WorksheetsPHD Quiz 1.1
Total questions: 50
Worksheet time: 38mins
Name
Class
Date
1.
The concept which considers/views that health is being influenced by “social, psychological, cultural, economic and political factors” is known as:
a)
Biomedical concept
b)
Psycho social concept
c)
Ecological concept
d)
Holistic concept
2.
The epidemiological triad of disease is
a)
Host, Agent, Environment
b)
Agent, Vector, Host
c)
Vector, Carrier, Environment
d)
Agent, Treatment, Carrier
3.
The prevention that is done at the late pathogenesis stage of a disease is called as
a)
Primary
b)
Secondary
c)
Tertiary
d)
Quarternary
4.
“Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity” this definition was given by
a)
UNICEF
b)
UNO
c)
WHO
d)
UNESCO
5.
The concept of “Beneficence” is:
a)
To do no harm
b)
To do good
c)
Truthfulness
d)
Justice
6.
The practice of dentistry in India is governed by Dentists Act of
a)
1947
b)
1948
c)
1949
d)
1950
7.
The Indian Dental Association was established in the
a)
1943
b)
1948
c)
1946
d)
1947
8.
90th Percentile is followed in
a)
UCR fee
b)
Capitation plan
c)
Delta dental plan
d)
Salary
9.
Post payment plan is other wise called as
a)
Delta dental plan
b)
Budget payment plan
c)
Third party prepayment plan
d)
Capitation
10.
‘Electra complex refers to
a)
Young boys attached to mother
b)
Young boys attached to father
c)
Young girls attached to mother
d)
Young girls attached to father
11.
‘Modelling’ is developed from
a)
Psychosocial theory
b)
Psychoanalytical theory
c)
Social learning theory
d)
Cognitive theory
12.
Standard deviation is a measure of
a)
Variability
b)
Central value
c)
Correlation
d)
None of the above
13.
Histogram is
a)
Pictorial representation
b)
Series of blocks
c)
Areas of segments in circle compound
d)
Bars seperated by appropriate spaces
14.
The relation in size between two random quantities is
a)
rate
b)
ratio
c)
proportion
d)
case fatality
15.
The following statistical test is used to evaluate significance of difference between two means in small samples
a)
Chi-square test
b)
t- test
c)
F- test
d)
Z- test
16.
Power of the test is related to
a)
Type I
b)
Type II
c)
Type III
d)
Type IV
17.
In a community dental survey, if every 10th house is selected as sample unit in a village, the type of sampling technique is known as
a)
Cluster random sampling
b)
Stratified random sampling
c)
Simple random sampling
d)
Systematic random sampling
18.
When the plaque pH is 5, the enamel solubility
a)
Increases
b)
Decreases
c)
Unchanged
d)
None of the above
19.
Acidogenic bacteria survive and produce acid best in dental plaque which is rich in
a)
Mannose
b)
Fructose
c)
Sucrose
d)
Maltose
20.
Sampling error can be reduced by
a)
Increasing sample size
b)
Decreasing sample size
c)
Increasing population size
d)
None of the above
21.
Dye used in salivary reductase test is
a)
Bromocresol green
b)
Diazo-resorcinol
c)
Basic fuchsin
d)
Bismarck brown
22.
The Proteolysis theory was given by
a)
Gottileb
b)
Jenkins
c)
Eggers-Lura
d)
W.D. Miller
23.
In an urban area, a school is selected randomly and all the students in the school were examined for prevalence of dental caries. The type of sampling done is known as
a)
Stratified random sampling
b)
Cluster random sampling
c)
Systematic random sampling
d)
Simple random sampling
24.
Which one of the following is an Operating Auxiliary
a)
Dental Surgery Assistant
b)
EFDA
c)
Dental Therapist
d)
B and C are correct
25.
Most caries susceptible teeth are
a)
U/L Ist Permanent molars
b)
U/L IInd Permanent molars
c)
U/L II Premolars
d)
U/L Primary canines
26.
