Week 6 - Skeletal System

Question 1

This is the anterior bone that articulates with
the manubrium of the sternum at the
sternoclavicular joint.
a) Scapula
b) Clavicle
c) Xiphoid
d) Rib
e) Thoracic vertebra

Answer 1

b) Clavicle

Question 2

This bone has an S-shape that includes the medial half of the bone being convex anteriorly
and the lateral half being concave anteriorly.
a) Sternum
b) Scapula
c) Humerus
d) Clavicle
e) Ileum

Answer 2

d) Clavicled

Question 3

Which of the following bones articulates with the scapula?

a) Thoracic vertebra
b) Humerus
c) Sacrum
d) Tibia
e) Sternum

Answer 3

b) Humerus

Question 4

This part of the clavicle is rounded and articulates with the manubrium of the sternum.

a) Acromial extremity
b) Conoid tubercle
c) Sternal end
d) Costal tuberosity
e) Xiphoid process

Answer 4

c) Sternal end

Question 5

Why does a fracture of the clavicle usually occur
in the mid-region of the bone?
a) Due to the medial pressure from the inflated lungs
b) Due to the ligament-reinforced strength of the a
cromial joint
c) Due to weakness at the junction of the two curves of clavicle
d) Due to position of the clavicle relative to the
humerus
e) Due to fusion of the ends of the clavicle to the
sternum and scapula

Answer 5

c) Due to weakness at the junction of the two curves of clavicle

Question 6

Which of the following bones is located in the
posterior thorax between the levels of second
and seventh vertebrae?
a) Sternum
b) Clavicle
c) Pelvis
d) Scapula
e) Sacrum

Answer 6

d) Scapula

Question 7

Which bone articulates with the scapula at the
glenoid cavity?
a) Ileum
b) Thoracic vertebra
c) Sternum
d) Clavicle
e) Humerus

Answer 7

e) Humerus

Question 8

Which of the following bone markings on the scapula is an indentation into which the head
of the humerus fits?
a) Coracoid process
b) Glenoid cavity
c) Acromion
d) Scapular notch
e) Supraspinous fossa

Answer 8

b) Glenoid cavity

Question 9

The glenohumeral joint is formed by articulation of the

a) humerus, radius and ulna.
b) humerus and radius.
c) humerus and clavicle.
d) humerus and ulna.
e) humerus and scapula.

Answer 9

e) humerus and scapula.

Question 10

The epiphyseal line on the proximal end of the
humerus is found in the
a) anatomical neck.
b) greater tubercle.
c) intertubercular sulcus.
d) surgical neck.
e) olecranon fossa.

Answer 10

a) anatomical neck.

Question 11

The medial and lateral epicondyles are found on the distal end of the humerus and are used
for
a) formation of the elbow joint.
b) tendon attachment.
c) passage of nerves and blood vessels through the
bone into the marrow cavity.
d) Both formation of the elbow joint and tendon att
achment.
e) All of these choices are correct.

Answer 11

b) tendon attachment.

Question 12

Which of the following bones is the longest?

a) Radius
b) Phalange
c) Clavicle
d) Ulna
e) Scaphoid

Answer 12

d) Ulna

Question 13

Which of the following structures is found in the elbow?

a) Acromion
b) Surgical neck
c) Olecranon
d) Lesser tubercle
e) Both acromion and olecranon

Answer 13

c) Olecranon

Question 14

Which of the following structures on the ulna receives the trochlea of the humerus?

a) Olecranon fossa
b) Coronoid process
c) Trochlear notch
d) Radial notch
e) Capitulum

Answer 14

c) Trochlear notch

Question 15

What is the function of the interosseous membrane between the ulna and radius?

a) Joins the shafts of two bones
b) Tendon attachment
c) Site of bone repair
d) Both site of tendon attachment and bone repair
e) None of these choices are correct.

Answer 15

a) Joins the shafts of two bones

Question 16

The coxal bones unite anteriorly at a joint called the

a) pubic symphysis.
b) sacroiliac joint.
c) hip.
d) acetabulum.
e) None of these choices are correct.

Answer 16

a) pubic symphysis.

Question 17

What is the function of the pelvic girdle?

a) Support for vertebral column
b) Attachment site for lower limbs
c) Attachment site for large pectoral muscles.
d) Attachment site for lower limbs and for large pectoral muscles.
e) All of these choices are correct.

Answer 17

b) Attachment site for lower limbs

Question 18

In the standard anatomical position, the _____
is the bone of the pelvis found the most
superior.
a) Ilium
b) Pubis
c) Ischium
d) Both ilium and ishium.
e) All of these choices are correct.

Answer 18

a) Ilium

Question 19

The articular surface of the ilium

a) forms part of the acetabulum.
b) is a point of attachment for tendons of the iliacus muscles.
c) articulates with the sacrum.
d) is a point of attachment for the gluteal muscles
e) articulates with the sternum.

Answer 19

c) articulates with the sacrum.

Question 20

This is the largest foramen in the human
skeleton.
a) Acetabulum
b) Obturator foramen
c) Vertebral foramen
d) Mental foramen
e) Foramen magnum

Answer 20

b) Obturator foramen

Question 21

The hip joint is the joint found between

a) the femur and tibia.
b) the pelvis and sacrum.
c) the pelvis and tibia.
d) the femur and patella.
e) the pelvis and femur.

Answer 21

e) the pelvis and femur.

Question 22

Each lower limb has

a) 30 bones found in 3 locations.
b) 30 bones found in 4 locations.
c) 32 bones found in 3 locations.
d) 32 bones found in 4 locations.
e) 34 bones found in 4 locations.

Answer 22

b) 30 bones found in 4 locations.

Question 23

The shaft of the femur angles

a) medially.
b) laterally.
c) anteriorly.
d) posteriorly.
e) cranially.

Answer 23

a) medially.

Question 24

Which of the structures listed below is NOT
part of the knee joint?
a) Lateral condyle of the femur
b) Medial condyle of the femur
c) Lateral malleolus of the fibula
d) Condyles of the tibia
e) Patella

Answer 24

c) Lateral malleolus of the fibula

Question 25

The lateral malleolus is found on the distal
end of what bone?
a) Tibia
b) Fibula
c) Talus
d) Metatarsals
e) Femur

Answer 25

b) Fibula

Question 26

The boundary between the true pelvis and the false pelvis is the

a) pelvic axis.
b) pubic symphysis.
c) pelvic outlet.
d) pelvic brim.
e) pectineal line.

Answer 26

d) pelvic brim.