Histology Mid Term Connective Tissue Questions Maktbt Hamed
Self Assessment ( Test Your Self )
- 1.One of the following is false about connective tissue proper
- A.
A. Contains large amount of intercellular substance.
- B.
B. Ectodermal in origin.
- C.
C. Contains many cells widely separated.
- D.
D. Penetrated by blood vessels.
- 2.All of the following are undifferentiated connective tissue cells except one.
- A.
A. Mast cells.
- B.
B. Undifferentiated mesenchymal cells.
- C.
C. Reticular cells.
- D.
D. Pericytes.
- 3.One of the following cells is responsible for synthesis the fibers and matrix of connective tissue proper.
- A.
A. Mast cells
- B.
B. Fibroblasts.
- C.
C. Undifferentiated mesenchymal cells.
- D.
D. Pericytes.
- 4.All of the following are connective tissue cells responsible for defense and immune functions except one.
- A.
A. Mast cells.
- B.
B. Neutrophils
- C.
C. Plasma cells.
- D.
D. Fibroblasts.
- 5.One of the following is true about Fibroblasts
- A.
A. Are responsible for storage of fat.
- B.
B. Lines blood vessels and capillaries.
- C.
C. Secrete collagenous and elastic fibers,
- D.
D. Cubical large cells.
- 6.One of the following is true about (Fat cells)
- A.
A. Act as phagocytic cells.
- B.
B. Are branched cells with central oval nuclei.
- C.
C. Can be stained by Sudan III
- D.
D. Secrete heparin and histamine.
- 7.All of the following are correct regarding fat cells except one
- A.
A. They possess a flattened peripheral nucleus.
- B.
B. They store fat.
- C.
C. They have a rim of cytoplasm around large fat droplet.
- D.
D. They secrete eosinophilic chemotactic factor.
- 8.The connective tissue cells found in brown adipose connective tissue
- A.
A. Unilocular fat cells.
- B.
B. Pericytes.
- C.
C. Fibroblasts.
- D.
D. Multilocular fat cells.
- 9.One of the following is true about Macrophages,
- A.
A. Act as supporting cells.
- B.
B. Are phagocytic in function.
- C.
C. Line blood vessels.
- D.
B. Are responsible for storage of melanin.
- 10.One of the following is true about plasma cells.
- A.
A. Develop from T- Lymphocytes
- B.
B. Are abundant in white adipose connective tissue.
- C.
C. Secrete antibodies forming humoral immunity.
- D.
D. Are responsible for healing of connective tissue after injury.
- 11.One of the following is true about Mast cells.
- A.
A. Are cells responsible for coloration of skin.
- B.
B. Have metachromatic granules stained by toluidine blue
- C.
C. Have many lysosomes.
- D.
D. Develop from B- Lymphocytes.
- 12.One of the following statements concerning Mast cells is false
- A.
A. Found in groups along blood vessels.
- B.
B. Secrete heparin and histamine.
- C.
C. Involved in humoral immunity.
- D.
D. Similar to basophils.
- 13.The connective tissue cells responsible for storage of melanin Pigments is
- A.
A. Pericyte.
- B.
B. Melanocyte.
- C.
C. Reticular cells.
- D.
D. Melanophaore.
- 14.One of the following is false about white collagenous fibers.
- A.
A. They are made of collagen proteins
- B.
B. They are demonstrated by orceinrstain.
- C.
C. They are affected by acids & alkalies.
- D.
D. They give tissues strength frigidity.
- 15.One of the following is false about characteristics of yellow elastic fibers
- A.
A. They appear as thin branching fibers.
- B.
B. They resist acids and alkalies.
- C.
C. They are stained by orcein stain.
- D.
D. They give tissues strength and rigidity.
- 16.One of the following is false regarding areolar connective tissue
- A.
A. Contains alLtypes of connective tissue cells and fibers
- B.
B. Connects organs and tissues together.
- C.
C. Fat cells are predominating.
- D.
D. The most common type of connective tissue proper.
- 17.One of the following statements is false concerning white fibrous connective tissue.
- A.
A. Type of connective tissue proper.
- B.
B. Contains numerous collagenous fibers.
- C.
C. Found in large blood vessels.
- D.
D. Classified into regular and irregular types.
- 18.One of the following statements is true about the adipose connective tissue.
- A.
A. Fat cells are predominating.
- B.
B. Rich in elastic fibers.
- C.
C. Found in trachea and bronchi.
- D.
D. Formed of network of reticular cells and fibers.
- 19.One of the following is true about the tendons.
- A.
A. Plasma cells inbetween.
- B.
B. Regular bundles of elastic fibers.
- C.
C. Irregular bundles of collagen fibers.
- D.
D. Regular parallel bundles of collagen fibers.
- 20.Silver stain is specific to demonstrate.
- A.
A. Collagen fibers.
- B.
B. Mast cells.
- C.
C. Reticular fibers.
- D.
D. Elastic fibers.
- 21.Orcein stain is specific to demonstrate.
- A.
A. Mast cells.
- B.
B. Elastic fibers.
- C.
C. Reticular fibers.
- D.
D. Collagen fibers.
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