#1
Which of the following is a characteristic of dense irregular connective tissue?
Highly organized collagen fibers arranged in parallel bundles
Loosely arranged collagen fibers in multiple directions
Consists mainly of adipocytes
Contains a dense network of elastic fibers
#2
Where is dense irregular connective tissue commonly found?
In tendons and ligaments
In the dermis of the skin
In bone marrow
In adipose tissue
#3
In which layer of the skin is dense irregular connective tissue primarily located?
Epidermis
Dermis
Hypodermis
Stratum corneum
#4
What is the main component of the extracellular matrix in dense irregular connective tissue?
Glycosaminoglycans (GAGs)
Collagen fibers
Elastin fibers
Reticular fibers
#5
Which type of collagen is predominantly found in dense irregular connective tissue?
Type I collagen
Type II collagen
Type III collagen
Type IV collagen
#6
What is the primary function of dense irregular connective tissue?
To provide support and attachment
To store energy in the form of fat
To transport oxygen
To contract and generate movement
#7
Which cell type is commonly found in dense irregular connective tissue and is responsible for producing extracellular matrix components?
Osteocyte
Adipocyte
Fibroblast
Chondrocyte
#8
What is the structural difference between dense irregular and dense regular connective tissue?
Dense irregular has fibers arranged in a regular pattern while dense regular has fibers arranged irregularly.
Dense irregular has more cells than dense regular tissue.
Dense irregular has a denser extracellular matrix compared to dense regular tissue.
Dense irregular has fibers arranged in multiple directions while dense regular has fibers arranged in parallel bundles.
#9
Which of the following statements about the blood supply of dense irregular connective tissue is true?
It is highly vascularized.
It has a poor blood supply.
It receives blood from the lymphatic system.
Its blood supply varies depending on the location in the body.
#10
Which of the following statements accurately describes the appearance of dense irregular connective tissue under a microscope?
Parallelly arranged collagen fibers
Loosely arranged collagen fibers in a regular pattern
Randomly arranged collagen fibers
Presence of adipocytes with minimal extracellular matrix
#11
What is the significance of the irregular arrangement of collagen fibers in dense irregular connective tissue?
It provides flexibility and resistance to tension from different directions
It allows rapid diffusion of nutrients
It aids in storing large amounts of fat
It helps in bone formation
#12
What role does dense irregular connective tissue play in wound healing?
It secretes enzymes that break down scar tissue.
It provides structural support and strength to the wound site.
It regulates the inflammatory response.
It promotes angiogenesis.
#13
Which disease is associated with the abnormal accumulation of dense irregular connective tissue in various organs?
Fibromyalgia
Scleroderma
Rheumatoid arthritis
Osteoporosis
#14
Which of the following is NOT a characteristic of dense irregular connective tissue?
High tensile strength
Presence of fibroblasts
Highly organized collagen fibers
Resistance to stretching in multiple directions
#15
What is the role of dense irregular connective tissue in maintaining organ structure and shape?
Provides cushioning and shock absorption
Forms a protective barrier
Contributes to organ movement
Resists forces applied in various directions