FCPS Part 1 Dentistry 16 August 2015 (complete)


1. Left atrium is supplied by,
C. Circumflex artery.

2. What is the nerve supply of skeletal muscle?
A. 60% motor, 40% sensory.
B. 60% motor, 40% sensory, and some autonomic nerve fibers.
C. 60% sensory, 40% motor.

3. Cementum differs from bone in,
A. Avascular.
B. Fibrous.
C. Elastic.

4. Which if the following is essential fatty acid?
A. Linolenic acid.
B. Oleic acid.
C. Stearic acid.
D. Palmitic acid.

5. What os the difference between benign tumor and hyperplasia?
A. Presence of capsule.
B. Resemblance to parent tissue.
C. Invasion.

6. Disorientation of cell structure, size, and shape is called,
A. Aplasia.
B. Metaplasia.
C. Dysplasia.
D. Anaplasia.
E. Desmoplasia.

7. What is aplasia?
A. Failure of cell formation.
B. Partial absence of organ.
C. Decreased size of organ.

8. A patient presents with fever. What mediator is responsible?
A. IL1 and alpha TNF.

9. Which one is the receptor for vibration sense?
A. Meissners corpuscle.
B. Pacinian corpuscle.

10. A patient has decreased lacrimation. Which ganglion is involved?
A. Pterygopalatine ganglion.

11. What is the condition in which there’s increased chance of caries?
A. Xerostomia.
B. Osteoradionecrosis.

12. What is the side effect of cycloserine?
A. Hemolysis.
B. Hepatitis.
C. Glomerulonephritis.

13. Which anesthetic has highest protein binding?
A. Bupivacaine.
B. Prilocaine.
C. Lidocaine.

14. Which is the last permanent tooth to be replaced?
A. Maxillary canine.
B. Mandibular canine.
C. Mandibular premolar.

15. A patient was prescribed a drug by quack that result in liver necrosis. Which enzyme will raise in this condition?
C. Alkaline phosphatase.

16. If adrenal gland is removed, then patient will have increased taste for?
A. Salt.
B. Sour.
C. Bitter.
D. Sweet.

17. Which causes reabsorption of sodium at DCT?
A. Aldosterone.
B. Arginine vasopressin.

18. Regarding glycolysis,
A. Same as hexosmonophosphate shunt.

19. Regarding BMR,
A. Increase in old.
B. Increase in females than males.
C. Rate at which body uses energy at rest.

20. If there’s breaking of solder joint, which flux is deficient?
A. Fluoride.
B. Chromium.
C. Graphite.

21. If FEV/FRC is less than 80, what does it indicate?
A. Restrictive disease.
B. Pulmonary obstruction.

22. Which organ synthesize cholesterol?
A. Heart.
B. Appendix.
C. Liver.
D. Kidney.

23. Councilman bodies indicate?.
A. Apoptosis.

24. Regarding metaplasia,
A. Replacement of one epithelium by another.

25. What is given in factor VIII deficiency?
A. Cryoprecipitate.

26. Which type of gold alloy is used for crown and bridge construction?
A. Type I.
B. Type II.
C. Type III.
D. Type IV.

27. Thyroid follicles cells derive from?
A. Endoderm.
B. Endoderm and mesoderm.
C. Mesoderm.
D. Mesoderm and ectoderm.
E. Ectoderm.

28. Regarding gums,
A. Epithelium is of stratified squamous type.
B. Partially supplied by facial nerve on buccal side.
C. Partially supplied bt lingual nerve on buccal side.

29. Prolong use of corticosteroids would lead to?
A. Bone fractures and osteoporosis.

30. What type of collagen is present in dentine?
A. Type I.
B. Type II.
C. Type III.
D. Type IV.
E. Type V.

31. Lower lip is formed by,
A. Maxillary process.
B. Mandibular process.

32. Which one of the following is most important mediator of acute inflammation?
A. Histamine.
B. Prostaglandin.
C. Bradykinin.

