#1
Which type of bone is primarily responsible for producing red blood cells?
Flat bones
ExplanationFlat bones primarily produce red blood cells.
#2
Which type of bone marrow contains predominantly fat cells?
Yellow marrow
ExplanationYellow marrow contains predominantly fat cells.
#3
Which bone is commonly referred to as the 'collarbone'?
Clavicle
ExplanationThe clavicle is commonly referred to as the 'collarbone'.
#4
Which bone is the largest and strongest bone in the human body?
Femur
ExplanationThe femur is the largest and strongest bone in the human body.
#5
What is the anatomical name for the shoulder blade?
Scapula
ExplanationThe shoulder blade is anatomically known as the scapula.
#6
Which of the following bones is part of the facial skeleton?
Maxilla
ExplanationThe maxilla is part of the facial skeleton.
#7
What is the basic structural unit of compact bone?
Osteon
ExplanationOsteon is the basic structural unit of compact bone.
#8
Which hormone regulates calcium levels in the blood by stimulating osteoclast activity?
Parathyroid hormone (PTH)
ExplanationParathyroid hormone (PTH) stimulates osteoclast activity to regulate calcium levels in the blood.
#9
What is the main function of osteoclasts?
Bone resorption
ExplanationOsteoclasts are responsible for bone resorption.
#10
Which type of joint allows for the greatest range of motion?
Diarthrosis
ExplanationDiarthrosis joints allow for the greatest range of motion.
#11
Which of the following bones is NOT part of the axial skeleton?
Scapula
ExplanationScapula is not part of the axial skeleton.
#12
What is the function of synovial fluid in a synovial joint?
Reduce friction
ExplanationSynovial fluid in a synovial joint reduces friction.
#13
Which bone disorder is characterized by a decrease in bone mass and density, making bones fragile and more prone to fractures?
Osteoporosis
ExplanationOsteoporosis is characterized by decreased bone mass and density, leading to increased fragility and fracture risk.