Exam Study Questions with 100%
Verified Answers
1. Why is the ____ the only freely moving bone in the skull? - ANSWER
Mandible;
connected to the rest of the skull by a freely moving joint
2. why are the first two cervical vertebrae assigned unique names? -
ANSWER have NO intervertebral disc between them
highly modified
3. what are the first two cervical vertebrae named, C1 and C2 ? - ANSWER
C1= atlas
C2=axis
4. forms part of the lateral wall of the nasal cavity - ANSWER inferior nasal
concha
5. sockets for the teeth - ANSWER alveoli
6. the lower jaw - ANSWER mandible
7. list in order from top to bottom the vertebral column - ANSWER C- 7
cervical
T- 12 thoracic
,L- 5 lumbar
S- 5 sacrum
C- 4 coccyx
8. which abnormal spinal curvature: means twisted disease
most often in the thoracic region
common during late childhood
most common in girls - ANSWER scoliosis
9. which abnormal spinal curvature: hunchback
dorsally exaggerated thoracic curvature
common in elderly
may reflect osteoporosis, tuberculosis of spine, rickets, or osteomalacia -
ANSWER kyphosis
10.which abnormal spinal curvature: swayback
lumbar curvature
men with "potbellies"
pregnant women - ANSWER lordosis
11.major supporting ligaments of vertebral column are ____ and ____ __ ___ -
ANSWER anterior and posterior longitudinal ligaments
12.role of anterior ligament in vertebral column: prevents ____ - ANSWER
hyperextension
(bending too far backward)
,13.role of posterior ligament in vertebral column: resists ______ - ANSWER
hyper flexion:
bending too sharply forward
14.what is anterior ligament on vertebral column attached to?
strongly attached to both ___ __ and ____ - ANSWER the bony vertebrae and
the discs
15.what is the posterior ligament on vertebral column only attached to? -
ANSWER only to the discs.
16.the ligamentum flavum contains __ ___ tissue, is especially strong. It
stretches as we bend forward and then recoils when we resume an erect
posture. - ANSWER elastic connective tissue
17.C1 has no ___ and no ___ ____ - ANSWER no body
no spinous process
18.Axis has a body, spine, and other typical vertebral process, its only unusual
feature is what? - ANSWER knoblike dens, or odontoid process.
19.Atlas (C1) allows you to do what with your head? - ANSWER "carry" the
skull
Allows you to nod "yes"
20.Axis allows you to do what with your head? - ANSWER rotate it side to
side saying "no"
, 21.What is the only bone that does not articulate with another bone? -
ANSWER hyoid bone
22.hyoid bone is anchored by the narrow ____ _____ to the styloid processes -
ANSWER stylohyoid ligaments
23.frontal: forms ____
-contains ____ - ANSWER sinuses
24.parietal: forms most of the ___ and ___ aspects of the skull - ANSWER
superior
lateral
25.occipital: forms ____ aspect and most of the ___ of the skull - ANSWER
posterior
base
26.temporal: has ____, ____, ____, and ____ regions - ANSWER squamous
mastoid
tympanic
pestrous
27.sphenoid: keystone of the cranium. Main parts are the ____, ___ ___, ___ __
, and pterygoid processes - ANSWER body,
greater wings
lesser wings