#1
Which vitamin is essential for bone health?
Vitamin D
ExplanationVitamin D aids in calcium absorption for bone strength.
#2
What is the primary mineral component of bones?
Calcium
ExplanationCalcium provides structural integrity to bones.
#3
What is the medical term for a broken bone?
Fracture
ExplanationA fracture is a break in a bone.
#4
Which of the following foods is a good source of vitamin K, beneficial for bone health?
Spinach
ExplanationSpinach contains vitamin K which aids in bone health.
#5
Which hormone plays a role in regulating calcium levels in the blood and is produced by the thyroid gland?
Calcitonin
ExplanationCalcitonin lowers blood calcium levels by promoting bone formation.
#6
What is osteoporosis?
A condition where bones become weak and brittle
ExplanationOsteoporosis causes bones to lose density and become fragile.
#7
What hormone regulates calcium levels in the blood and bone metabolism?
Parathyroid hormone
ExplanationParathyroid hormone maintains calcium balance in the body.
#8
What is the name of the bone-forming cells responsible for bone growth and repair?
Osteoblasts
ExplanationOsteoblasts build and repair bone tissue.
#9
What condition results from a deficiency of vitamin D in children?
Rickets
ExplanationRickets causes soft and weak bones.
#10
What is the process called by which bone tissue is broken down by cells called osteoclasts?
Resorption
ExplanationResorption is the breakdown of bone tissue.
#11
What lifestyle factor can contribute to poor bone health?
Sedentary lifestyle
ExplanationLack of physical activity weakens bones.
#12
Which of the following is NOT a risk factor for osteoporosis?
High body weight
ExplanationHigh body weight is not a risk factor for osteoporosis.
#13
What is the name of the bone disorder characterized by softening and weakening of bones due to inadequate mineralization?
Osteomalacia
ExplanationOsteomalacia results in weak and soft bones.
#14
Which of the following is NOT a function of bones?
Regulation of body temperature
ExplanationBones do not regulate body temperature.
#15
What is the name of the process by which bones are formed from cartilage models during development?
Ossification
ExplanationOssification is the process of bone formation from cartilage models.