33. Lesser the mercury content in amalgam,
A. More will be the contraction.
B. Lesser the weakness.
C. More the marginal seal.

34. What is the cause of liquid dysphagia?
A. Loss of neuromuscular incordination.
B. Iron deficiency anemia.
C. Plummer Vinson syndrome.

35. Overdose of lidocaine will cause?
A. Perioral paresthesia.
B. Convulsions which last for several hours.

36. What is gamma 2 phase in amalgam?
A. Sn3Hg.
B. Sn2Hg.
C. Ag3Sn.
D. Ag3Hg.
E. Ag2Sn.

37. If the patient is having renal failure, then which organ will be hyperplastic?
A. Parathyroid gland.
B. Pituitary gland.
C. Kidney.
D. Thyroid gland.

38. What is the cause of porosities that appear while heat curing of acrylic denture?
A. Temperature is above boiling point of monomer.

39. Which drug requires regular blood monitoring?
A. Vancomycin.

40. What is the mechanism of action of co-trimoxazole?
A. Inhibits cell wall synthesis.
B. Inhibits folic acid synthesis.
C. Inhibits protein synthesis.

41. Process by which protein is formed is?
A. Fritting.
B. Firing.

42. What is the difference of second heart sound from the first heart sound?
A. It has increased frequency.
B. Duration of second heart sound is more.

43. Which substance is responsible for binding of plaque to tooth surface
A. Dextran.
B. Sucrose.
C. Saliva.
D. Fructose.
E. Materia alba.

44. Sodium lauryl sulfate in dentrifice act as,
A. Detergent.

45. Which material can be technically reused?
A. Agar agar.
B. Alginate.

46. Regarding elastomeric impression materials.
A. Hydrophilic.
B. Hydrophobic.
C. Water loving.

47. Regarding Vitamin D,
A. It’s increase causes tetany.
B. Usually in ionized form.

48. Trachea is a tube. What is true about it?
A. Bifurcate at T2.
B. Fibrous cartilage present.
C. Ends at the lowere border of fourth cervical vertebrae.

49. Which of the following acts on COX 2?
A. Meloxicam.

50. Which NSAID is safe to be given in lactation?
A. Ibuprofen.
B. Naproxen.

51. A patient presents with slow growing, painless swelling at the junction of hard and soft palate, which os present for many years without any ulceration or telangiectasia of overlying mucosa. The most likely diagnosis is,
A. Pleomorphic adenoma.
B. Monomorphic adenoma.
C. Papillary cyst adenoma lymphomatosum.
D. Oncocytoma.
E. Glubulomaxillary cyst.

52. Which of the following liners should not be used u der composite restoration?
A. CaOH.

53. Regarding light curing of composite,
A. It shrinks towards light.
B. It expands toward light.
C. It shrinks away from light.
D. It expands away from light.

54. The property of metal clasp that helps in it’s insertiom amd removal without its breakage is?
A. Fatigue resistance.

55. A pit on bone surface is called as,
A. Fossa.
B. Fovea.
C. Fissure.
D. Foramen.

56. If there’s loss of sensation of quinine drops on posterior 1/3rd of tongue, then which nerve is likely to be damaged?
A. Glossopharyngeal.
B. Hypoglossal.
C. Facial.
D. Lingual.

57. If a patient is having damage of right hypoglosdal nerve then there would be,
A. Deviation of tongue on right side.
B. Deviation of tongue on left side.
C. Loss of taste sensation.
D. Tongue can not be protruded.

58. In a patient of meningococcal meningitis without allergy, which drug should be given?
A. Penicillin G.
B. Ciprofloxacin.

59. The pehnomenon of loss of water by evaporation from surface of hydrocolloid gel is called,
A. Hysteresis.
B. Syneresis.

60. What type of joint is present between two halves of mandible?
A. Symphesis.
B. Syndesmosis.
C. Synchondrosis.
D. Gomphosis.

