#1
Which type of bone is typically found in the human skeleton?
All of the above
ExplanationIncludes flat, long, and irregular bones.
#2
What is the primary function of bone marrow?
Production of blood cells
ExplanationBone marrow is responsible for producing red and white blood cells.
#3
What is the outer membrane covering bones called?
Periosteum
ExplanationPeriosteum provides protection and serves as an attachment point for tendons and ligaments.
#4
What is the medical term for a broken bone?
Fracture
ExplanationFracture refers to any break in a bone.
#5
What is the condition characterized by a reduction in bone density and increased risk of fractures?
Osteoporosis
ExplanationOsteoporosis leads to brittle bones and increased fracture risk.
#6
Which of the following is NOT a function of bones?
Storage of energy
ExplanationWhile bones store minerals, they do not store energy.
#7
Which hormone plays a vital role in regulating calcium levels in the blood?
Parathyroid hormone (PTH)
ExplanationPTH helps to increase calcium levels in the blood.
#8
What is the process of bone healing called?
Fracture repair
ExplanationThe body's natural process of repairing a broken bone.
#9
Which vitamin is essential for calcium absorption in the intestine?
Vitamin D
ExplanationVitamin D helps the body absorb calcium from the diet.
#10
What is the term for the process of bone formation by osteoblasts?
Ossification
ExplanationOssification is the process of bone formation.
#11
Which of the following is NOT a risk factor for osteoporosis?
Regular weight-bearing exercise
ExplanationRegular weight-bearing exercise actually helps strengthen bones.
#12
What type of fracture occurs when the bone breaks into multiple pieces?
Comminuted fracture
ExplanationA comminuted fracture results in the bone fragmenting into multiple pieces.
#13
Which cells are responsible for bone resorption during bone remodeling?
Osteoclasts
ExplanationOsteoclasts break down bone tissue during remodeling.