AIPGE 2005 Dental 9

81. All of the following are true about manifestations of vitamin E deficiency, except -

1. Hemolytic anemia.
2. Posterior column abnormalities.
3. Cerebellar ataxia.
4. Autonomic dyfunction.

82. Differential expression of same gene depending on parent of origin is referred to as -

1. Genomic imprinting.
2. Mosaicism.
3. Anticipation.
4. Nonpenetrance.

83. Al l of the following statements are true regarding reversible cell injury, except -

1. Formation of amorphous densities in the mitochondrial matrix.
2. Diminished generation of adenosine triphosphate (ATP).
3. Formation of blebs in the plasma membrane.
4. Detachment of ribosomes from the granular endoplasmic reticulum.

84. All of the following vascular changes are observed in acute inflammation, except -

1. Vasodilation.
2. Stasis of blood.
3. Increased vascular permeability.
4. Decreased hydrostatic pressure.

85. Which one of the following serum levels would help in distinguishing an acute liver disease from chronic liver disease?

1. Aminotransaminase.
2. Alkaline phosphatase.
3. Bilirubin.
4. Albumin.

86. All of the following are topically used sulphonamides, except -

1. Sulphacetamide.
2. Sulphadiazine.
3. Silver sulphadiazine.
4. Mafenide.

87. The group of antibiotics, which possess additional anti-inflammatory and immunooduatory activities, is -

1. Tetracyclines.
2. Polypeptide antibiotics.
3. Fluoroquinolones.
4. Macrolides.

88. One of the following is not penicillinase susceptible -

1. Amoxicillin.
2. Penicillin G.
3. Piperacillin.
4. Cloxacillin.

89. S.A. node acts as a pacemaker of the heart because of the fact that it -

1. Is capable of generating impulses spontaneously.
2. Has rich sympathetic innervations.
3. Has poor cholinergic innervations.
4. Generates impulses at the highest rate.

90. The first physiological response to high environmental temperature is -

1. Sweating.
2. Vasodilatation.
3. Decrease heat production.
4. Non-shivering thermogenesis.