61. Which is the most potent stimulus for erythropoetin?
A. Hypoxia.

62. Regarding aldosterone,
A. Most important mineralocorticoid.
B. Precursor of 17-hydrocorticosterone.

63. Regarding parotid duct,
A. Opens at lower second molar tooth.
B. Pierces buccinator muscle.

64. Regarding middle ear,
A. Roof is formed by tegmen tympani.

65. A boxer comes to opthalmologist for eye examination. His vision is 6/6. He has diplopia. He can lift the eyeball, but when he tries to depress it then it rotates medially. Which nerve is likely to be damaged?
A. Superior nucleus of occulomotor nerve.
B. Inferior nucleus of occulomotor nerve.
C. Facial nerve.
D. Trochlear nerve.
E. Abducent nerve.

66. Which opioid will cause refractory excitement?
A. Morphine.
B. Fentanyl.
C. Synfentanyl.

67. If a patient is taking MAOIs, then what will one dose of benzodiazepine cause in this patient?
A. Coma.
B. Increase BP.

68. Where does accesory rib attach?
A. T1.
B. C1.
C. C7.

69. Which is antidote of Morphine?
A. Naloxone.
B. Naltrixone.
C. Amphetamine.
D. Fluconazole.
E. Meperidine.

70. Regardig cricoid cartilage,
A. Inferior constrictor is attached to it.
B. Vocal cords are attached to it.

71. Which anesthetic agent decomposes on light?
A. Halothane.
B. Isoflurane.
C. Sevoflurane.

72. Aortic arh by which common carotid artery derives?
A. First.
B. Second.
C. Third.
D. Fourth.
E. Fifth.

73. Regarding fifth aortic arch, what is appropriate?
A. No derivatives in adult.
B. Give rise to ligamentum terse.
C. Give rise to ligamentum arteriosum.

74. Propranolol is contraindicated in,
A. Asthma.
B. Renal failure.
C. Glaucoma.
D. Hypertension.

75. Which organic component is present in dentine and bone?
A. Collagen.
B. Elastin.
C. Glycosaminoglycans.
D. Hyaluronic acid.

76. Mechanism of action of NSAIDS is,
A. Inhibit cycloxygenase pathyway.

77. Mechanism of action of NSAIDS in coronary artey disease is,
A. Inhibit cycloxygenase pathway.
B. Anti-inflammatory.

78. Hemolytic transfusion reaction is which type of hypersensitivity?
A. Type I.
B. Type II.
C. Type III.
D. Type IV.

79. The percentage of polymerization shrinkage in polymethyl methacrylate is,
A. 21%.
B. 26%.
C. 33%.
D. 30%

80. A patien is having painless, and non tender swelling in mid-palatal region. What is likely diagnosis?
A. Glubulomaxillary cyst.
B. Torus palatinus.
C. Nasoalveolar cyst.

81. Most common route of transmission of hepatitis B and C is,
A. Blood transfsion.
B. Contaminated needles.
C. Water dropletes.

82. A female is having epithelial changes of stratified squamous tyle in the endocervical region. This cha ge is due to,
A. Anaplasia.
B. Metaplasia.
C. Dysplasia.
D. Desmoplasia.

83. Regarding iron deficiency anemia,
A. Occurs most commonly in persons above 20 years of age.
B. Is due to acute blood loss.
C. Mucosal thinkening leads to dysphagia.
D. Macrocytic, and hypochromic.

84. Regarding T wave,
A. Due to ventricular repolarization.
B. Due to ventricular depolarization.

85. Which one is the accelerator of ZOE cement,
A. Zinc acetate.
B. Potassium sulfate.

86. Antigravity muscles maintained by,
A. Corticospinal and corticorubral tract.
B. Cerebellum.
C. Basal ganglia.
D. Vestibulospinal.

