3901. Sources of the nucleotide portion of NAD include__________________?
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A. Tryptophan

B. Riboflavin

C. N-methyl nicotinamide

D. PRPP

3902. Fats absorbed with the help of bile salts are_______________?
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A. Glycerol

B. Higher fattery acids, diglycerides and monoglycereides

C. All of the above

D. Free fatty acid

3903. All of the following are true about manifestations of vitamin E deficiency except_____________?
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A. Posterior column abnormalities

B. Hemolytic anemia

C. Cerebellar ataxia

D. Autonomic dysfunctions
3904. Coenzyme forms are correctly matched except_____________?
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A. Vitamin B2 FMN+FAC

B. Niacin NAD+NADP

C. Biotin carboxylated biotin

D. Vitamin B ATP
3905. One of the following is not an amino acid______________?
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A. Choline

B. Hydroxy proline

C. Glutamic acid

D. Glycine

3906. Secretin does not cause _______________?
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A. Gastric secretion increase

B. Contraction of pyloric sphincter

C. Augments the action of CCK

D. Bicarbonate secretion

3911. Vit-K deficiency is indicated by___________?
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A. Low platelet count

B. Decreased prothrombin time

C. Increased prothrombin time

D. None of the above

3912. Human chorionic gonadotrophin hormone ( HCG)______________?
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A. Is a steroid hormone

B. Acts on the uterus to maintain integrity of endometrium in early pregnancy

C. Can be identified in the urine of pregnant women by immunological technique

D. Production is greatest in the last three months of pregnancy

3914. The premolar alveoli are what shape in cross section_____________?
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A. Oval

B. Kidney shaped

C. Triangular

D. Rectangular

3915. The vitamin that facilitates iron absorption____________?
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A. Biotin

B. Para amino benzoic acid

C. Folic acid

D. Ascorbic acid
3916. Maximum secretory glands in stomach are________________?
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A. Brunners glands

B. Pyloric glands

C. Fundic glands

D. Gastric glands

3917. The reaction inhibited in thiamine deficiency is_______________?
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A. Pyruvate to acetyl CoA

B. None of the above

C. Citrate to alpha ketoglutarate

D. Succinyl CoA to fumarate

3918. Distobuccal cusp of 27 falls into ______________?
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A. Embrasure of 36 & 37

B. Embrasure of 37 & 38

C. Immediately incisal to cingulam

D. Mesial pit of 37

3919. The major fuel for the brain after several weeds of starvation______________?
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A. Beta hydroxy butyrate

B. Fatty acid

C. Glycerol

D. Glucose

3920. Deficiency of vitamin C causes the following except____________?
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A. Painful swollen gums

B. Diarrhoea

C. Anaemia

D. Abnormal Collagen

3921. Deficiency of nicotinic acid results in____________?
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A. Pernicious anemia

B. Night blindness

C. Beri-beri

D. Pellagra
3922. Hypercalcemia associated with malignancy is most often mediated by _____________?
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A. Parathyroid hormone related protein (PTHrP)

B. Interleukin 6 ( IL- 6)

C. Parathyroid hormone ( PTH)

D. Calcitonin

3923. In occlusion the teeth have_______________?
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A. Edge to edge contact

B. Surface to surface contact

C. Marginal contact

D. Cusp to cusp contact

3924. Biological activity of tocopherols has been attributed, in part to their actions as_____________?
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A. Antioxidant

B. Provitamin

C. Antidotes for selenium poisoning

D. Anticoagulants

3926. Vitamin K antagonizes_____________?
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A. Production of clotting factors by liver

B. Thrombin formation

C. Corticosteroids

D. Bishydroxy coumarin
3927. Which one of the following amino acids is purely ketogenic ?
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A. Phenylalanine

B. Leucine

C. Proline

D. Isoleucine

3928. The side towards which mandible moves is called the_____________?
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A. Working side

B. Tooth contact side

C. Balancing side

D. Non- working side

3929. Thiamine deficiency can be diagnosed by measuring________________?
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A. Alkaline phosphatase levels in blood

B. Transketolase activity in RBC

C. Plasma pyruvate and lactic acid levels

D. Thiamine levels in blood

3931. Vitamin also acting as hormones________________?
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A. Vitamin A

B. Vitamin D

C. Vitamin C

D. Vitamin B1

3933. Stomach accommodates the meal by______________?
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A. Deceptive relaxation

B. None of the above

C. Reactive relaxation

D. Receptive relaxation
3934. Small intestinal peristalsis is controlled by _______________?
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A. Meissners plexus

B. Vagus nerve

C. Parasympathetic

D. Myentric plexus
3935. Heme in haemoglobin is____________?
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A. Bonded to E7 histidine

B. Between Helix C and D

C. Surrounded by non polar environment

D. Protoporophyrin IX
3937. Which of the following is correct about breakdown of hemoglobin (Hb)_____________?
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A. Hb?Heme?bilirubin?Urobilinogen?Biliverdin

B. Hb?Heme?bilirubin?Urobilinogen

C. Hb?Heme?Bilverdin?Uro bilinogen

D. Heme?Hb?Biliverdin?Urobilinogen

3939. Key enzyme in urea synthesis is____________?
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A. Urease

B. Arginase

C. Ornithine

D. Carbamyl synthetase
3942. Creatine is formed metabolically from______________?
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A. Arginine

B. Histidine

C. Tryptophan

D. Phenylalanine

3943. The most important action of Secretin is to_____________?
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A. Cause contraction of pyloric sphincter

B. neutralize the acid from the stomach

C. decrease gastric secretion

D. increase secretion of bicarbonates by pancreas

3944. Vit B12 is absorbed in the_____________?
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A. Stomach

B. Proximal ileum

C. Lower jejunum

D. Terminal ileum
3945. Fast soluble vitamins are_____________?
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A. A, B , D, K

B. A, D. E, K

C. A, C, E, K

D. A, B, E, K

3947. Peristalsis in the gut is due to ______________?
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A. Preperistalitic intestinal secretion

B. Extrinsic nervous influence

C. Simultaneous action of circular and longitudinal muscles

D. Mecharical distension
3948. Bile acids are derived from_____________?
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A. Cholesterol

B. A & B

C. Bile salts

D. Bile pigments

3949. Which of the following factors delay wound healing____________?
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A. Ascorbic acid deficiency

B. Vitamin B12 deficiency

C. Infection

D. B & C option