Connective Tissue and Its Complexities

What is the most common visible piercing in the US?

• Nose

• Belly button

• Earlobe

• Helix

Which type of tissue is not considered a connective tissue?

• Bone

• Cartilage

• Nervous tissue

• Blood

What is the primary protein found in connective tissue fibers?

• Keratin

• Collagen

• Actin

• Elastin

Which connective tissue type is known for storing lipids?

• Cartilage

• Adipose tissue

• Bone

• Lymph

What is the main function of articular cartilage?

• To connect muscles to bones

• To reduce friction in joints

• To provide elasticity

• To store energy

Which type of cartilage is most elastic?

• Articular cartilage

• Elastic cartilage

• Fibrous cartilage

• Hyaline cartilage

What is a common issue with the meniscus in the knee?

• It can easily repair itself

• It is prone to tears

• It is not important for knee function

• It is made entirely of bone

What innovative method did researchers at the University of Pennsylvania develop for cartilage repair?

• Using metal implants

• Using electrical stimulation

• Injecting collagen directly

• Creating a scaffold with chemicals

What is the role of the enzyme used in the new cartilage repair method?

• To harden the matrix

• To attract stem cells

• To provide nutrients

• To loosen the dense matrix

What is the purpose of the growth factor in the new cartilage repair technique?

• To remove damaged cells

• To provide elasticity

• To attract stem cells

• To harden the matrix