1. 7
The Skeleton

2. How many bones comprise the skull?1 22
200
220
Answer: b. 22

3. The ______ is not an integral bone of the skull and is not attached by sutures to the remainder of the skull bones.
sphenoid
ethmoid
maxilla
mandible
Answer: d. mandible

4. This skull bone is connected to the rest of the cranium posteriorly via the coronal suture. It is the _______ bone.
parietal
frontal
occipital
sphenoid
Answer: b. frontal

5. This skull bone provides the major passageway for the brain to communicate with the rest of the body. It is the _________ bone.
occipital
parietal
frontal
ethmoid
Answer: a. occipital

6. This bone contains four major areas: squamous, tympanic, mastoid, and petrous. It is the _______ bone.
mandible
occipital
temporal
frontal
Answer: c. temporal

7. Which of the following foramina visible in preserved skulls is almost completely enclosed by cartilage in a living person?
Foramen lacerum
Foramen magnum
Foramen rotundum
Jugular foramen
Answer: a. Foramen lacerum

8. Greater wings of the sphenoid bone Lesser wings of the sphenoid bone
Which of the following structures serves as a “seat” of the endocrine system by supporting the pituitary gland?
Pterygoid process
Greater wings of the sphenoid bone
Lesser wings of the sphenoid bone
Sella turcica
Answer: d. Sella turcica

9. The holes in the cribriform plate primarily serve as _______.
a way to lighten the weight of the skull
passageways for olfactory nerves
sensory organs
entry points for light
Answer: b. passageways for olfactory nerves

10. The _________ is an important muscle attachment site used for chewing.
mandibular condyle
mandibular ramus
coronoid process of the mandible
mandibular body
Answer: c. coronoid process of the mandible

11. The scientific name for the cheekbone is the _______.
zygomatic bone
maxilla
nasal bone
palatine bone
Answer: a. zygomatic bone

12. If you have a broken nose, most likely you have broken your __________.
zygomatic bone
maxilla
nasal bone
palatine bone
Answer: c. nasal bone

13. Which of the following bones does not articulate directly with any other bone in the skeleton?
Mandible
Clavicle
Scapula
Hyoid
Answer: d. Hyoid

14. There are ______ bones that form the adult vertebral column.2 26
206 62
Answer: b. 26

15. The primary functions of the vertebral column include ___________
conducting nervous impulses from the brain.
protection of the spinal cord.
transmission of weight from the trunk to the lower limbs.
both b and c.
Answer: d. both b and c.

16. What is the primary function of the intervertebral foramina?
To allow passage of the spinal cord
Attachment of ligaments
For exit of spinal nerves from the spinal cord
To anchor the intervertebral discs
Answer: c. For exit of spinal nerves from the spinal cord

17. Cervical vertebrae can be uniquely identified by the presence of ________.
transverse foramina
transverse processes
spinous processes
vertebral foramina
Answer: a. transverse foramina

18. occipital condyles; odontoid process
The ______ is (are) responsible for nodding “yes,” while the ______ is responsible for shaking your head “no.”
axis; atlas
atlas; axis
occipital condyles; odontoid process
odontoid process; occipital condyles
Answer: c. occipital condyles; odontoid process

19. This group of vertebrae is the only group that articulates with the ribs.
Cervical
Thoracic
Lumbar
Sacral
Answer: b. Thoracic

20. The major function(s) of the thoracic cage is (are) _______.
to protect the lungs
to help expand the thoracic cavity during breathing
to aid in digestion
both a and b
Answer: d. both a and b

21. Which of the following organs lies directly posterior to the sternum?
Heart
Brain
Spinal cord
Liver
Answer: a. heart

22. Which of the following bones is not part of the appendicular skeleton?
Clavicle
Scapula
Sternum
Tibia
Answer: c. Sternum

23. flexibility; stability stability; flexibility flexibility; endurance
The arrangement of bones and muscles of the pectoral girdle is such that there is a high degree of ________ but a low level of ______.
strength; length
flexibility; stability
stability; flexibility
flexibility; endurance
Answer: b. flexibility; stability

24. The ________ is the most frequently fractured portion of the humerus.
anatomical neck
surgical neck
radial groove
trochlea
Answer: b. surgical neck

25. The “funny bone” of the elbow is actually this portion of the humerus:
Trochlea
Capitulum
Lateral epicondyle
Medial epicondyle
Answer: d. Medial epicondyle

26. The _______ rotates about the ______ when you pronate your forearm (the palm faces posteriorly).
ulna; radius
ulna; humerus
radius; humerus
radius; ulna
Answer: d. radius; ulna

27. Which two carpals articulate with the radius to form the wrist joint?
Triquetal and lunate
Scaphoid and pisiform
Scaphoid and lunate
Trapezoid and hamate
Answer: c. Scaphoid and lunate

28. Which of these bones would bear a ring?
Phalanx
Metacarpal
Carpal
Tarsal
Answer: a. Phalanx

29. Each of the hip bones is comprised of _____ separate bone(s).1 2 3 4
Answer: c. 3

30. Which of the following bones is capable of bearing the greatest physical stress?
Femur
Ischium
Fibula
Patella
Answer: a. Femur

31. This bone of the leg bears no weight.
Femur
Tibia
Fibula
Talus
Answer: c. Fibula