87. Which one maintains urine output on long duration,
A. Vasopressin.
B. Aldosterone.
C. Renin.

88. Maxillary sinus,
A. Opens into middle meatus through hiatus semilunaris.
B. Involves all maxillary teeth.

89. Anterior and posterior humeral circumflex artery are branches of,
A. Axillary artery.

90. An imaginary line on posterior wall of rectus sheath midway between umblicus and pubic crest is called,
A. Arcuate line.
B. Pectinate line.
C. Inguinal line.

91. Infusion of antibidy in blood will indicate which type of immunity?
A. Active natural.
B. Active artificial.
C. Vaccination.
D. Passive natural.
E. Passive artificial.

92. An old man falls from bed and got fracture of head of humerus. What is likely cause of this fracture?
A. Nutrition deficiency.
B. Endocrine deficiency.
C. Decreased calcium level.

93. A patient comes to OPD with hisotry of RTA, having intraoral bleeding and is unable to close his mouth, there’s open bite, long face, and step deformity. Which type of fracture it is?
A . Condylar fracture.
B. Zygomatic fracture.
C. Lefort 1 fracture.

94. Regarding Isoniazid,
A. Adverse effects can be prevented by pyridoxine.
B. Inhibits nucleic acid synthesis.

95. Which environmental effect will not cause any abnormal growth,
A. Clenching.
B. Anterior crossbite.
C. Posterior crossbite.

96.An alcoholic woman gives birth to a child, who’s diagnosed to have fetal alcohol syndrome. What are the main characteristic features of fetal alcohol syndrome,
A. Thin upper lip.
B. Epicanthal folds.
C. Microcephaly.
D. Short nasal bridge.

97. After taking an impression from impression plaster, what separating media is used?
A. Soap solution.
B. Tin foil.
C. Water soluble alginate.
D. Petroleum jelly.
E. Cold mold seal.

98. Central chemoreceptors are sensitive to,
A. Decreased pH.
B. Decreased Co2.

99. During standing the mechanism which facilitates the blood flow towards heart is,
A. Leg muscle contraction.
B. Gravity.

100. When cyclosporin is given to a liver or kidney transplant, what would be it’s action?
A. Inhibits differentiation of T cells.
B. Acts on B lymphocytes.
C. Decrease inflammatory response.

101. Bile salts present in bile,
A. Conjugated with glycine and tyrosin.
B. Conjugated to glucouronic acid.

102. Regarding RBCs,
A. Life span is of three weeks.
B. Directly form from ponly chromaticity erythrocytes.
C. Stain basophilic on blood histology.
D. When aged broken down in spleen.
E. More in females.

103. When biopsy is taken from cervical region, what would be findings,
A. Lymoh nodules not present.
B. Collagen fibers present.
C. afferent and efferent fibers present.

104. After infusion of large amount of dextrose water, which hormone will be inhibited?
A. Vasopressin.
B. Aldosterone.
C. Insulin.

105. Which one of anterior pituitary hormone has inhibitory control through hypothalamus.
B. GH.
C. Prolactin.
D. Cortisol.
E. Somatostanin.

106. A boy collapsed 2 hours after tonsillectomy. What is reason behind this?
A. Hypovolumic shock.
B. Septicemic shock.
C. Neurogenic shock.
D. Cardiogenic shock.
E. Toxic shock.

107. What is an absolute contraindication of Propofol:
A. Hypersensitivity.
B. Cardiac problems.
C. Porphyria.
D. Pregnancy.

108. Regarding saliva,
A. Hypertonic.

109. What is the reason of elongatation of tooth on xray?
A. Wrong angulation.
B. Underdeveloped xray.
C. Overdeveloped xray.
D. Defective fixer.
E. Cloudiness of film.

110. In which period of organogenesis smoking is hazardous?
A. 3 to 8 weeks.
B. 7 to 12 weeks.
C. 1 to 4 weeks.

111. Fetal movements are felt in which month?
A. 4 month.
B. 6 month.
C. 7 month.
D. 2 month.

112. Edema in nephrotic syndrome is due to,
A. Hypoabuminemia.
B. Increased hydrostatic pressure.
C. Lymph obstruction.

113. Which organs contain abundant amount of glucose-6-phosphate?
A. Liver.
B. Heart.
C. Brain.
D. Kidney.

114. Which one is best diagnostic test for osteoporosis?
A. Serum calcium and phosphorus.
B. X ray.
C. Measurement of bone mineral content.

