29 Questions
What is the function of connective tissue in the body?
To bind, support, and strengthen other body tissues
Where is connective tissue NOT found in the body?
On body surfaces
Which of the following connective tissues is highly vascular?
Blood
What are the components of connective tissue?
Extracellular matrix and cells
What does ECM stand for in the context of connective tissues?
Extracellular Matrix
Which part of connective tissue largely dictates its qualities?
Protein Fibres
What is the main difference between cartilage and bone ECM?
Cartilage ECM is soft and flexible, while bone ECM is hard and inflexible.
Which components make up the ground substance in connective tissue ECM?
Water, proteins, and polysaccharides
What do Glycosaminoglycans (GAGS) consist of?
Repeating disaccharide units with amino and uronic sugars
Which of the following is an example of a sulphated GAG?
Keratan sulphate
How does Hyaluronic acid differ from other GAGs?
It is not sulphated like other GAGs.
What is the composition of Proteoglycans (PGs)?
Core protein + Glycosaminoglycan (GAG)
Which type of connective tissue fibre is composed of collagen with a coating of glycoprotein?
Reticular fibres
What is the hereditary defect usually resulting from a dominant mutation in a gene on chromosome 15?
Marfan Syndrome
Which type of connective tissue fibre is thinner than collagen fibres and can be stretched without breaking?
Elastic fibres
What are the features of collagen fibres that vary in different tissues?
Thickness
What is the most abundant protein in the body, constituting about 25% of the body's proteins?
Collagen
Where are reticular fibres commonly found as part of the extracellular matrix?
In nerve tissues
What is the structure/location of Dense Regular Connective Tissue?
Located in tendons, ligaments, and aponeuroses
Which connective tissue type is known for its shiny white appearance and slow healing?
Dense Regular Connective Tissue
Where can you find Hyaline Cartilage in the body?
Respiratory cartilage like the nose and trachea
What is the main function of Elastic and Fibrocartilage in the body?
Flexibility and movement
Which type of bone tissue forms the outer layer of bones and makes up the shaft of long bones?
Compact Bone
What is the main function of hyaluronic acid in the body?
Maintain the shape of the eyeball and lubricate joints
Which substance is responsible for supporting and providing adhesive features to cartilage, bone, and skin?
Chondroitin Sulfate
What is the role of hyaluronidase in the body?
Lubricate joints and move cells more easily
Which glycosaminoglycan is found in bone, cartilage, and the cornea of the eye?
Keratan Sulfate
Exophthalmos (abnormal protrusion of the eyeball) is caused by:
Autoimmune action on fibroblasts in ECM of the eye
What does the ECM consist of?
Ground Substance and Fibres
Test your knowledge on the features and functions of connective tissues, including how they bind, support, and transport within the body. Explore the differences between connective tissues and epithelial tissues, along with their vascular nature and energy storage capabilities.
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