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WorksheetsGoogle classroom questions
Total questions: 44
Worksheet time: 22mins
Name the two bones of the forearm:
Radius and Ulna
Femur and Tibia
Some synovial joints contain a small sac of synovial fluid between the joint and the tendons that cross over the joint. This structure is called ______:
Bursa
Meniscus
Name the structures of the fetal skull that allow the skull to mold as the baby passes through the birth canal
Fontanelles
Sutures
Define articulation
A joint; where two bones meet
The process of muscle contraction
What is the name of the joint that joins the two pubic bones together?
Pubic symphysis
Sacral joint
What is the main shaft of a long bone called
Diaphysis
Epiphysis
What is the name of the bone of the forehead
Frontal bone
Parietal bone
Name the two bones that compose the shoulder girdle
Clavicle and Scapula
Humerus and Radius
Is the pubic angle wider in a male or female
Female
Male
What is the name of the subtype of fibrous joints found only in the skull?
Sutures
Ligaments
Name the bone that articulates with the temporal bone in the only movable joint of the skull:
Mandible
Maxilla
Name the three parts of the sternum and describe the location of each:
Manubrium,
Body, Xiphoid process
Spine, scapula, clavicle
The ends of long bones are called the ______:
Epiphyses
Diaphyses
Is osteoarthritis an autoimmune disease?
No
Yes
Define Haversian canal
A central canal in compact bone that contains blood vessels and nerves
A tube that connects joints
What is the name of the disease that causes brittle bones?
Osteoporosis
Scoliosis
What is another name for a growth plate?
Epiphyseal plate
Medullary cavity
Name the bones in the leg
Femur, Tibia, Fibula, Patella
Humerus, Radius, Ulna
What is an immovable joint called?
Synarthrosis
Diarthrosis
The human skeletal system consists of two divisions, name them
Axial and Appendicular
Cranial and Facial
What are some of the causes of osteoporosis
Aging
Hormonal changes
Lack of calcium/vitamin D
Excessive protein intake alone
Identify some examples of hinge joints
Elbow, knee, finger joints
Shoulder, hip
List the functions of the skeletal system
Support
Protection
Movement
Mineral storage
Blood cell production
Digest food
Pump blood
Which joints are capable only of side-to-side and back-and-forth movements with only slight rotation?
Gliding (plane) joints
Ball-and-socket joints
What is the name for ribs that do not attach to costal cartilage?
Floating ribs
True ribs
What are bone-forming cells called?
Osteoblasts
Osteoclasts
What function do the sex hormones estrogen and testosterone have on bone growth and maintenance?
They stimulate bone growth and help maintain bone density
They break down bone tissue
How do nutrients pass from the blood vessels to the bone cells?
Through canaliculi connecting osteocytes to blood vessels in Haversian canals
Direct absorption through compact bone matrix
Name some examples of short bones:
Carpals, tarsals
Femur, humerus
Spongy bone is characterized by
A porous, lattice-like structure called trabeculae
Dense, solid matrix with no spaces
Define synergists:
Muscles that assist the prime mover in performing a movement
Muscles that oppose the action of other muscles
Define sarcomeres
The basic contractile units of striated muscle fibers, found between two Z-lines
Storage compartments for calcium in muscle cells
What happens to the diaphragm during inhalation?
It contracts and moves downward, increasing thoracic cavity volume
It relaxes and moves upward
What action is provided by the contraction of both sternocleidomastoid muscles?
Flexion of the neck
Rotation of the trunk
The attachment of the muscle to the less movable bone is called?
Origin
Insertion
Which part of the brain is responsible for balance and coordination?
Cerebellum
Cerebrum
Even when we are not moving, our muscles are in a state of partial contraction that gives us ______:
Muscle tone
Muscle fatigue
What is the purpose of creatine phosphate in muscle contraction?
It quickly regenerates ATP from ADP for short bursts of energy
It stores oxygen in the muscle
List the causes that may cause skeletal variations
Genetics
Age
Nutrition
Physical activity
Liver enzyme production
Lung capacity
What is the immediate source of energy for muscle contractions?
ATP
Glycogen
The depletion of ATP results in weaker contractions and what?
Muscle fatigue
Increased strength
When you shrug your shoulders, which muscle is responsible for this action?
Trapezius
Deltoid
What attaches muscle to bone?
Tendons
Ligaments
What is the contracting unit of a muscle?
Sarcomere
Myofibril
