#1
Which zone of the epiphyseal plate contains resting cartilage cells?
Zone of proliferation
Zone of hypertrophy
Zone of resting cartilage
Zone of ossification
#2
What happens in the zone of hypertrophy in the epiphyseal plate?
Cartilage cells divide rapidly
Older cartilage cells enlarge
Ossification occurs
Blood vessels penetrate the area
#3
Which zone of the epiphyseal plate is closest to the diaphysis?
Zone of proliferation
Zone of hypertrophy
Zone of calcification
Zone of ossification
#4
What is the primary function of the epiphyseal plate?
To increase bone length
To repair bone fractures
To provide structural support
To aid in blood cell production
#5
What is the histological composition of the epiphyseal plate?
Hyaline cartilage
Fibrocartilage
Elastic cartilage
Compact bone
#6
Which hormone stimulates bone growth by acting on the epiphyseal plate?
Insulin
Thyroid hormone
Growth hormone
Estrogen
#7
Which zone of the epiphyseal plate is responsible for the actual lengthening of the bone?
Zone of proliferation
Zone of hypertrophy
Zone of calcification
Zone of ossification
#8
Which vitamin is essential for the synthesis of collagen in the epiphyseal plate?
Vitamin A
Vitamin B
Vitamin C
Vitamin D
#9
What is the main structural component of the extracellular matrix in the epiphyseal plate?
Collagen fibers
Elastin fibers
Reticular fibers
Fibrillin fibers
#10
In which zone of the epiphyseal plate do cartilage cells undergo apoptosis?
Zone of proliferation
Zone of hypertrophy
Zone of calcification
Zone of ossification
#11
What role do blood vessels play in the epiphyseal plate?
They provide oxygen and nutrients
They help in bone repair
They trigger apoptosis of cartilage cells
They produce hormones for growth
#12
How does the closure of the epiphyseal plate affect bone growth?
It stops bone growth completely
It slows down bone growth
It has no effect on bone growth
It accelerates bone growth
#13
Which of the following is NOT a function of the epiphyseal plate?
Increase bone length
Repair bone fractures
Provide structural support
Produce red blood cells
#14
Which of the following factors can affect the rate of bone growth at the epiphyseal plate?
Nutrition
Genetics
Hormones
All of the above
#15
What is the term for the process of bone resorption in the epiphyseal plate?
Ossification
Calcification
Chondrification
Remodeling
#16
Which of the following factors can inhibit bone growth at the epiphyseal plate?
Growth hormone
Estrogen
Thyroid hormone
All of the above