QUESTIONS ON SKELETAL SYSTEM

I- Define

-Epiphysial plate

-Osteoclasts

-Open fracture

-Open reduction

-Paranasal sinuses

-Osteoporosis

II- Mention in short

-divisions of the skeletal system

-functions of bones

-functional classification of joints

-structural classification of joints and example of each

-features of synovial joints

-groups of vertebrae and number of each group

-primary curvatures of the spine

-secondary curvatures of the spine

-abnormal curvatures of the spine meaning of each

-characters of cervical vertebrae

-groups of ribs and number of each

-parts of sternum

-important landmarks in the sternum

-bones of the upper limb

-bones of the lower limb

-bones of the shoulder and pelvic girdles

-causes of the exceptionally free movement of the shoulder joint

-bones of the hand

-components of the os coax

-differences between male and female pelves

-bones of the foot

-types of bone tissues

-types of bones according to shape and characters of each

-examples of : flat , long, short and irregular bones

-names of bone cells and function of each

-types of fractures

-events of fracture repair

-components of skull bones

-bones of the cranium

-names of sutures

-bone markings on the temporal bones

-names of paranasal sinuses

-benefits of paranasal sinuses

-benefits of fontanells

III -Fill spaces with proper words

-adult skull is composed of------bones

-bones of the wrist and ankle are------while the bones of the ------are long.

-The shaft of long bone is called ------while ------is the end of long bones

------is a fibrous connective tissue membrane cover the diaphysis

------fibers secures the periosteum to underlying bone

- in adults, the remnant of the epiphyseal plate is called------

- in adults,the medullary cavity is full of ------while in children with----

- in adults, red bone marrow is present in------

- osteocytes are present in tiny cavities called------

- Lacunae are arranged in circles called------around a canal named-----

- each complex of central canal and matrix around is called------

------are tiny canals radiate from central canal to all lacunae.

- instead of periosteum, bones inside the joint are covered with------

- a canal that leads to ear drum is called

------is a sharp, needle like projection just inferior to the external auditory meatus.

------is a rough projection posteroinferior to external auditory meatus

------is a large opening in the occipital bone

- the occipital bone joins parietal bones at------

- parietal bones meet at midline at------suture

- parietal bones meet the frontal bones at ------suture

------of the skull rests on the first cervical vertebra

------lies in the midline ofthe------,it holds the pituitary gland

------is a projection from the superior surface of ethmoid bone

- to reach the brain,olfactory nerve fibers pass through------plate which is a part of ------bone

- the two ------fuse to form the upper jaw

- the anterior part of hard palate is formed by------while its posterior part is formed of------

-mandible articulate with ------through------joint

-the only movable bone in skull is------

-------is the only bone of the body which does not articulate with any other bone

-hyoid bone is ------shaped, it is about 2 cm above the ------

-the adult skull represents------of his length while it is ------in newborn

-------are fibrous membranes connecting the cranial bones in the newborn

-------is the largest and strongest bone in the face

-the largest fontanel is called ------

-fontanels can no longer be felt ------after birth

-sternal angle lies at the level of the -----rib

-sternal notch is at the level of------vertebra while------at the level of ninth vertebra

-taking blood for hematopoietic study is possible from ------and------

-all ribs articulate with ------while only ------are attached to the------

-the ------is a shallow socket in the scapula that receives the head of------to form ------joint

-the blood vessels and nerves pass from the pelvis to the anterior part of the thigh through------and to its posterior part through------

-the ------receives the head of the femur

-the ------is the process that receives body weight when sitting

-pubic bones fuse together through------

-the ------is an important landmark in the pelvis during labor

-the superior opening of the pelvis is called------while ------is its inferior opening

-medial malleolus is a process from ------while the lateral is from----

- ------are flattend fiberous sac lined with synovial membrane containing synovial fluid

- ------is an elongated fibrous sac that wraps completely around a tendon subjected to friction

-the spine extends from------to------

-running in the cavity of the spine is------

-before birth, the spine consists of------separate bones ,but eventually ------of them fuse to form two composite bones called------and------

-the------separates two vertebrae

-------and are primary while ------–and------are secondary curvatures

-------is the first cervical vertebrae while------is the second

-the superior surface of atlas articulates with------, this joint allows you to nod :------:

-the superior surface of axis articulates with ------,this joint allows you to nod:------:

-the large upward process of axis is called------

-the sacrum is formed by the fusion of------vertebrae, it articulates laterally with------to form ------joint and superiorly with ------to form ------joint

-------acts as a pivot for the rotation of------

-inflammation of joint is called------

-excessive stretch on ligament is called------

-at birth, UL ratio is------,it becomes------at------years

-if bones are thin and fragile ,a disease called------

-spontaneous breaks without apparent injury is called------it is common in ------after------years

-bones are classified into four groups these are ------,------,------,------

-the number of phalanges in one foot is------

III- True or false

- hinge joints are uniaxial

-ball an socket joints are biaxial joints

- long bones are mostly compact bones

- vertebrae are short bones

- hip bones are irregular bones

- the infants face is very small compared to the cranium

- the infants skull is large compared to his body length

- spine is not a flexible curved structure

- with age the water content of the disc decreases

- atlas has no body

- the vertebral canal continues in the sacrum

- symphysis pubis is a cartilaginous joint

- osteoporosis is more common in female

-bones change in shape throughout life

- all facial bones are paired

- the number of facial bones are 16

- cranial bones are 10

- vertebral column is C-shaped at birth

- most joints of the body are synovial joints

IV-Match table A With table B

Table A ( )-clavicle Table B 1- formed of 3 fused bones

( )-femur 2-main bone of the leg

( )-tibia 3-posterior wall of the pelvis

( )-sacrum 4-the longest bone in our body ( )-pelvic bone 5-bone of pectoral girdle

6- bone of the arm

7-bone in the forearm

Table A Table B

( )-Epiphyseal plate a-shaft of long bone

( ) –Diaphysis b-in the temporal bone

( )-Styloid prosess c-area of hyaline cartilage

( )-Atlas d-holds pituitary gland

( )-Sella tursica e-first cervical vertibra

f-bone of face

TableA ( )-clavicle Table B1-formed of three fused bones

( )-femur 2-main bone of the leg

( )-tibia 3-posterior wall of the pelvis

( )-sacrum 4-the longest bone in our body

( )-humerus 5-bone of pectoral girdle

6- bone of the arm

7-bone in the forearm

Table A Table B

( )-clavicle 1- formed of 3 fused bones

( )-femur 2-main bone of the leg ( )-tibia 3-posterior wall of the pelvis ( )-sacrum 4-the longest bone in our body ( )os coxa 5-bone of pectoral girdle

6- bone of the arm

7-bone in the forearm

TableA ( ) clavicle Table B 1- formed of 3 fused bones

( )-femur 2-main bone of the leg

( )-tibia 3-posterior wall of the pelvis

( )-sacrum 4-the longest bone in our body ( )-pelvic bone 5-bone of pectoral girdle

6- bone of the arm

7-bone in the forearm

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