The main culprit in producing root surface caries is
a)
Actinomyces
b)
Streptococcus
c)
Pneumococcus
d)
Lactobacillus
27.
Sealant application by dentists falls under which level of prevention
a)
Primary
b)
Secondary
c)
Tertiary
d)
All of the above
28.
Which of the following is NOT considered a host factor for dental caries
a)
Sex
b)
Race
c)
Age
d)
Bacteria
29.
A list of all the units in the study population is known as
a)
Sample size
b)
Sampling frame
c)
Sample details
d)
None of the above
30.
Dental floss is recommended in
a)
Type I embrasures
b)
Type III embrasures
c)
Type V embrasures
d)
Type IV embrasures
31.
The principal buffer in the saliva is:
a)
Carbonates
b)
Bicarbonates
c)
Phosphates
d)
Ornithine
32.
The first bristle tooth brush appeared about the year 1500 AD in
a)
England
b)
China
c)
Egypt
d)
Greece
33.
In a village, 40 houses are selected by lottery method. The technique is called as
a)
Simple random sampling
b)
Cluster random sampling
c)
Stratified random sampling
d)
Systematic random sampling
34.
The principal inorganic components of the supragingival plaque matrix are
a)
Magnesium and Potassium
b)
Potassium and Sodium
c)
Magnesium and Sodium
d)
Calcium and Phosphorus
35.
Streptococci produce lactic acid from glucose by
a)
Tricarboxylic acid cycle
b)
Embden-Meyerhof pathway
c)
Oxidative phosphorylation
d)
Hexokinase reaction
36.
Which of the following sugars contribute least to dental caries
a)
Fructose
b)
Galactose
c)
Sucrose
d)
Xylitol
37.
The 3rd generation pit and fissure sealants are
a)
Auto polymerising
b)
UV light cured
c)
Visible light cured
d)
None
38.
To find out the association between Tobacco chewing and oral cancer, the common statistical test applied is:
a)
Chi-square test
b)
Student ‘t’ test
c)
ANOVA test
d)
Correlation coefficient
39.
Which of the following is the primary cause of tooth loss among school children
a)
Periodontal disease
b)
Malocclusion
c)
Accident
d)
Dental caries
40.
PROPHYLACTIC ODONTOMY termed by
a)
Bowen in 1965
b)
Hyatt in 1923
c)
Bowen in 1960
d)
Muhler in 1968
41.
Which of the following is NOT a significant factor for root caries?
a)
Gingival recession
b)
Actinomyces viscosus
c)
Tooth brush abrasion
d)
Dentifrice
42.
Brushing the teeth in horizontal direction would cause
a)
Attrition
b)
Erosion
c)
Abrasion and recession
d)
Corrosion
43.
The critical pH is about
a)
4.5
b)
5.5
c)
6.5
d)
3.5
44.
The other name for root mean square deviation is
a)
Mean deviation
b)
Standard deviation
c)
Quartile deviation
d)
None of the above
45.
The Anticalculus agent used in dentif rices is
a)
Pyrophosphate
b)
Calcium carbonate
c)
Silicate
d)
Sodium chloride
46.
As temperature increases dental caries
a)
Decreases
b)
Increases
c)
Remains same
d)
None of the above
47.
Which disclosing solution stains only dental plaque
a)
Iodine solution
b)
Aniline dyes
c)
Red erythrosin
d)
1-3 tetra Zolium compound with Methylene blue
48.
The Normal Salivary flow per day is
a)
<750 ml
b)
1000-1500 ml
c)
1500 ml
d)
650-750 ml
49.
Which among the following is cariogenic
a)
Strontium
b)
Magnesium
c)
Molybdenum
d)
Copper
50.
The idea of formation of subspecialty for dental hygienist was suggested first by
a)
C.M. Wright in 902
b)
D.D. Smith in 1900
c)
A.C. Fones in 1905
d)
Mrs. Irene Newman
100 %
