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

494.Which of the following is not present in basal lamina

a.Rhodopsin
b.Entactin
c.Laminin
d.Integrin
Ans-a.Rhodopsin  Ref-Grays Anatomy 39 th ed /34-36

493.In a study in UK ,an association was found between sale of antiarryhthmic drug and an increase in death due to asthma .This is an example of

a.Ecological study
b.Cohort study
c.Case reference study
d.Experimental study
Ans-a.Ecological study



492.Hyponatremia with increased sodium body content is seen in

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


Ans-d.Nephrotic syndrome
Explanation-Hyponatremia with normal body sodium is almost exclusively associated with SIADH.Hyponatremia associated with increased total body sodium results from water retention in excess of sodium retention.The four clinical states where in this phenomenon is seen are congestive heart failure,cirrhosis,nephrotic syndrome and advanced renal failure.

491.Most common site for CSF Rhinorrhea

a.Ethmoidal sinus
b.Frontal sinus
c.Petrous bone
d.Cribriform plate

Ans-d.Cribriform plate

The Cribriform plate and air cells of the ethmoid sinus account for the maximum no of leaks







490.Which of the following enzymes is purely mitochondrial

a.SGOT
b.SGPT
c.Gamma Glutamyl Transferase
d.5 Nucleotidase

Ans-a.SGOT
Explanation-SGOT has two isoenzymes
Inside the liver SGOT is localized mainly in the mitochondria with the remainder in the cytoplasm.











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