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AnatomyNeuroanatomy
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Q7875. Following is true about oculocardiac reflex except ?

A.It is also called aschner phenomenon
B.It is mediated by occulomotor and vagus nerve
C.It is characterized by bradycardia following traction on extra-
D.Reflex is more sensitive in neonates

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NEET-PG
2015
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Forensic MedicineToxicology
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Q7876. In CO poisoning, immediate emergency treatment: Jharkhand 10

A.5% CO2 inhalation
B.10% CO2 inhalation
C.High flow O2
D.Nitroglycerine

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BiochemistryGeneral Biochemistry
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Q7877. Blood testis barrier in testis is formed by?

A.Sertoli cells
B.Leydig cells
C.Granulosa cells
D.None

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AnatomyGeneral Anatomy
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Q7878. Which of the following is false about peripheral nerve injury?

A.Neuropraxia is irreversible
B.Epineurium is intact in axonotmesis
C.Neurotmesis is the most severe form of injury
D.Wellerian generation starts in axonotmesis

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AnatomyGeneral Anatomy
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Q7879. First to occur after a sharp nerve cut ?

A.Chromatolysis
B.Polymorphic arrangement
C.Increased protein synthesis
D.Macrophage activation

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NEET-PG2015Repeats: N/A
BiochemistryEnzymes
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Q7880. LDH has how many isoenzymes

A.3, based on B and M polypeptide subunits
B.5, based on B and M polypeptide subunits
C.7, based on H and M polypeptide subunits
D.5, based on H and M polypeptide subunits

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BiochemistryEnzymes
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Q7881. Which of the following is known as suicidal enzyme?

A.Lipoxygenase
B.Cyclooxygenase
C.Thromboxane synthatase
D.5' nucleotidase

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BiochemistryNucleotide Metabolism
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Q7882. Rate limiting enzyme in bile acid synthesis ?

A.Desmolase
B.21 α-hydroxylase
C.7α-hydroxylase
D.12α-hydroxylase

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NEET-PG2015Repeats: N/A
BiochemistryProtein & Enzyme Metabolism
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Q7883. Enzyme activity is expressed as:

A.Millimoles /lit?
B.Milli gm/lit?
C.Mg/ dl
D.Micromoles/min

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BiochemistryEnzymes
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Q7884. Example of allosteric inhibition

A.Inactivation of glycogen synthase by phosphorylation
B.Decreased synthesis of glucokinase by glucagon
C.Inhibition of PFK-1 by citrate
D.All of the above

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BiochemistryVitamins & Minerals
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Q7885. Lysyl oxidase requires which cofactor -

A.Zn
B.Cu
C.Se
D.Fe

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RadiologyGeneral Radiology
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Q7886. Mechanism of conversion of trypsinogen to trypsin -

A.Hydrolysis
B.Phosphorylation
C.Removal of part of protein
D.Removal of Carboxyl group

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ENTEar
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Q7887. Immediate source of energy is ?

A.Cori's cycle
B.HMP
C.ATP
D.TCA cycle

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PharmacologyGeneral Pharmacology
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Q7888. The mechanism of action of uncouplers of oxidative phosphorylation involves:

A.Inhibition of ATP synthase
B.Stimulation of ATP synthase
C.Disruption of proton gradient across the inner membrane
D.Disruption of proton gradient across outer membrane

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BiochemistryCarbohydrate Metabolism
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Q7889. True about NADP -

A.Acts as coenzyme form of Niacin
B.Involved in HMP shunt
C.Not involved in glycolysis
D.All are true

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BiochemistryCarbohydrate Metabolism
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Q7890. In malate shuttle, NADH Produces how many ATPs

A.1
B.1-5
C.2
D.2.5

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BiochemistryCarbohydrate Metabolism
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Q7891. Not a substrate for gluconeogenesis -

A.Glycerol
B.Leucine
C.Lactate
D.Propionate

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BiochemistryVitamins & Minerals
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Q7892. Pyruvate dehydrogenase requires all cofactors except

A.Thiamin
B.Riboflavin
C.Niacin
D.Pyridoxin

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BiochemistryCarbohydrate Metabolism
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Q7893. Lactate produced anaerobically is used by

A.Gluconeogenesis & Glycolysis
B.Cori cycle & gluconeogenesis
C.TCA cycle & Glycogenolysis
D.Cori cycle only

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BiochemistryCarbohydrate Metabolism
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Q7894. Citrate synthase is inhibited by -

A.ATP
B.ADP
C.Insulin
D.Glucagon

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