All the questions have been directly picked from Carranza 11th edition
1.Electronic instrument to measure gingival crevicular fluid
A. Pericheck
b. Periotemp
c. Perioscan
d. Periotron
Ans:
d Periotron
2. Gingival crevicular fluid is measured using
a. Whatman’s filter paper
b. pH paper
c. Mylar strip
d. Litmus paper
Ans: Whatman’s filter paper
GCF
can be collected by
-Placing
filter paper into the sulcus (Intra crevicular)
-Placing
filter paper at the entrance of sulcus (Extra crevicular)
3.Gingival
crevicular fluid is increased in all except
a. gingivitis b. Smoking
c. Periodontal pocket
d. trauma from occlusion
Ans:
d. Trauma from occlusion
GCF
is increased on mastication of coarse foods, tooth brushing and gingival massage,
ovulation, hormonal contraceptives and smoking.
4.Drugs
that reaches maximum concentration in
GCF
a. Tetracycline
b. Penicillin
C. erythromycin d.
Sulphonamide
Ans:
a Tetracycline
Tetracycline
reaches maximum concentration 2-10 times (Average 7 times) that of
plasma.
5.Glucose
levels in gingival crevicular fluid is
a.
equal to
glucose level in serum
b.
Zero
c.
3-4times
greater than serum
d.
More than 10
times the serum levels
Ans:
c. 3-4times greater than serum levels
6.Approximate
amount of gingival fluid projected in 1 day into the oral cavity is
a.1.5-2.5ml per day b.2.5-3.5ml
per day
c.0.5-2.4ml per day
d.0.5-4.2ml per day
Ans:0.5-2.4ml per day
7.
Drug detected in GCF is/are
a. Tetracycline
b.
Metronidazole
c. Both
d. None
Ans: c Both
8.Which
of the following is not secreted in GCF
a.
Spiramycin
b.
Erythromycin
c.
Tetracycline
d.
Metronidazole
Ans:
b Erythromycin
Erythromycin
does not concentrate in GCF and is not effective against most putative
periodontal pathogens.
9.Which
of the following leukocytes is not found in crevicluar fluid?
a.
PMN
b.
Macrophage
c.
Lymphocyte
d.
basophil
Ans:
d basophil
10.
Approximate amount of gingival fluid projected in 1 day into the oral cavity is
a.1.5-2.5ml per day b.2.5-3.5ml
per day
c.0.5-2.4ml per day
d.0.5-4.2ml per day
Ans:0.5-2.4ml
per day
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