A. Mannitol fermentation
B. Hemolysis of sheep erythrocytes
C. Detection of coagulase
D. The catalase test
✅ The correct answer is option Detection of coagulase.
324. In penicillin allergy, penicillin acts as a_______________?
A. Hapten
B. Carrier
C. Super antigen
D. Toxin
✅ The correct answer is option Hapten.
359. Hepatitis A virus is best diagnosed by______________?
A. IgM antibodies in serum
B. Isolation form stool
C. Culture from blood
D. Isolation from bile
✅ The correct answer is option IgM antibodies in serum.
290. The effects of Adrenaline on heart are all except__________________?
A. Increases heart rate
B. Decreases myocardial irritability
C. Increases force of contraction
D. Increases oxygen uptake by heart
✅ The correct answer is option B. Decreases myocardial irritability.
285. The calcified mass found in the PDL are_____________?
A. Cementicles
B. Osteoblasts
C. Cementoclasts
D. Osteoclasts
✅ The correct answer is option A. Cementicles.
320. Which of the following groups of fibres are not attached to alveolar bone ?
A. Transseptal
B. Horizontal
C. Oblique
D. Apical
✅ The correct answer is option A. Transseptal.
315. The oral and pharyngeal phases of swallowing take place very rapidly and last about______________?
A. 3.5 seconds
B. 1-1.5 seconds
C. 6.0 seconds
D. 9.5 seconds
✅ The correct answer is option B. 1-1.5 seconds.
314. Shape of crown and the size of the roots is determined by______________?
A. Pulp
B. Dentin
C. Enamel
D. Cementum
✅ The correct answer is option B. Dentin.
15. The term trituration means____________?
A. Lysing amalgam alloy
B. Mixing of amalgam alloy and mercury
C. Removal of excess of mercury
D. None of the above
✅ The correct answer is option B. Mixing of amalgam alloy and mercury.
308. Among the following the structure that is most calcified is_______________?
A. Enamel lamella
B. Enamel rod
C. Enamel spindle
D. Enamel tuft
✅ The correct answer is option B. Enamel rod.