#1
Which type of connective tissue provides a smooth surface for joint movement?
Cartilage
ExplanationCartilage provides a smooth surface for joint movement.
#2
Which type of cartilage is found in the external ear and epiglottis?
Elastic cartilage
ExplanationElastic cartilage is found in the external ear and epiglottis.
#3
In endochondral ossification, what is the primary template for bone formation?
Hyaline cartilage
ExplanationHyaline cartilage is the primary template for bone formation in endochondral ossification.
#4
What is the role of chondrocytes in cartilage tissue?
Produce and maintain cartilage matrix
ExplanationChondrocytes in cartilage tissue produce and maintain the cartilage matrix.
#5
Which hormone is responsible for stimulating osteoclast activity in bone remodeling?
Parathyroid hormone
ExplanationParathyroid hormone stimulates osteoclast activity in bone remodeling.
#6
What is the primary component of cartilage that gives it its flexibility and resilience?
Collagen
ExplanationCollagen is the primary component of cartilage, providing flexibility and resilience.
#7
In long bones, what is the central cavity filled with marrow called?
Medullary cavity
ExplanationThe central cavity filled with marrow in long bones is called the medullary cavity.
#8
What is the purpose of the periosteum in bones?
Protect the bone surface
ExplanationThe periosteum protects the bone surface.
#9
Which hormone plays a crucial role in bone density regulation?
Estrogen
ExplanationEstrogen plays a crucial role in bone density regulation.
#10
What is the function of synovial fluid in joints?
Reduce friction
ExplanationSynovial fluid in joints helps reduce friction.
#11
Which bone serves as a protective enclosure for the brain?
Cranium
ExplanationThe cranium serves as a protective enclosure for the brain.
#12
What is the function of osteoclasts in bone remodeling?
Break down bone tissue
ExplanationOsteoclasts break down bone tissue during bone remodeling.
#13
What is the structural unit of compact bone?
Osteon
ExplanationThe osteon is the structural unit of compact bone.
#14
Which vitamin is essential for calcium absorption in the intestines?
Vitamin D
ExplanationVitamin D is essential for calcium absorption in the intestines.
#15
What is the primary function of red bone marrow?
Blood cell production
ExplanationThe primary function of red bone marrow is blood cell production.