8951. Which of the following statement is true regarding lathe cut low Copper silver alloy ?
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A. Requires least amount of mercury

B. Achieves high compressive strength at 1 hr.

C. Has tensile strength both at 15 minutes and 7 days is comparable to high copper, unicompositional alloys

D. Has lower cree value

8952. Which cement is irritating to the pulp ?
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A. Zinc phosphate

B. Ethoxybenzoic acid

C. Carboxylate cement

D. Zinc oxide-eugenol cement

8953. The setting of zinc phosphate may be retarded by ?
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A. Diluting the liquid with water

B. Decrease the addition of powder to liquid

C. Increase the addition of powder to liquid

D. Increased in the ratio of powder to liquid

8954. PH of which cement remain below 7 even after 1 month after insertion into the cavity ?
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A. Zinc Phosphate

B. Silicate cement

C. Resin cement

D. Glass Ionomer Cement

8956. Cavity varnishes have_____________?
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A. Excellent bonding to tooth

B. No bonding to tooth

C. Average bonding to tooth

D. Low bonding to tooth

8957. About zinc oxide eugenol all are true except_______________?
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A. ZnO is converted to Zn(OH)2

B. Reaction is autocatalytic

C. Water is the byproduct of reaction

D. Dehydrated ZnO reacts with dehydrated eugenol
8958. During amalgamation, trituration is done to_____________?
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A. Dissolve the alloy in mercury

B. Coat the alloy particle with mercury

C. Dissolve Hg in alloy

D. Remove excess mercury from the amalgam

8959. Chemical method of strengthening porcelain involves_________________?
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A. Exchange of aluminium and sodium ions

B. Exchange of sodium and potassium ions

C. Exchange of aluminium and potassium ions

D. None of the above

8960. Finishing and polishing of Amalgam make the restoration______________?
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A. Increased compressive strength

B. Decrease the tarnish and corrosion resistance

C. Increase the marginal strength

D. Increase in tarnish and corrosion resistance
8961. In non zinc containing dental amalgam alloy the percentage of zinc present is______________?
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A. Less than 0.01%

B. None of the above

C. Less than 0.1%

D. Less than 0.02%

8963. Co-efficient of Thermal exansion of amalgam is______________?
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A. 6.6 a (ppm k-1)

B. 11.4 a (ppm k-1)

C. 25.0 a (ppm k-1)

D. 14.0 a (ppm k-1)

8964. For dental amalgam, the elastic modulus and tensile strength is______________?
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A. 350 Gpa and 10 120 Mpa

B. 40 Gpa and 60 100 Mpa

C. 21 Gpa and 27 55 Mpa

D. 360 Gpa and 125 130 Mpa

8965. The cavity varnish applied reduces post operative sensitivity in amalgam restoration by____________?
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A. Decreasing conduction of heat to pulp

B. Minimize marginal leakage around restoration

C. By altering the chemical composition of restoration materials

D. By preventing penetration of corrosion products into the dentinal tubules

8966. Which of the following is most important in strength ZOE_____________?
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A. Speed of mixing

B. Liquid powder ratio

C. Addition of few drops of water

D. Temperature of mixing stab

8967. Which of the following cements have anti cariogenic properly________________?
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A. Calcium Hydroxide

B. Zinc silicophosphate

C. Zinc phosphate

D. ZOE

8968. Antagonist of morphine is_______________?
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A. Nalpuphine

B. Methadine

C. Naloxone

D. Nalosphine

8969. All are true of diazapenes except____________?
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A. Benzodiazepam is used in treatment of status epilepticus

B. Benzodiazepam is used in the long term treatment of psychic disorders

C. None of the above

D. Clonazeppam is used in the treatment of petitmal epilepsy

8970. Folic acid deficiency occurs in______________?
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A. Cyclosporine

B. Chloromphenicol

C. Aspirin

D. Phenytoin
8971. Shortest acting opioid analgesic is______________?
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A. Sufentanil

B. Fentanyl

C. Morphine

D. Remifentanil
8972. Which one of the following is NOT an ergot alkaloids_____________?
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A. Ketanserin

