Exam 2:Bio117 Exam 2: Hondros Bio 117 Exam 2(Lectures 5 – 9) Questions & Answers

Exam 2:Bio117 Exam 2: Hondros Bio 117 Exam 2(Lectures 5 – 9)
Questions & Answers

What are the two major divisions of the skeletal system? - ANSWER:axial skeleton and appendicular
skeleton

The skull, spine, sternum, and ribs are part of what division of the skeletal system? - ANSWER:Axial

The girdles, arms, and legs are part of what division of the skeletal system? - ANSWER:Appendicular

The tympanic cavity is located in the... - ANSWER:Ear

What part of the skull contains the ossicles - ANSWER:Tympanic Cavity

These bones of the skull; frontal, ethmoidal, sphenoidal, and maxillary are called the... -
ANSWER:Paranasal Sinuses

Another name for the spine is... - ANSWER:Vertebral Column

The vertebral column consists of how many regions? - ANSWER:5 regions

The 5 regions of the spine are... - ANSWER:1. Cervical Vertebrae 2. Thoracic Vertebrae, 3. Lumbar
Vertebrae, 4. Sacrum, 5. Coccyx

The Cervical Vertebrae consists of how many bones? - ANSWER:7

The Thoracic Vertebrae consists of how many bones? - ANSWER:12

The Lumbar Vertebrae consists of how many bones? - ANSWER:5

The Sacrum consists of how many bones? - ANSWER:1 sacrum in the vertebral column ; consists of 5
bones

The Coccyx consists of how many bones? - ANSWER:1 coccyx in the vertebral column ; consists of 4
bones.

The special cartilage discs which helps protect each vertebrae are called... - ANSWER:Intervertebral discs

How many pairs of ribs are there - ANSWER:12

Ribs are connected to sternum by - ANSWER:costal cartilage

The ribs are connected to what part of the vertebral column? - ANSWER:Thoracic

What are the four regions of the sternum? - ANSWER:1. Manubrium 2. Body 3. Sternomanubrial joint 4.
Xiphoid process

Ribs 1-7 are called - ANSWER:true ribs

Ribs 8-10 are called - ANSWER:false ribs

Ribs 11 and 12 are called - ANSWER:floating ribs

,What are the two Girdles of the appendicular skeleton that are responsible for attachment of the arms
and legs? - ANSWER:Pectoral and Pelvic

Which bones make up the pectoral girdle? - ANSWER:clavicle and scapula

Is the sacrum part of the pelvic girdle or the vertebral column? - ANSWER:Vertebral column

What bones make up the pelvic girdle? - ANSWER:ilium, ischium, pubis

Where do you find long bones? - ANSWER:In the appendicular skeleton / arms and legs

Bone is a form of connective tissue, specifically ____________________ tissue ? - ANSWER:Osseous
tissue

The process of bone formations is called - ANSWER:Ossification

The matrix of osseous tissue is made up of 3 main things: - ANSWER:1. Calcium 2. Phosphate 3. Collagen

Osteo means? - ANSWER:Bone

What matures bone cells? - ANSWER:osteocytes

What build up bone? - ANSWER:osteoblasts

What breaks down bone? - ANSWER:osteoclasts

Where do we find bone marrow - ANSWER:Inside the bones

Red bone marrow makes - ANSWER:red blood cells

Red bone marrow in the ____________________ part of the bone. - ANSWER:Epiphysis

The epiphysis (part of the long bone) is protected by... - ANSWER:Spongy bone

Yellow bone marrow stores... - ANSWER:adipose tissue (fat)

Yellow bone marrow is found in the _______________________ part of the bone - ANSWER:Diaphysis

Diaphysis (part of long bone) is protected by... - ANSWER:Compact bone

Two main types of freely movable joints - ANSWER:1. Ball-and-socket joints 2. Hing joints

Examples of ball-and-socket joints are - ANSWER:shoulder and hip

Examples of hinge joints are - ANSWER:elbow and knee

The immovable joints of the skull are called - ANSWER:sutures

_______________ are where two bones come together - ANSWER:Joints

Joints can be classified by - ANSWER:Immovable and freely movable

This fluid lubricates the bones in the joints, decreasing friction. - ANSWER:Synovial fluid

What did the sutures in the skull used to be - ANSWER:Fontanelles

, What tissue is found filling the epiphysis of long bones? - ANSWER:Red Bone Marrow

What is the tube called that connects our throat to the middle ear? - ANSWER:Eustachian Tube

Carpals are to wrist as tarsals are to: - ANSWER:Ankle

Ribs 8, 9, and 10 are classified as? - ANSWER:False Ribs

Intercostal means: - ANSWER:In between the ribs

Which bone refers to our "lower jaw"? - ANSWER:Mandible

Which bone refers to our "cheek bones" - ANSWER:Zygomatic

Ribs 11 and 12 are classified as? - ANSWER:Floating Ribs

The zygomatic is considered what type of bone? - ANSWER:Facial bone

What bone is located on the posterior part of the skull? - ANSWER:Occipital

What makes our bones strong and sturdy? - ANSWER:Collagen

Adipose tissue is located in which region on the long bone? - ANSWER:Diaphysis

Which region of the coxa is most anterior? - ANSWER:Pubis

Where would I find the fibula? - ANSWER:Shin (lower leg)

The cell that "breaks down" bone, putting calcium into the blood is an: - ANSWER:Osteoclast

When our long bones "ossify their epiphyseal plates", this means what? - ANSWER:We are finished
growing

Immovable joints are found where - ANSWER:In the Skull

Where do we find articular cartilage? - ANSWER:At the ends of our bones

Is synovial fluid found at all joints? - ANSWER:No.

Actions of Ball-and-socket joints can do - ANSWER:Extension, abduction, and circumduction

Hinge and ball-and-socket joints can BOTH do which motions? - ANSWER:Flexion and Extension

Is the mandible part of the axial or appendicular skeleton? - ANSWER:Axial

Is the humerus part of the axial or appendicular skeleton? - ANSWER:appendicular skeleton

Is the femur part of the axial or appendicular skeleton? - ANSWER:Appendicular

Is the sacrum part of the axial or appendicular skeleton? - ANSWER:Axial

Is the radius part of the axial or appendicular skeleton? - ANSWER:Appendicular

Is the clavicle part of the axial or appendicular skeleton? - ANSWER:Appendicular

Is the tibia part of the axial or appendicular skeleton? - ANSWER:Appendicular