510.If a patient suddenly becomes unconscious during treatment, the practitioner should immediately assess the patient's

A. airway and pulse.
B. airway and blood pressure.
C. pulse and blood pressure.
D. color and pupils.

509. A 2-day-old developing plaque consists primarily of

A. Treponema species.
B. Bacteroides species.
C. filamentous organisms.
D. gram-positive cocci and rods.
E. a structureless, non-mineralized pellicle.

508. A major sensory innervation of the temporomandibular joint is derived from the

1. great auricular nerve.
2. auriculotemporal nerve.
3. inferior alveolar nerve.
4. temporal branches of the facial nerve.

507. A fracture of the hamulus affects the action of which of the following muscles?

A. Superior constrictor of the pharynx
B. Levator veli palatini
C. Tensor veli palatini
D. Salpingopharyngeus
E. Buccinator

506. A disturbance in cartilage formation in a fetus results in deformities of theA disturbance in cartilage formation in a fetus results in deformities of the

1. sphenoid and zygomatic bones.

2. axial skeleton and the base of the skull.

3. axial skeleton and the flat bones of the skull.

4. petrous portion of the temporal bones and the parietal bones.

505.A child presents with massive hepatomegaly, hypoglycemia and there is no improvement with glucagon. The probable diagnosis is:

    1.Von Geirke's disease.       

    2.Mcardle      

    3.Cori.      

    4.Forbe.  

504.Transport of neutral molecules is through:

 1.Porin channels.    
 2.Ionophores.    
  3.Diffusion.      
 4.None of the above.

503.Which of the following statement is with respect to tertiary dentin

a.It can always be seen in routine intraoral radiographs.
b.Can be observed in demineralized histological sections
c.It is initially  termed as secondary dentine
d.Starts when the lesion starts in enamel carious lesions

Ans-b.Can be observed in demineralized histological sections

502.Wallenberg syndrome is due to the complete infarction of

a.Posterior inferior cerebellar artery
b.Anterior inferior cerebellar artery
c.posterior cerebral artery
d.spinal artery

Ans-a.Posterior inferior cerebellar artery

501.In Gypsum bonded investment,composition of alpha hemihydrate is

a.60-65%
b.30-35%
c.5-10%
d.85-90%

Ans-b.30-35%
Explanation-Composition of gypsum bonded investment is 
Silica-60-65%
Alpha hemihydrate-30-35%
Modifiers-5%

500.All of the following are tumour supressor genes except

a.WT -1
b.PTEN
c.NF-2
d.RAS

Ans-d.RAS

499.A diamond in the shape of square based pyramid is used in

a.Knoop hardness test
b.Vicker hardness test
c.Shore and Barcol test
d.Rock well hardness test

Ans-b.Vicker hardness test

498.Another name for infectious mononucleosis is

a.Pfeieffer disease
b.Kissing disease
c.Both a and b
d.None


Ans-C.Both a and b Refer shafers 5th ed pg 1065

497.All of the following are radiopaque lesions except

a.Ameloblastic Fibroma
b.Ameloblastic Fibroodontoma
c.Cementoblastoma
d.Odontoma



Ans-a.Ameloblastic Fibroma

496.Rain drop pigmentation of skin and mucosa is seen in

a.Arsenic poisoning
b.Bismuth poisoning
c.Lead poisoning
d.Mercury poisoning

Ans-a.Arsenic poisoning