451.The first porcelain tooth material was introuced by

a.Dechemant
b.Ash
c.Plateau
d.McClean

Ans-a.Dechemant
Ref-Phillips 11nth ed pg 660

450.In Penicillin allergy,Penicillin acts as a

a.Hapten
b.Carrier
c.Superantigen
d.Toxin

Ans-a.Hapten

449.If rate of loading is decreased,the mechanical properties of the material

a.Increases
b.Decreases
c.Constant
d.Become unpredictable

Ans-b.Decreases  Ref Sturdevant 4th ed pg 142

448.After doing proper etching ,what is the ideal depth of the microtags formed

a.0.5-5um
b.5-50um
c.50-500um
d.500-5000um


Ans-5-50um

447.While using Kalzinol as a temporary cement,what should be the thickness of the material

a.1mm
b.2mm
c.3mm
d.4mm

Ans-3mm

446.Hyponatremia with increased sodium body content is seen in

a.Diuretic administration
b.Tubular acidosis
c.Vomitting
d.Nephrotic syndrome


Ans-d.Nephrotic syndrome

445. A patient is congenitally missing the maxillary lateral incisors and mandibular second premolars. This individual is said to have the condition known as:

 

A.           anodontia

B.           oligodontia

C.           hypodontia

D.           hyperdontia 

444.Which of the following has highest modulus of elasticity

a.Dentin
b.Enamel
c.Amalgam
d.Composite resin






Ans-b.Enamel

443.In a cobalt chromium alloy the metal responsible for corrosion resistance is

a.Silver
b.Nickel
c.Cobalt
D.Chromium


Ans-d.Chromium

442.Drug of choice for epilepsy in pregnancy

a.Carbamezipine
b.Sodium valproate
c.Phenobarbitone
d.Phenytoin


Ans-c.Phenobarbitone

441.Which of the following intravenous induction agent is the most suitable for day care surgery

a.Morphine
b. Ketamine
c.Propofol
d.Diazepam

Ans-Propofol

440.Which of the following inhalational agent is the induction of choice in children

a.Methoxyflurane
b.Sevoflurane
c.Desflurane
d.Isoflurane


Ans-Sevoflurane

439.First dose hypotension is caused by

a.Prazosin
b.Clonidine
c.Sodium nitroprusside
d.Propanol


Ans-Prazosin

438.Denominator while calculating the secondary attack rate Includes:

 

a. All the people living in next fifty houses

b. All the close contacts

c. All susceptible amongst close contact

d. All susceptible in the whole village

437. The Vipeholm study revealed the effect of various diet factors on dental decay? The occurrence of dental caries is most dependent on which factors

a. Amount and form of diet

b. Form and Frequency of diet
c. Amount and Frequency of diet
d. All of the above