#1
Which type of bone is the femur?
Long bone
ExplanationThe femur is a long bone, characterized by its elongated shaft.
#2
What is the function of red bone marrow?
Production of red blood cells
ExplanationRed bone marrow plays a crucial role in the production of red blood cells, essential for oxygen transport.
#3
Which bone forms the forehead?
Frontal bone
ExplanationThe frontal bone is responsible for forming the forehead in the human skull.
#4
What is the main component of bone matrix?
Calcium phosphate
ExplanationCalcium phosphate is the primary component of the bone matrix, providing strength and rigidity.
#5
Which bone is commonly known as the collarbone?
Clavicle
ExplanationThe clavicle is commonly known as the collarbone, connecting the shoulder and chest.
#6
Which of the following is not a function of the skeletal system?
Transport
ExplanationTransport is not a primary function of the skeletal system, which mainly provides support, protection, and blood cell production.
#7
What type of joint is the elbow joint?
Hinge joint
ExplanationThe elbow joint is a hinge joint, allowing movement primarily in one direction.
#8
Which bone articulates with the scapula at the glenoid cavity?
Humerus
ExplanationThe humerus articulates with the scapula at the glenoid cavity, forming the shoulder joint.
#9
What is the term for the bone-forming cells?
Osteoblasts
ExplanationOsteoblasts are the cells responsible for bone formation and the synthesis of the bone matrix.
#10
Which bone is not part of the axial skeleton?
Femur
ExplanationThe femur is not part of the axial skeleton; it belongs to the appendicular skeleton.
#11
What is the purpose of the periosteum?
To supply blood to the bone
ExplanationThe periosteum is essential for supplying blood to the bone, facilitating nutrient exchange and healing.
#12
Which joint is formed by the articulation between the atlas and the axis vertebrae?
Atlantoaxial joint
ExplanationThe articulation between the atlas and the axis vertebrae forms the Atlantoaxial joint, allowing for head rotation.
#13
Which of the following bones is not part of the cranial vault?
Maxilla
ExplanationThe maxilla is not part of the cranial vault; it is a facial bone.
#14
Which of the following bones is not part of the appendicular skeleton?
Sternum
ExplanationThe sternum is not part of the appendicular skeleton; it is a central bone in the axial skeleton.
#15
Which bone forms the majority of the base of the skull?
Sphenoid bone
ExplanationThe sphenoid bone forms the majority of the base of the skull, contributing to its structural integrity.