Skeletal System: Anatomy

Question 1

Which of these is part of the appendicular skeleton?

a. cranium
b. ribs
c. clavicle
d. sternum
e. vertebra

Answer 1

clavicle

Question 2

A knoblike lump on a bone is called a

a. spine.
b. facet.
c. tuberosity.
d. sulcus.
e. ramus.

Answer 2

tuberosity

Question 3

The perpendicular plate of the ethmoid and the _____ form the nasal septum.

a. palatine process of the maxilla
b. horizontal plate of the palatine
c. vomer
d. nasal bone
e. lacrimal bone

Answer 3

vomer

Question 4

Which of these bones does not contain a paranasal sinus?

a. ethmoid
b. sphenoid
c. frontal
d. temporal
e. maxilla

Answer 4

temporal

Question 5

The mandible articulates with the skull at the

a. styloid process.
b. occipital condyle.
c. mandibular fossa.
d. zygomatic arch.
e. medial pterygoid.

Answer 5

mandibular fossa

Question 6

The nerves for the sense of smell pass through the

a. cribriform plate.
b. nasolacrimal canal.
c. internal auditory canal.
d. optic canal.
e. orbital fissure.

Answer 6

cribriform plate

Question 7

The major blood supply to the brain enters through the

a. foramen magnum.
b. carotid canals.
c. jugular foramina.
d. Both a and b are correct.
e. All of these are correct.

Answer 7

foramen magnum and carotid canals

Question 8

The site of the sella turcica is the

a. sphenoid bone.
b. maxillae.
c. frontal bone.
d. ethmoid bone.
e. temporal bone.

Answer 8

sphenoid bone

Question 9

Which of these bones is not in contact with the sphenoid bone?

a. maxilla
b. inferior nasal concha
c. ethmoid
d. parietal
e. vomer

Answer 9

inferior nasal concha

Question 10

A herniated disk occurs when

a. the annulus fibrosus ruptures.
b. the intervertebral disk slips out of place.
c. the spinal cord ruptures.
d. too much fluid builds up in the nucleus pulposus.
e. All of these are correct.

Answer 10

the annulus fibrosus ruptures

Question 11

The weight-bearing portion of a vertebra is the

a. vertebral arch.
b. articular process.
c. body.
d. transverse process.
e. spinous process.

Answer 11

body

Question 12

Transverse foramina are found only in

a. cervical vertebrae.
b. thoracic vertebrae.
c. lumbar vertebrae.
d. the sacrum.
e. the coccyx.

Answer 12

cervical vertebrae

Question 13

Which of these statements concerning ribs is correct?

a. The true ribs attach directly to the sternum with costal cartilage.
b. There are five pairs of floating ribs.
c. The head of the rib attaches to the transverse process of the vertebra.
d. Vertebrochondral ribs are classified as true ribs.
e. Floating ribs do not attach to vertebrae.

Answer 13

the true ribs attach directly to the sternum with costal cartilage

Question 14

The point where the scapula and clavicle connect is the

a. coracoid process.
b. styloid process.
c. glenoid cavity.
d. acromion process.
e. capitulum.

Answer 14

acromion process

Question 15

The distal medial process of the humerus to which the ulna joins is the

a. epicondyle.
b. deltoid tuberosity.
c. malleolus.
d. capitulum.
e. trochlea.

Answer 15

trochlea

Question 16

Which of these is not a point of muscle attachment on the pectoral girdle or upper limb?

a. epicondyles
b. mastoid process
c. radial tuberosity
d. spine of scapula
e. greater tubercle

Answer 16

mastoid process

Question 17

The bone(s) of the foot on which the tibia rests is (are) the

a. talus.
b. calcaneus.
c. metatarsal bones.
d. navicular.
e. phalanges.

Answer 17

talus

Question 18

The projection on the hipbone of the pelvic girdle that is used as a landmark for finding an injection site is the

a. ischial tuberosity.
b. iliac crest.
c. anterior superior iliac spine.
d. posterior inferior iliac spine.
e. ischial spine.

Answer 18

anterior superior iliac spine

Question 19

When comparing the pectoral girdle with the pelvic girdle, which of these statements is correct?

a. The pectoral girdle has greater mass than the pelvic girdle.
b. The pelvic girdle is more firmly attached to the body than the pectoral girdle.
c. The pectoral girdle has the limbs more securely attached than the pelvic girdle.
d. The pelvic girdle allows greater mobility than the pectoral girdle.

Answer 19

the pelvic girdle is more firmly attached to the body than the pectoral girdle

Question 20

When comparing a male pelvis with a female pelvis, which of these statements is correct?

a. The pelvic inlet in males is larger and more circular.
b. The subpubic angle in females is less than 90 degrees.
c. The ischial spines in males are closer together.
d. The sacrum in males is broader and less curved.

Answer 20

the ischial spines in males are closer together

Question 21

A site of muscle attachment on the proximal end of the femur is the

a. greater trochanter.
b. epicondyle.
c. greater tubercle.
d. intercondylar eminence.
e. condyle.

Answer 21

greater trochanter