A. Collagen fibers are oriented perpendicular to DEJ
B. Vonkorff fibers are present
C. Contain phosphophoryn
D. Requires matrix vesicle for mineralization
✅ The correct answer is option C. Contain phosphophoryn.
Medical
The anticoagulant of choice used in the blood bank is_______________?
A. Calcium oxalate
B. Heparin solution
C. Acid citrate dextrose solution
D. Sodium fluoride
✅ The correct answer is option C. Acid citrate dextrose solution.
Alveolar process helps in providing_____________?
A. Support and retention to the complete denture
B. Boundaries for the tongue during speech
C. Attachment to muscles of facial expression
D. Support the natural teeth
✅ The correct answer is option D. Support the natural teeth.
The maxillary vein accompanies_______________?
A. First part of maxillary artery
B. Second part of maxillary artery
C. Third part of maxillary artery
D. None of the above
✅ The correct answer is option A. First part of maxillary artery.
Pain producing substance is________________?
A. Serotonin
B. Substance P
C. Histamine
D. Acetyl choline
✅ The correct answer is option B. Substance P.
Sphenoidal air sinus is supplied by ________ nerve?
A. Posterior ethmoidal nerve
B. Posterior superior alveolar nerve
C. Sphenoidal nerve
D. Infratemporal nerve
✅ The correct answer is option A. Posterior ethmoidal nerve.
Pain originate in the pulp due to_________?
A. free nerve ending in cell rich zone
B. free nerve ending at sub odontoblastic layer
C. Krause bulb at the center of the pulp
D. Meisseners corpuscles at cell rich zone
✅ The correct answer is option B. free nerve ending at sub odontoblastic layer.
Over-trituration of silver alloy and mercury_______________?
A. Reduces contraction
B. Increases the strength of lathe cut alloy but reduces the strength of spherical alloy amalgam
C. Decreases creep
D. Gives al dull and crumbly amalgam
✅ The correct answer is option B. Increases the strength of lathe cut alloy but reduces the strength of spherical alloy amalgam.
A pronounced developmental groove is usually present on the mesial marginal ridge of a permanent________________?
A. Mandibular third molar
B. Mandibular second premolar
C. Maxillary second molar
D. Maxillary first premolar
✅ The correct answer is option D. Maxillary first premolar.
Afferent sensation from the lower molar teeth is carried by____________?
A. Facial nerve
B. Mandibular division of the trigeminal nerve
C. Maxillary division of the trigeminal nerve
D. Opthalmic branch of the trigeminal
✅ The correct answer is option B. Mandibular division of the trigeminal nerve.