Medical Archives

101. Inter globular dentin results due to_____________?

A. Failure of coalescence of calcospherities

B. Fracture of the dentin

C. Artifact in light microscopy

D. Disturbance in dentinal tubules

✅ The correct answer is option A. Failure of coalescence of calcospherities.

102. Cardiac output is not affected by __________________?

A. Heart rate

B. Peripheral resistance

C. Systolic blood pressure

D. Venous return

✅ The correct answer is option C. Systolic blood pressure.

103. The bud, cap and bell stage of the developing tooth are based, on growth of the______________?

A. Stellate reticulum

B. Dental papilla

C. Enamel organ

D. Dental sac

✅ The correct answer is option C. Enamel organ.

104. Level III neck nodes are____________?

A. In the sub- mental triangle

B. In the posterior triangle

C. In the midline from hyoid to suprasternal notch

D. around the middle 1/3rd of internal jugular vein

✅ The correct answer is option D. around the middle 1/3rd of internal jugular vein.

105. Porosity in porcelain can be prevented by_______________?

A. Thoroughness of condensation

B. Rapidity of firing

C. High firing temperature

D. All of the above

✅ The correct answer is option A. Thoroughness of condensation.

106. Inorganic content of cementum is______________?

A. 45 to 50%

B. 50 to 55%

C. 55 to 60%

D. 60 to 65%

✅ The correct answer is option A. 45 to 50%.

107. The percentage of copper in high copper alloy is______________?

A. 10-12%

B. 0-6%

C. 13-30%

D. 20-30%

✅ The correct answer is option C. 13-30%.

108. Rate limiting step in cholesterol synthesis is_______________?

A. HMG CoA synthetase

B. HMG CoA lyase

C. HMG CoA reductase

D. Mevalonate synthetase

✅ The correct answer is option C. HMG CoA reductase.

109. Which of the following statement is TRUE? The hydrolysis of lactose yields glucose and galactose_____________?

A. The hydrolysis of lactose yields glucose and galactose

B. The hydrolysis of maltose yields glucose and fructose

C. The hydrolysis of sucrose yields only glucose

D. All of the above statements are true

✅ The correct answer is option A. The hydrolysis of lactose yields glucose and galactose.

110. Which muscle is responsible for translation of condyle ?

A. Medial pterygoid

B. Masseter

C. Superior constrictor of pharynx

D. Lateral pterygoid

✅ The correct answer is option D. Lateral pterygoid.