Chapter 3 Flashcards
The adult human has _____ bones.
206
Which of the following is NOT a function of bone?
Filtration of wastes from the blood
About ____ of the bone tissue in the body is compact.
75%
Which of the following is an example of a sesamoid bone?
Patella
A vertebrae is which type of bone?
Irregular
Which of the following is an example of a flat bone?
Sternum
The shaft of a long bone is known as which of the following?
Diaphysis
The hard outer shell that surrounds a typical bone is known as which of the following?
Periosteum
Minerals account for what percentage of the dry weight of bone?
60% to 70%
Which type of fracture, usually seen in the leg, results from repetitive mechanical stress on the microtrabecular structure of bone caused by jarring?
Stress
Which skull bone covers the back of the head?
Occipital
Which bone is known as the jawbone?
Mandible
The spine consists of how many vertebrae?
33 (c:7, t:12, l:5, sacrum:5, coccygeal:3-4)
The vertebrae in the back of the neck are known as which of the following?
Cervical
The S-shaped bone below the neck, along the front of the shoulder, is which of the following?
Clavicle
_____ bone tissue is less dense, with bone spicules surrounded by spaces filled with red marrow.
Spongy
The presence of _____ gives bone its flexibility and resilience.
Collagen fibers
The bone-forming process is called:
Ossification
The ____ skeleton consists of the skull, vertebrae, ribs, and sternum
Axial
The ___ and ____ form the skeletal structure of the forearm
Radius and ulna
The scaphoid, lunate, and hamate bone, along with others, are known as the ____ bones.
Carpal
A ____ cavity is a closed, fluid filled sac found in some joints.
Synovial
_____, the thick connective tissue that connects muscle to bone, help stabilize, support, and limit the range of motion of the joint as they pass across it.
Tendon
_____ is the movement in the anterior/posterior plane that reduces the angle between the articulating bones.
Flexion
____ is the movement of an articulating bone of a joint along the frontal/coronal plane away from the longitudinal axis of the body.
Abduction
True or False? Compact bone always surrounds spongy bone.
True
True or False? Bone is a form of connective tissue.
True
True or False? The femur is the longest and heaviest bone in the body.
True
True or False? In fibrous joints, a fluid-filed cavity serves as a cushion between the bone ends.
False
True or False? A synarthrosis is a freely movable joint.
False
True or False? The movement in which you jut your jaw out, moving it anteriorly, is known as retraction.
False
True or False? The temporomandibular joint is used for chewing, swallowing, respiration, and speech.
True
True or False? The sternoclavicular joint is also known as the shoulder joint.
False
True or False? The glenohumeral joint is the most freely moveable joint in the body.
True
True or False? The knee joint is a hinge joint.
True
