#1
What is the main function of the skeletal system?
Movement
ExplanationSupports and facilitates body movement.
#2
What is the process of bone formation called?
Ossification
ExplanationOssification is the development and hardening of bone tissue.
#3
What is the anatomical name for the thigh bone?
Femur
ExplanationThe femur is the long bone of the thigh.
#4
Which bones make up the forearm?
Radius and ulna
ExplanationThe radius and ulna are the forearm bones supporting wrist and hand movement.
#5
What is the primary mineral component of bone tissue?
Calcium
ExplanationCalcium is a crucial mineral for the strength and hardness of bones.
#6
Which type of bone cells are responsible for bone resorption?
Osteoclasts
ExplanationOsteoclasts break down bone tissue for remodeling and calcium regulation.
#7
What is the medical term for the collarbone?
Clavicle
ExplanationThe clavicle is the bone connecting the shoulder and chest.
#8
Which type of joint allows for the greatest range of motion?
Ball-and-socket joint
ExplanationBall-and-socket joints provide a wide range of rotational movement.
#9
Which of the following is not a component of the axial skeleton?
Pelvic girdle
ExplanationThe pelvic girdle is part of the appendicular skeleton.
#10
Which type of joint is found between the carpal bones of the wrist?
Gliding joint
ExplanationGliding joints allow sliding movements between adjacent bones.
#11
Which hormone plays a key role in regulating calcium levels in the blood?
Parathyroid hormone (PTH)
ExplanationPTH helps maintain calcium balance by stimulating bone resorption.
#12
What is the function of the yellow bone marrow?
Fat storage
ExplanationYellow bone marrow stores fat and serves as an energy reserve.
#13
In which part of a long bone would you find the epiphyseal plate?
Metaphysis
ExplanationThe epiphyseal plate is in the metaphysis, supporting bone growth.
#14
What is the primary function of red bone marrow?
Blood cell formation
ExplanationRed bone marrow produces blood cells through hematopoiesis.
#15
What is the function of the synovial fluid in joints?
To lubricate and nourish the joint
ExplanationSynovial fluid reduces friction and provides nutrients to joints.