24. The type of epithelium that is found lining internal body compartments and b

Question

24. The type of epithelium that is found lining internal body compartments and blood vessels is A. Simple squamous epithelium B. Stratifies squamous epithelium C. Simple cuboidal epithelium D. Stratified cuboidal epithelium E. Transitional epithelium 25. Which of the following membranes line cavities that communicate with the exterior of the body? A. Mucous B. Serous D. Synovial E. Pleural 26. Why does damaged cartilage heal slowly? Chondrocytes cannot be replaced if killed, and other cell types must take their place Cartilage is avascular so nutrients and other molecules must diffuse to the site of injury Damaged cartilage becomes calcified, thus blocking the movement of materials required for healing A. B. C. D. Chondrocytes divide more slowly than other cell types delaying the healing process E. Damaged collagen cannot be quickly replaced, thus slowing the healing process 27. The red color and heat associated with inflamed tissue is the result of A. Increased number of white cells in the injured area B. Local vasodilation C. Loss of blood from the injured tissue D. Increased numbers of bacteria in the area of the wound E. The release of heparin from injured tissue

Explanation / Answer

Answers

24. A. Simple squamous epithelium

The simple squamous epithelium are cells that are permeable and facilitate the diffusion of small molecules.

25. A. Mucous

Mucous lies over a layer loose connective tissue and present near openings of the eyes, ears, inside the nose and mouth, lip, urethral opening and the anal opening

26. B. Cartilage is avascular so nutrients and other molecules must diffuse to the site of injury

Avascular meaning that do not have blood supply and depend on the adjacent tissues for their nutrition and because of this they also show low metabolic activity

27. B. Local vasodilation

Local vasodilation is the widening of blood vessels because of relaxation of smooth muscle cells within vessel walls in veins, large arteries and small arterioles

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