Cartilage Quiz

What is the function of cartilage in the body?

• Digestion of food

• Formation of hair follicles

• Production of red blood cells

• Support of soft tissues

Which type of collagen provides tensile strength and durability to cartilage?

• Type V collagen

• Type IV collagen

• Type III collagen

• Type I collagen

Where are chondroblasts located in cartilage?

• Deeply situated and rounded

• Inner cellular layer of perichondrium

• Outer fibrous layer of perichondrium

• Within the lacunae

Which type of cartilage is found in the ear pinna and epiglottis?

• Hyaline cartilage

• Elastic cartilage

• Fibrous cartilage

• White fibrocartilage

What is the function of articular cartilage in joints?

• Absorbing shock at the joint

• Producing hormones

• Regulating body temperature

• Transporting oxygen

What is the main component of articular cartilage that provides tensile strength?

• Proteoglycans

• Water

• Collagen

• Chondrocytes

Which region of articular cartilage contains collagen fibrils aligned with the axis of tension?

• Superficial zone

• Middle zone

• Deep zone

• Tidemark

What is the function of proteoglycans in articular cartilage?

• Provide tensile strength

• Trap water and give resiliency

• Produce lubricin

• Encrust chondrocytes with apatite salts

What is the main function of water in articular cartilage?

• Forming chondroblasts

• Producing collagen

• Encrusting chondrocytes

• Transporting nutrients

What is the term for the progressive strain or deformation of material when exposed to constant load over time?

• Creep

• Viscoelasticity

• Permeability

• Stress relaxation