UTA A&P 1 EXAM PAPER 2025/2026 QUESTIONS WITH
SOLUTIONS GRADED A+
✔✔In which zone do cartilage cells undergo mitosis while at the epiphyseal plate?
a) Proliferation
b) Calcification
c) Hypertrophic
d) Ossification - ✔✔a) Proliferation
✔✔In which zone does old cartilage cells begin to enlarge?
a) Ossification zone
b) Proliferation zone
c) Calcification zone
d) Hypertrophic zone - ✔✔d) Hypertrophic zone
✔✔Spongy bone is replaced roughly every ___ years, while compact bone is replaced
roughly every ____ years.
a) 5; 10
b) 2; 9
c) 4; 9
d) 3; 10 - ✔✔d) 3; 10
✔✔The process of calcifying chondrocytes to form a bone is called?
a) Ossification
b) Osteogenesis
c) Canaliculi
d) Elongation - ✔✔a) Ossification
✔✔What allows osteocytes to communicate with each other and transmit nutrients and
wastes?
a) Osteons
b) Canaliculi
c) Lamellae
d) Haversian Canal - ✔✔b) Canaliculi
✔✔What does each osteon consist of?
a) canaliculi
b) lamellae
c) Haversian canal
d) all of the above - ✔✔d) all of the above
✔✔What happens to chondrocytes in endochondral ossification?
a) They are transformed into osteocytes.
b) Periosteum is formed.
, c) They die in the calcified matrix that surrounds them and form the medullary cavity.
d) They group together and form the primary ossification center. - ✔✔c) They die in the
calcified matrix that surrounds them and form the medullary cavity.
✔✔What happens when blood calcium gets too low?
a) PTH causes osteoclasts to release Ca from bone
b) Calcitonin causes osteoclasts to release Ca from bone
c) Calcitonin causes osteoblasts to release Ca from bone
d) PTH causes osteoblasts to release Ca from bone - ✔✔a) PTH causes osteoclasts to
release Ca from bone
✔✔What is a risk factor for osteoporosis?
a) Hormonal disorders
b) If you are a premenopausal women
c) insufficient exercise
d) Both A and C - ✔✔d) Both A and C
✔✔What is NOT a characteristic of osteocytes?
a) Occupy lacunae
b) Monitor and maintain the bone matrix
c) Form bone by secreting bone matrix
d) Mature from osteoblasts after bone matrix is fully formed - ✔✔c) Form bone by
secreting bone matrix
✔✔What is the difference between bone deposition and bone resorption?
a) Bone is deposited by osteoclasts and is reabsorbed by osteoclasts.
b) Bone deposition is the process of forming new bone, bone resorption is the process
of breaking down old bone.
c) Both bone deposition and resorption bring in Ca into the bone.
d) All are correct. - ✔✔b) Bone deposition is the process of forming new bone, bone
resorption is the process of breaking down old bone.
✔✔What is the epiphyseal line?
a) the location where cartilage used to be formed into bone
b) the actively elongating medullary cavity
c) the location where bone is being actively added on
d) the interior of the bone containing nerves and blood vessels - ✔✔a) the location
where cartilage used to be formed into bone
✔✔What is the most common bone fracture found in a child?
a) Spiral
b) Greenstick
c) Comminuted
d) Linear - ✔✔b) Greenstick
SOLUTIONS GRADED A+
✔✔In which zone do cartilage cells undergo mitosis while at the epiphyseal plate?
a) Proliferation
b) Calcification
c) Hypertrophic
d) Ossification - ✔✔a) Proliferation
✔✔In which zone does old cartilage cells begin to enlarge?
a) Ossification zone
b) Proliferation zone
c) Calcification zone
d) Hypertrophic zone - ✔✔d) Hypertrophic zone
✔✔Spongy bone is replaced roughly every ___ years, while compact bone is replaced
roughly every ____ years.
a) 5; 10
b) 2; 9
c) 4; 9
d) 3; 10 - ✔✔d) 3; 10
✔✔The process of calcifying chondrocytes to form a bone is called?
a) Ossification
b) Osteogenesis
c) Canaliculi
d) Elongation - ✔✔a) Ossification
✔✔What allows osteocytes to communicate with each other and transmit nutrients and
wastes?
a) Osteons
b) Canaliculi
c) Lamellae
d) Haversian Canal - ✔✔b) Canaliculi
✔✔What does each osteon consist of?
a) canaliculi
b) lamellae
c) Haversian canal
d) all of the above - ✔✔d) all of the above
✔✔What happens to chondrocytes in endochondral ossification?
a) They are transformed into osteocytes.
b) Periosteum is formed.
, c) They die in the calcified matrix that surrounds them and form the medullary cavity.
d) They group together and form the primary ossification center. - ✔✔c) They die in the
calcified matrix that surrounds them and form the medullary cavity.
✔✔What happens when blood calcium gets too low?
a) PTH causes osteoclasts to release Ca from bone
b) Calcitonin causes osteoclasts to release Ca from bone
c) Calcitonin causes osteoblasts to release Ca from bone
d) PTH causes osteoblasts to release Ca from bone - ✔✔a) PTH causes osteoclasts to
release Ca from bone
✔✔What is a risk factor for osteoporosis?
a) Hormonal disorders
b) If you are a premenopausal women
c) insufficient exercise
d) Both A and C - ✔✔d) Both A and C
✔✔What is NOT a characteristic of osteocytes?
a) Occupy lacunae
b) Monitor and maintain the bone matrix
c) Form bone by secreting bone matrix
d) Mature from osteoblasts after bone matrix is fully formed - ✔✔c) Form bone by
secreting bone matrix
✔✔What is the difference between bone deposition and bone resorption?
a) Bone is deposited by osteoclasts and is reabsorbed by osteoclasts.
b) Bone deposition is the process of forming new bone, bone resorption is the process
of breaking down old bone.
c) Both bone deposition and resorption bring in Ca into the bone.
d) All are correct. - ✔✔b) Bone deposition is the process of forming new bone, bone
resorption is the process of breaking down old bone.
✔✔What is the epiphyseal line?
a) the location where cartilage used to be formed into bone
b) the actively elongating medullary cavity
c) the location where bone is being actively added on
d) the interior of the bone containing nerves and blood vessels - ✔✔a) the location
where cartilage used to be formed into bone
✔✔What is the most common bone fracture found in a child?
a) Spiral
b) Greenstick
c) Comminuted
d) Linear - ✔✔b) Greenstick
