1. Having a thorough medical history prior to surgery will allow the surgeon to better deal with complications that may arise. Be certain to always follow proper surgical techniques, and know your limitations prior to beginning any extraction.
a. The first statement is TRUE. The second statement is
b. The first statement is TRUE. The second statement is FALSE
c. The first statement is FALSE. The second statement is TRUE
d. The first statement is FALSE. The second statement is FALSE
2. If and when difficulties develop, it is always recommended to explain the situation to the patient
a. TRUE
b. FALSE
3. Extraction difficulty increases when the following conditions exsist except
a. strong supporting tissue
b. difficult root morphology
c. teeth containing weakened coronal surfaces
d. desiccated teeth
e. none of the above
4. The clot functions by:
a. preventing debris, food, and other irritants from entering the extraction site
b. protecting the underlying bone from bacteria
c. acting as a support system in which granulation tissue develops.
d. All of the above
5. The clot is replaced by:
a. granulation tissue
b. woven bone
c. cancellous bone
d. all of the above
6. During normal healing, there is an increased blood supply to the socket associated with resorption of the dense lamina dura by:
a. Leucocytes
b. Fibroblast
c. Osteoclasts
d. Osteoblasts
7. One of the following is not true regarding small fragments which have lost their blood supply. Bone fragments:
a. can be pushed to the surface and expelled
b. can be encapsulated by osteoclasts
c. can be suctioned out during curettage
d. can be converted to vascularized bone
8. Approximately how long does it take for course woven bone to be layed down by osteoblasts?
a. One month after an extraction
b. One week after an extraction
c. One day after an extraction
d. Three months after an extraction
9. Woven bone follows trabecular bone, until the normal pattern of the alveolus is restored. Finally, compact bone forms over the surface of the alveolus, and remodeling continues as the bone shrinks.
a. The first statement is TRUE. The second statement is TRUE.
b. The first statement is TRUE. The second statement is FALSE.
c. The first statement is FALSE. The second statement is TRUE.
d. The first statement is FALSE. The second statement is FALSE.
10. Once a tooth is extracted, direct primary wound closure is sometimes impossible, and there is usually an inability to apply and sustain direct pressure to the socket of an extracted tooth.
a. TRUE
b. FALSE
11. Which of the following complicate clotting?
a. Disruptive forces from the tongue
b. Passage of food
c. Normal Speech
d. All of the Above
12. Which is not a condition that may prolong bleeding?
a. Hepatitis
b. Hypertension
c. Osteoporosis
d. None of the Above
13. There are how many groups of drugs are known to promote bleeding?
a. 3
b. 4
c. 2
d. 5
14.Broad-spectrum antibiotics decrease production of what vitamin necessary for coagulation factors to be produced in the liver ?
a. Vitamin A
b. Vitamin D
c. Vitamin E
d. Vitamin K
15. Chronic alcohol abuse can lead to liver cirrhosis and decresed production of?
a. Liver dependant coagulation factors
b. Collagenase
c. Nitrites
d. All of the above
16. If no arteries exsist in the extraction field, complete hemostatic control can usually be maintained for most procedures by:
a. rinsing with warm water
b. finding arteries deep in the bone
c. using direct pressure over the area of soft tissue for approx. five minutes
d. None of the above
17. This course recommends which of the following treatments when bleeding from isolated vessels occur within the bone?
a. Crushing the vessel’s forearm
b. Apply a thrombin
c. Cauterize the vessel
d. All of the above
18. What is the most commonly used, least exoensive hemostatic agent?
a. Absorbable gelatin sponge
b. Collagen tape
c. Oxidized regenerated methylcellulose
d. Iodoform Gauze
19. Gelatin sponge forms a scaffold for the formation of:
a. exudates.
b. osseous bone
c. a blood clot
d. none of the above
20. Topical thrombin is derived from:
a. equine thrombin
b. bovine thrombin
c. Porcine thrombin
d. feline thrombin
.