B. Lysergic acid diethylamide (LSD)

C. Bromocriptine

D. Methysergide

8973. All of the following statements about opioids is correct except_____________?
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A. Pentazocine and buprinorphine

B. Pentazocine shows withdrawal symptoms in opioid dependent patients

C. Partial agonists are free from classic opioid adverse effects

D. Ethomorphine is similar to pethidine chemically

8974. True about use of midazolam over diazepam is sedation in all except ?
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A. More potent than diazepam

B. Binds to benzodiazepine receptors with 3-4 time more avidly

C. Less thrombophlebitis due to low solubility in blond

D. More plasma binding and less toxicity

8977. Which among the following Not a pharmacological action of opioids______________?
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A. Miosis

B. Anti-emesis

C. Truncal rigidity

D. Cough suppression

8979. Ibuprofen is contraindicated in_______________?
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A. Patient having bronchitis

B. patients having fever

C. patients having asthma

D. patients having amoebic dysentery

8980. The most prominent toxic effect associated with acetominophen use is______________?
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A. Haemorrhage

B. Gastric Ulceration

C. Respiratory alkalosis

D. Hepatic necrosis
8982. Which of the following drugs causes extra pyramidal symptoms_____________?
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A. Salicylates

B. Antibiotics

C. Barbiturates

D. Phenothiazines
8983. Which one of the following NSAIDs has adverse effects on liver ?
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A. Ibuprofen

B. Aspirin

C. Diclofenac Sodium

D. Acetaminophen
8984. All NSAIDs block cycloxygenase and____________?
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A. Prostaglandin synthesis

B. Costaglandin synthesis

C. Preglandin synthesis

D. Ectoglandin synthesis

8985. Which among the following may be used as a sedatives hypnotic ?
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A. Zalcitabine

B. Zolpiden

C. Zileuton

D. Zolmitriptan

8986. Following analgesic combination should be avoided ?
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A. Ibuprofen and Paracetamol

B. Ibuprofen and DIclofenac

C. Aspirin and Codeine

D. Paracetamol and Dextropropoxyphene

8987. Aspirin is contraindicated in______________?
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A. Peptic ulcer

B. Hemorrhage

C. All of the above

D. Person suffering form chicken pox or small pox

8989. Neusea and vomiting that are associated with administration of opioid analgesic is the result of stimulation of the_____________?
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A. Limbic system

B. Emetic system

C. Chemoreceptor trigger zone (CTZ)

D. Opioid receptors in G.I.T

8990. Clotting time is most like to be prolonged by the administration of____________?
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A. Barbiturates

B. Acetominophen

C. Acetyl salicylic acid

D. Vitamin K

8991. The Ethyl alcohol (Ethanol) is more effective when mixed with water and used as_____________?
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A. 60 to 70 percent

B. 40 to 50 percent

C. 20 to 30 percent

D. 10 to 20 percent

8993. Narcotic overdose can be antagonized by______________?
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A. Naloxane

B. Diphenhydramine

C. Nalorphine

D. Atropine

8994. Thiopentone action is terminated by______________?
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A. Excretion

B. Redistribution

C. Metabolism

D. Recycling

8995. Birbiturates in pediatrics is_____________?
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A. Not much use

B. Low safety

C. Can be used safely

D. Contraindicated

8996. Amitryptyline is a____________?
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A. Antibiotic

B. Sedative

C. Tricyclic antidepressant

D. Diuretic

8997. Thyroid storm can be treated by all the following drugs EXCEPT______________?
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A. Dexamethasone

B. Aspirin

C. Propylthiouracil

D. Propranolol

8998. Verrils sign is seen in_________________?
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A. Digitalis toxicity

B. Diazepam administration

C. Pagets disease

D. Unconscious states

8999. The rate of injection of intravenous Valium is_______________?
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A. 1 mg / min

B. 2.5 ml / min

C. 1 ml / min

D. 2.5 mg / min

9000. A common side effect associated with all NSAID drugs is_______________?
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A. Drowsiness

B. Constipation

C. Gastric irritation

D. Xerostomia