BIOD 151 MODULE 4 THE SKELETAL SYSTEM EXAM

BIOD 151 MODULE 4 THE SKELETAL SYSTEM EXAM QUESTIONS
GUIDE WITH PICTURES /ALREADY GRADED A

What is the function of the flat bones? - ANSWER: Produce red blood cells;
protection of internal organs

Describe the shape of a long bone and what its design allows. - ANSWER: Long and
thin, supports body weight and enables movement

Name the five basic bone shapes. - ANSWER: Long, flat, short, irregular, sesamoid

What term best describes a hollow chamber in bone, usually filled with air? -
ANSWER: Sinus

True or false: A sulcus is a raised ridge in bone. - ANSWER: False, a sulcus is a
depression

What division of the skeleton lies along the midline? - ANSWER: Axial

True or false: Fontanelles are present in adults. - ANSWER: False, in infants

What two bones of the cranium lie primarily within the skull? - ANSWER: sphenoid
and the ethmoid

True or false: The frontal bone is a paired bone of the cranium. - ANSWER: False

Which bone contains the foramen magnum? - ANSWER: occipital

What is the purpose of the foramen magnum? - ANSWER: spinal cord passes to
become the brain stem

Sinusitis is an infection of the ___. - ANSWER: Sinuses

What is the function of the nasal conchae? - ANSWER: swirl the air as it is breathed
in through the nasal passages, helping to warm and humidify the air before it enters
the lower respiratory system

What are the only unpaired bones of the facial skeleton? - ANSWER: mandible and
vomer

What bone forms the anterior portion of the hard palate? - ANSWER: maxilla

True or false: A typical spine is completely straight when standing vertically. -
ANSWER: False

, True or false: The vertebral body is located anteriorly and can be palpated along the
surface of the back. - ANSWER: False: located anteriorly, but it's the spinous
processes that can be palpated

The vertebrae fit together to protect the ___, located in the vertebral canal. -
ANSWER: spinal cord

True or False: A typical thoracic vertebra has a bifid spinous process. - ANSWER:
False

What is the purpose of transverse foramina in cervical spinal vertebrae? - ANSWER:
Passage of vertebral arteries and veins

What region of the spine contains costal facets? - ANSWER: Thoracic

What is the purpose of costal facets? - ANSWER: rib articulations

Which region of the spine has the largest vertebral bodies? - ANSWER: lumbar

The line along the midline of the sacrum is called the ___. - ANSWER: median sacral
crest

True or False: Ribs 11 and 12 have no posterior attachment to the thoracic
vertebrae. - ANSWER: false: no anterior attachment

True or false: Anteriorly, the clavicle connects to the scapula. - ANSWER: False

True or false: The medial border of the scapula connects directly to the neck of the
scapula. - ANSWER: False

True or false: The subscapular fossa is located on the anterior side of the scapula. -
ANSWER: True

Why is the glenohumeral joint prone to dislocation? - ANSWER: it is held in place
primarily by muscular and ligament attachment with very little bony stability

The capitulum articulates with a small portion of the ___. - ANSWER: radius

True or false: The lateral epicondyle of the humerus can be palpated on the medial
side of the arm at the elbow. - ANSWER: false, medial epicondyle

What is the prominent bone that can be palpated in the elbow posteriorly? -
ANSWER: Ulna

What structures connects the ulna and radius along their shafts? - ANSWER:
interosseous membrane