symphysis
B) acetabulum
C) sciatic notch
D) obturator foramen

Answer 17

B

Question 18

what is the name of the flexible sheet that interconnects the radius and ulna (and the tibia and fibula)

Answer 18

interosseous membrane

Question 19

name the bones that make up each hip bone

Answer 19

ilium, ischium, and pubis

Question 20

which seven bones make up the ankle

Answer 20

talus, calcaneus, cuboid, navicular, three cuneiform bones

Question 21

the presence of tubercles on bones indicates the positions of
A) tendons and ligaments
B) muscle attachments
C) ridges and flanges
D) a and b

Answer 21

D

Question 22

at the glenoid cavity, the scapula articulates with the proximal end of the
A) humerus
B) radius
C) ulna
D) femur

Answer 22

A

Question 23

all of the following are structural characteristics of the female pelvic girdle compared to the male pelvic girdle with either one or two exceptions. identify the exceptions
A) the female pelvis is adapted for childbearing
B) the female pelvic girdle is lighter than the male pelvic girdle
C) relaxin produced by the male pelvic girdle loosens the pubic symphysis and sacro-iliac joints
D) the shape of the female pelvic girdle is the same as the male
E) both c and d

Answer 23

E

Question 24

the large foramen between the pubic ramus and ischial ramus is the
A) foramen magnum
B) suborbital foramen
C) acetabulum
D) obturator foramen

Answer 24

D

Question 25

which of the following skeletal characteristics is an adaptation for childbearing
A) inferior angle of 100 degrees or more between the pubic bones
B) a relatively broad, low pelvis
C) less curvature of the sacrum and coccyx
D) all of these are correct

Answer 25

D

Question 26

the fibula
A) forms an important part of the knee joint
B) articulates with the femur
C) helps bear the weight of the body
D) provides lateral stability to the ankle
E) a and b

Answer 26

D

Question 27

the tarsal bone that transfers and distributes weight to the heel or toes is the
A) cuneiform
B) calcaneus
C) talus
D) navicular

Answer 27

C

Question 28

what is the difference in skeletal structure between the pelvic girdle and the pelvis

Answer 28

the pelvic girdle consists of two hip bones (coxal bones or pelvic bones). the pelvis consists of two hip bones of the appendicular skeleton and the sacrum and coccyx of the axial skeleton

Question 29

why would a self defense instructor advise a student to strike an attacker’s clavicle

Answer 29

clavicles are small and fragile, so they are easy to break. the attacker would no longer have efficient use of his arms

Question 30

jack injures himself playing hockey, and the physician who examines him informs him he has dislocated his pollex. what part of jacks body did he injure?
A) his arm
B) his leg
C) his hip
D) his thumb
E) his shoulder

Answer 30

D

Question 31

the pelvis
A) protects the upper abdominal organs
B) contains bones from both the axial and appendicular skeleton
C) is composed of the coxal bones, scarum, and coccyx
D) does all of these
E) only a and c

Answer 31

E

Question 32

why is the tibia, but not the fibula, involved in the transfer of weight to the ankle and foot

Answer 32

it doesn’t help with transferring weight to the ankle and foot because its excluded from the knee joint

Question 33

in determining the age of a skeleton, all of the following pieces of information would be helpful except
A) the number of cranial sutures
B) the size and roughness of the markings of the bones
C) the presence or absence of fontanelles
D) the presence or absence of epiphyseal cartilages
E) the types of minerals deposited in the bones

Answer 33

E

Question 34

why would a person suffering from osteoporosis be more likely to suffer a hip fracture than a broken shoulder

Answer 34

hip fractures involve the femur, hip joints must help support the body’s weight. any weakening of the femoral bones may result in their breaking under the weight of the body

Question 35

while fireman fred is fighting a fire in a building, part of the ceiling collapses and a beam strikes him on his left shoulder. he is rescued but has a great deal of pain in his shoulder. he cannot move his arm properly, especially on the anterior direction. his clavicle is not broken and his humerus is intact. what is the probable nature of fred’s injury

Answer 35

dislocated his shoulder, common due to the weakness of the shoulder (glenohumeral) joint

Question 36

investigators find the pelvis of a human and are able to identify the sex, age, and some physical characteristics of the person. how is this possible with only the pelvis

Answer 36

persons age can be estimated due to the size and degree of mineralization. the persons’ appearance can be seen due to the size and shape of the muscles.