An abnormal collection of lymphatic vessels forming a mass (usually benign) is a:
A) hematoma
B) lymphoid
C) lymphangioma
D) lymphadentitis
C
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Which of the following is true regarding the difference between the mucosa of the small and large intestines?
A. The small intestine has deeper intestinal crypts than the large intestine. B. The small intestine has simple columnar epithelium and the large intestine does not. C. They both have villi, but only the small intestine has microvilli. D. Intestinal crypts are only found in the large intestine. E. The large intestine has larger circular folds than the small intestine.
The small cavities in bone tissue where osteocytes are found are called _______
a. lacunae b. perforating (Volkmann's) canals c. central (Haversian) canals d. trabeculae e. lamellae
Cells that secrete protein fibers in bone are called
A) osteolytic cells. B) osteoclasts. C) osteoblasts. D) osteocytes. E) osteogenic cells.
All of the following statements refer to events of tissue repair. Put the events in proper numbered order according to the sequence of occurrence. The initial event, the injury, is already indicated as number one.
1. The skin receives a cut that penetrates into the dermis and bleeding begins. 2. Epithelial regeneration is nearly complete. 3. Granulation tissue is formed. 4. Blood clotting occurs and stops the blood flow. 5. The scar retracts. 6. Macrophages engulf and clean away cellular debris. 7. Fibroblasts elaborate connective tissue fibers to span the break.