Chapter 15: Wound Healing
When you accidentally cut yourself shaving, or you drop a glass and nick yourself trying to clean it up, you may be surprised by how fast the cut seems to quell the bleeding without you having to do much to help that process. What is actually going on here? Answer as many questions as you can about wound healing in this quiz.
- 1.What is one vasoactive substance involved with the coagulation phase of tissuerepair that causes vasoconstriction and vasodilation?
- A.
Prokinin
- B.
Histamine
- C.
Bradykinin
- D.
Serotonin
- 2.Name the 4 phases of tissue repair according to Bailey’s?
- A.
Inflammatory, coagulation, fibroplasia, remodeling
- B.
Coagulation, inflammatory, fibroplasia, remodeling
- C.
Coagulation, inflammatory, remodeling, fibroplasias
- D.
Inflammatory, coagulation, remodeling, fibroplasias
- 3.During the fibroplasia phase, fibroblasts migrate into the wound after how manyhours?
- A.
12-24
- B.
24-48
- C.
48-72
- D.
1 week
- 4.The role of collagen is
- A.
Cell adhesion
- B.
Locomotion
- C.
Expansion and contraction
- D.
Strength and support
- 5.What is the maximum strength of a scar versus the unwounded skin?
- A.
60%
- B.
80%
- C.
25%
- D.
90%
- 6.Rate the level of contraction from most to least
- A.
STSG-FTSG-Flap
- B.
Flap-STSG-FTSG
- C.
Flap-FTSG-STSG
- D.
FTSG-Flap-STSG
- 7.Intact dermis contains how much Type I collagen and how much Type IIIcollagen?
- A.
50%/50%
- B.
60%/40%
- C.
80%/20%
- D.
25%/75%
- 8.The most important step in collagen formation is hydroxylation of proline andlysine?
- A.
True
- B.
False
- 9.The optimal time to operate on irradiated tissue is
- A.
Between 6 weeks and 6 months
- B.
Between 3 weeks and 3 months
- C.
Between 6 months and 1 year
- D.
Between 4 weeks and 6 months
- 10.A patient on chronic prednisone therapy for rheumatoid arthritis, administrationof what agent may mitigate the detrimental effects on wound healing?
- A.
Vitamin C
- B.
Vitamin E
- C.
Vitamin A
- D.
Zinc
Questions: 57 | Attempts: 1721 | Last updated: Dec 31, 2012
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Sample QuestionA fourth year resident is working in the "burn unit" following a patient that received 3rd degree burns. The burns are healing and relatively mature scars have formed. As time goes by the scars seem to be getting a little smaller and undergo shape changes. He asks his attending what is responsible for this phenomenon. Which of the following is the most likely answer to his question?
Questions: 10 | Attempts: 218 | Last updated: Aug 22, 2019
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Sample QuestionThe most predominant type of collagen in the body ?
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