115. What radiations are used in radiotherapy?
A. Xrays.
B. Gamma rays.
C. UV rays.

116. Which is most serious long term complication of radiotherapy?
A. Leukemia.
B. Growth retardation.

117. A homosexual male has corrugated appearance on his tongue. What is the cause?
A. Elongation of folate papillae.
B. Hairy tongue.
C. Reddish brown patch.
D. Caused by EBV.

118. EBV causes,
A. Nasopharyngeal carcinoma.
B. Squamous cell carcinoma.
C. Basal cell carcinoma.

119. A patient is having pain in the region between orbit and lips and towards auricle. This pain sensation is carried by,
A. Maxillary branch of trigeminal nerve.
B. Mandibular nerve.
C. Facial nerve.

120. The median forhead is supplied by,
A. Paired supratrochlear.
B. Supraorbital.
C. Facial.
D. Great auricular.

121. A patient received PPD. After 24 hours he devoped an indurated area. The cells most likely present in indurated area are,
A. B cells.
B. T cells.
C. Macrophages.
D. Neutrophils.
E. Leukocytes.

122. A patient comes to OPD with history of RTA. He had shallow breathing. His respiratory rate is 11 breaths/minute. He probably has,
A. Decreased O2, increased CO2, decreased H+, increased pH.
B. Decreased pH.
C. Decreased O2, increased CO2.

123. Human body can tolerate the deficiency of,
A. Lipids.
B. Proteins.
C. Iodine.
D. Carbohydrates.

124. A patient presents with a localized abscess with multiple draining sinus that contain sulfur granules. Which organ is likely cause?
A. Actinomyces israeli.
B. Staphylococcus.
C. E.coli.

125. SVC, IVC, and coronary sinus opens into,
A. Right atrium.
B. Right ventricle.
C. Left atrium.
D. Left ventricle.

126. Jugular pulse is different from carotid pulse in,
A. Independent of respiration.
B. Dependent on respiration.
C. Independent on position.
D. Changes with respiratory rate.

127. Cervical vertebrae is previously found from,
A. Somites 7.
B. Somites 7 and 8.
C. Somites 6 and 7.
D. Somites 6.

128. A 55 year old man has weakness of arm with improper speech, he speaks slurred words, intellugence is normal. The lesion is likely to be in,
A. Dominant parietal lobe.
B. Non dominant parietal lobe.
C. Dominant frontal lobe.
D. Occipital lobe.
E. Non dominant frontal lobe.

129. Blood supply of pectoralis flap,
A. Facial artery.
B. Internal thoracic artery.
C. Thoracoacromial artery.

130. Optic tract ends at,
A. Lateral geniculate body.
B. Visual cortex.
C. Optic tract.
D. Medial geniculate body.
E. Optic radiation.

131. Chemical reaction of gypsum is called,
A. Precipitation.
B. Calcification.

132. What is the diagnostic test for tuberculosis?
B. Caseous necrosis.
C. Chest xray.
D. Montaux test.

133. Halothane is not used alone. It ahould be combined with,
A. NO.
B. Thiopentone.

134. In which condition cardiac output is markedly increased?
A. Exercise.
B. Eating.
C. Sleep.
D. Anxiety.
E. Increased body temperature.

135. Which structure arches over the root of left lung.
A. Vagus nerve.
B. Azygous vein.
C. Arch of aorta.

136. Creatinine clearance in moderate kidney failure is,
A. Less than 25.
B. 25 to 40.
C. 40 to 60.
D. Above 60.

137. Regarding parasympathetic system,
A. Associated with nuclei of 3rd and 4th ventricles.
B. Innervated by adrenal gland.
C. Post gangkionic neuron lie in the wall or close to orgam supplied.

