the skeleton

Active Lecture Questions

C H A P T E R

Copyright © 2010 Pearson Education, Inc.

7

The Skeleton

Copyright © 2010 Pearson Education, Inc.

How many bones comprise the skull?

a. 1

b. 22

c. 200

d. 220

Copyright © 2010 Pearson Education, Inc.

The ______ is not an integral bone of the skull and is not attached by sutures to the remainder of the skull bones.

a. sphenoid

b. ethmoid

c. maxilla

d. mandible

Copyright © 2010 Pearson Education, Inc.

This skull bone is connected to the rest of the cranium posteriorly via the coronal suture. It is the _______ bone.

a. parietal

b. frontal

c. occipital

d. sphenoid

Copyright © 2010 Pearson Education, Inc.

This skull bone provides the major passageway for the brain to communicate with the rest of the body. It is the _________ bone.

a. occipital

b. parietal

c. frontal

d. ethmoid

Copyright © 2010 Pearson Education, Inc.

This bone contains four major areas: squamous, tympanic, mastoid, and petrous. It is the _______ bone.

a. mandible

b. occipital

c. temporal

d. frontal

Copyright © 2010 Pearson Education, Inc.

Which of the following foramina visible in preserved skulls is almost completely enclosed by cartilage in a living person?

a. Foramen lacerum

b. Foramen magnum

c. Foramen rotundum

d. Jugular foramen

Copyright © 2010 Pearson Education, Inc.

Which of the following structures serves as a “seat” of the endocrine system by supporting the pituitary gland?

a. Pterygoid process

b. Greater wings of the sphenoid bone

c. Lesser wings of the sphenoid bone

d. Sella turcica

Copyright © 2010 Pearson Education, Inc.

The holes in the cribriform plate primarily serve as _______.

a. a way to lighten the weight of the skull

b. passageways for olfactory nerves

c. sensory organs

d. entry points for light

Copyright © 2010 Pearson Education, Inc.

The _________ is an important muscle attachment site used for chewing.

a. mandibular condyle

b. mandibular ramus

c. coronoid process of the mandible

d. mandibular body

Copyright © 2010 Pearson Education, Inc.

The scientific name for the cheekbone is the _______.

a. zygomatic bone

b. maxilla

c. nasal bone

d. palatine bone

Copyright © 2010 Pearson Education, Inc.

If you have a broken nose, most likely you have broken your __________.

a. zygomatic bone

b. maxilla

c. nasal bone

d. palatine bone

Copyright © 2010 Pearson Education, Inc.

Which of the following bones does not articulate directly with any other bone in the skeleton?

a. Mandible

b. Clavicle

c. Scapula

d. Hyoid

Copyright © 2010 Pearson Education, Inc.

There are ______ bones that form the adult vertebral column.

a. 2

b. 26

c. 206

d. 62

Copyright © 2010 Pearson Education, Inc.

The primary functions of the vertebral column include ___________

a. conducting nervous impulses from the brain.

b. protection of the spinal cord.

c. transmission of weight from the trunk to the lower limbs.

d. both b and c.

Copyright © 2010 Pearson Education, Inc.

What is the primary function of the intervertebral foramina?

a. To allow passage of the spinal cord

b. Attachment of ligaments

c. For exit of spinal nerves from the spinal cord

d. To anchor the intervertebral discs

Copyright © 2010 Pearson Education, Inc.

Cervical vertebrae can be uniquely identified by the presence of ________.

a. transverse foramina

b. transverse processes

c. spinous processes

d. vertebral foramina

Copyright © 2010 Pearson Education, Inc.

The ______ is (are) responsible for nodding “yes,” while the ______ is responsible for shaking your head “no.”

a. axis; atlas

b. atlas; axis

c. occipital condyles; odontoid process

d. odontoid process; occipital condyles

Copyright © 2010 Pearson Education, Inc.

This group of vertebrae is the only group that articulates with the ribs.

a. Cervical

b. Thoracic

c. Lumbar

d. Sacral

Copyright © 2010 Pearson Education, Inc.

The major function(s) of the thoracic cage is (are) _______.

a. to protect the lungs

b. to help expand the thoracic cavity during breathing

c. to aid in digestion

d. both a and b

Copyright © 2010 Pearson Education, Inc.

Which of the following organs lies directly posterior to the sternum?

a. Heart

b. Brain

c. Spinal cord

d. Liver

Copyright © 2010 Pearson Education, Inc.

Which of the following bones is not part of the appendicular skeleton?

a. Clavicle

b. Scapula

c. Sternum

d. Tibia

Copyright © 2010 Pearson Education, Inc.

The arrangement of bones and muscles of the pectoral girdle is such that there is a high degree of ________ but a low level of ______.

a. strength; length

b. flexibility; stability

c. stability; flexibility

d. flexibility; endurance

Copyright © 2010 Pearson Education, Inc.

The ________ is the most frequently fractured portion of the humerus.

a. anatomical neck

b. surgical neck

c. radial groove

d. trochlea

Copyright © 2010 Pearson Education, Inc.

The “funny bone” of the elbow is actually this portion of the humerus:

a. Trochlea

b. Capitulum

c. Lateral epicondyle

d. Medial epicondyle

Copyright © 2010 Pearson Education, Inc.

The _______ rotates about the ______ when you pronate your forearm (the palm faces posteriorly).

a. ulna; radius

b. ulna; humerus

c. radius; humerus

d. radius; ulna

Copyright © 2010 Pearson Education, Inc.

Which two carpals articulate with the radius to form the wrist joint?

a. Triquetal and lunate

b. Scaphoid and pisiform

c. Scaphoid and lunate

d. Trapezoid and hamate

Copyright © 2010 Pearson Education, Inc.

Which of these bones would bear a ring?

a. Phalanx

b. Metacarpal

c. Carpal

d. Tarsal

Copyright © 2010 Pearson Education, Inc.

Each of the hip bones is comprised of _____ separate bone(s).

a. 1

b. 2

c. 3

d. 4

Copyright © 2010 Pearson Education, Inc.

Which of the following bones is capable of bearing the greatest physical stress?

a. Femur

b. Ischium

c. Fibula

d. Patella

Copyright © 2010 Pearson Education, Inc.

This bone of the leg bears no weight.

a. Femur

b. Tibia

c. Fibula

d. Talus