Human A&P Chapter 7

What is included in the nasal septum?

-Ethmoid bone -Vomer -Septal Cartilage

name the 4 sinuses of your face

-Frontal -Ethoidal air cells -Sphenoid -Maxillary

In the orbits cavity what 2 bones are on the roof of the orbits?

-Frontal -Sphenoid

Besides the cranial cavity, the skull also forms several smaller cavities called?

-Nasal cavity -Orbits -Paranasal sinuses -Organs of hearing and equilibrium

name the 4 major fontanels

-Posterior -Anterior -Anterolateral -Posterolateral

Name the 4 cranial sutures

-Sagittal -Coronal -Lambdoid -Squamous

C1; ______ C2; ______ C7;______

-atlas -axis -vertebra prominens

Name the vertebral column (superior to inferior)

-cervical region -thoracic region -lumbar region -sacrum -coccyx

These three supporting structures allow posture and movement

-ligament -muscles -intervertebral discs

name the three major abnormal spinal curves

-lordosis -scoliosis -kyphosis

Sternum has three major parts, name from superior to inferior

-manubrium -body -Xiphoid process

in the orbits cavity, what 4 bones are on the medial wall of the orbits?

-maxilla -lacrimal -ethmoidal -sphenoid

in the orbits cavity, what 3 bones are on the floor of the orbits?

-maxilla -zygomatic -Palatine

Cranial and facial bones ________ and support _____ ______ organs and the brain

-protect -special sense

what are the functions of the vertebral column

-protect spinal cord -supports head -attachment for ribs, pelvic girdle and muscles -allows movement -maintain upright posture

What are the functions of the hyoid bone?

-supports tongue -provides attachment sites for muscles of tongue, neck and pharynx -helps to keep the larynx open

The typical cervical vertebrae has what

-triangular verebral foramen - 3 foramina 1 vertebral foramen 2 transverse

what is the purpose of the conchae/turbinate in the ethmoid bone?

-warm, moisten and cleanse inhaled air. -increase area for sense of smell

in the orbits cavity, what 2 bones are on the lateral wall of the orbits?

-zygomatic -sphenoid

What are fontanels

area of unossified tissue that link the cranial bones at birth

ribs are called false ribs when they what?

attach indirectly or lack a sternal attachment

Ribs are called true ribs when they what?

attach sternum with their own costal cartilage

ligament have strong bands of what kind of tissue

dense connective tissue

Which of these bones articulates with the acetabulum of the coxal bone?

femur

in the intervertebral discs, there are _________ cushions between bodies of the adjacent vertebrae

fibrocartilagious

The head of the humerus fits into the ________ of the scapula

glenoid cavity

Which bones form the shoulder joint?

humerus and scapula

what is part of the free part

humerus, ulna, radius, carpal, metacarpal and phalanges

the pelvic girdle consist of

ilium, pubis and ischium

define sutures

immovable joints that hold most skull bones together

Which of these bones form the hard palate?

maxillary and palatine

what are the functions of the intervertebral discs

movement of the vertebral column and absorb vertical shock

what bones are part of the facial bones?

nasal, maxillae, zygomatic, mandible, lacrimal, palatine , inferior nasal conchae, and vomer

what is the purpose of fontanels

provide flexibility to fetal skull, allowing to change shape as it passes through the birth canal

two coxal bones joined anteriorly by ______ ________

pubic symphsis

what are fontanels replaced by

sutures

which two cavities are concave in the adult vertebral curvatures

thoracic and sacral

which number ribs are true ribs?

1-7

What number ribs are considered the floating ribs

11 and 12

The dens is a process projecting from the _______

Axis

Bones of the skull are grouped into what two categories?

Cranial and Facial

What causes the pain associated with a herniated disc? a. vertebral bodies scraping against each other b. bone spurs pressing against nerves c. abnormal spinal curvature pinching the spinal cord d. pressure on spinal nerves by the protruding disc

D

Which is the correct order of ribs, from superior to inferior? a. true ribs, floating ribs, false ribs b.floating ribs, false ribs, true ribs c.floating ribs, true ribs, false ribs d.true ribs, false ribs, floating ribs e.false ribs, floating ribs, true ribs

D

What bones are part of the cranial bones?

Frontal, parietal, temporal, occipital, sphenoid, and ethmoid

What are the two separate regions of the skeleton of the upper limb

Pectoral girdle and free part

Which bone of the cranium contains a small depression that surrounds the pituitary gland?

Spheniod bone

The hyoid bone does not articulate with any other bone . True or False

True

which two cavities are convex in the adult vertebral curvatures

cervical and lumbar

what is part of the pectoral girdle

clavicle and scapula