138. Why HDL is protective?
A. It carries cholesterol away from endothelial cells.
B. CETP remain inhibited.
C. HDL has pleiotropic effect.
D. High protein content provides protection.
E. LCAT catalyzes esterification.

139. What would be the findings in adult pyogenic meningitis?
A. Increased glucose.
B. Increased protein.
C. Decreased glucose.
D. Decreased protein.

140. What is the important cause of secondary polycythemia?
A. Increased erythropoetin.
B. Vitamin B12.

141. True about thyroid gland,
A. Iodine binds with tyrosine by enzyme tyrosinase.
B. Required for skeletal maturation.
C. Increased level causes muscle weakness.

142. True about active transport,
A. Uphill transport for few cells.
B. Carried mediated.
C. Does not require ATP.

143. Secondary active transport occurs through,
A. Sodium.
B. Glucose.
C. Potassium.

144. Bioavailabilty is related to,
A. Oral route.
B. IV route.
C. IM route.
D. SL route.
E. SC route.

145. Lipoprotein with highest protein content is,
E. Chylomicrons.

146. Aspirin causes,
A. Decrease in body temperature.
B. Increase in body temperature.
C. Decrease in elevated temperature in fever.

147. Which one is an example of pharmacodynamics?
A. Effect of morphine is reversed by Naloxone.

148. Nasolacrimal duct opens into,
A. Inferior nasal meatus.
B. Middle meatus.
C. Sphenoethmoidal recess.
D. Superior meatus.

149. In chronic allergy, important mediator is,
A. Histamine.
B. Esinophils.
C. Bradykinin.

150. Which one is the primary cartilagenous joint,
A. Chostochondral.
B. Symphysis.
C. Gomphosis.
D. Syndesmosis.
E. Costovertebral.

151. A patient presents with moon face, hypertension, and osteoporosis. Which of the following findings are present in this patient?
A. Increased blood glucose.
B. Decreased blood glucose.
C. Increased calcium.
D. Decreased calcium.
E. Increased phosphate.

152. Damage to ulnar nerve will cause,
A. Loss of abduction and adduction of thumb and index finger.
B. Loss of sensation in thumb, index finger, and middle finger.

153. A paedodontist sends an stainless steel crown for repair. The technichian was unable to join the fractured parts. The primary ingredient missing is,
A. Fluoride.
B. Chromium.
C. Sodium chloride.
D. Zinc.

154. Immediate precursor of epinephrine is,
A. Norepinephrine.
B. Dopamine.
C. Tyrosine.
D. Phenylalanine.

155. Biotin is involved in,
A. Carboxylation.
B. Decarboxylation.
C. Deamination.
D. Transamination.

156. Which one is systemic antifungal of choice?
A. Amphotericin B.
B. Nystatin.
C. Ketoconazole.

157. Regarding glossopharyngeal,
A. Supplies all the muscles of larynx.
B. Supplies palatoglossus.

158. Regarding CSF,
A. Procides cushioning effect that protects brain.
B.Formed by choroid plexus.

159. A lady ate a rosted lamb. Which enzyme is necessary for it’s digestion.
A. Enteropeptidase.

160. Triglycerides,
A. Exist in free form in body.
B. Not present in dietry fat.
C. Transport in lipoprotein.
D. Cholesterol is not synthesised in liver.
E. Fatty acids bind to carbohydrates.

161. Diffusion of gas through lung is increased by,
A. Increased diffusion capacity.
B. Increased membrane thickness.
C. Decreased temperature.
D. Decreased surface area.

162. Boundaries of digastric triangle are,
A. Anterior and posterior bellies of digastric and mandible.
B. SAM, Midline of neck, and digastric.

Thank you Vena amoris, Edinger Westphal, Vasa thebasi, Saad Saud, Tarique shaikh, Jai Kishan for helping me completing the stems and options ofor MCQs. We’ve tried to recall accurate stems. Additions and corrections are welcomed.


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