AIgo NotesQuiz for:
Key Points on Bone Tissue and Its Dynamics
Question 17
What additional nutrient besides calcium is essential for absorbing calcium in bones?
A.Vitamin C.
B.Vitamin A.
C.Vitamin D.
D.Vitamin K.
Question 1
What characteristic of bone tissue is explained in the video?
A.It's only associated with death.
B.It's a dead and static tissue.
C.It's living and continuously remodeling.
D.It's primarily composed of fat tissue.
Question 2
What is compact bone?
A.The dense outer portion of all bones.
B.The inner core of bones.
C.The flexible portion of bones.
D.The space where bone marrow is found.
Question 3
What microscopic structure is crucial for compact bone strength?
A.Spiral tunnels.
B.Solid blocks.
C.Osteons.
D.Predictable fractures.
Question 4
What role do osteocytes play in bone tissue?
A.Building new bone tissue.
B.Breaking down old bone tissue.
C.Maintaining bone tissue by exchanging nutrients with the blood.
D.Filtering waste products for the entire skeleton.
Question 5
What is an osteon composed of?
A.Linear strands.
B.Randomly scattered cells.
C.Concentric Rings or circular plates.
D.Flexible layers of fat.
Question 6
What gives bone its hard characteristics?
A.Presence of fat cells.
B.Hydroxyapatite.
C.Lack of blood flow.
D.Greater space for marrow.
Question 7
What is the primary component for bone strength that hydroxyapatite provides?
A.Compressive strength.
B.Brittle surface.
C.Flexibility.
D.Easily bendable nature.
Question 8
What is the main protein that contributes to bone's tensile strength?
A.Keratin.
B.Collagen.
C.Elastin.
D.Albumin.
Question 9
What condition results from improper collagen and hydroxyapatite ratio leading to soft bones?
A.Osteoporosis.
B.Arthritis.
C.Osteomalacia.
D.Scoliosis.
Question 10
What condition causes bones to become brittle due to lack of collagen?
A.Osteoporosis.
B.Rickets.
C.Osteogenesis imperfecta.
D.FIBD.
Question 11
What is the structure beneath compact bone called?
A.Elastic bone.
B.Spongy bone.
C.Pressed bone.
D.Shapeless bone.
Question 12
What role does red bone marrow play?
A.Enhance flexibility.
B.Produce blood cells.
C.Store adipose tissue.
D.Reduce bone density.
Question 13
What are the two main processes affecting bone density explained in the video?
A.Rapid height growth and bone lengthening.
B.Osteoclasts breaking down and osteoblasts building up bone tissue.
C.Bone elongation and contraction.
D.Shedding and renewing entirely each month.
Question 14
How does exercise influence bone health according to the video?
A.It increases fat deposition in bones.
B.It enhances osteoclast activity exclusively.
C.It stimulates osteoblast activity, increasing bone density.
D.It has minimal impact compared to dietary choices.
Question 15
What happens to bone density when astronauts are in space?
A.It increases due to extra pressure.
B.Osteoblasts deactivate entirely.
C.Osteoclasts resorb more bone, reducing bone density by up to 20%.
D.It stays unchanged by gravity.
Question 16
What hormonal change can lead to osteoporosis in women after menopause?
A.Increase in serotonin levels.
B.Decrease in estrogen, leading to less inhibition of osteoclasts.
C.Surge in insulin production.
D.Drop in testosterone levels.
Question 17
What additional nutrient besides calcium is essential for absorbing calcium in bones?
A.Vitamin C.
B.Vitamin A.
C.Vitamin D.
D.Vitamin K.
Question 1
What characteristic of bone tissue is explained in the video?
A.It's only associated with death.
B.It's a dead and static tissue.
C.It's living and continuously remodeling.
D.It's primarily composed of fat tissue.