Medical MCQs

5099 MCQs  (Page 274 of 510)

A suitable fixative for a routine biopsy specimen is_____________?
A. 10% formalin
B. 40% formalin
C. 20% formalin
D. 10% alcohol
Dehydration of specimen is carried out by____________?
A. By using 10% formalin
B. By using liquid or solid co2
C. By using increasing percentages of alcohol
D. By using 5% nitric acid
Resorption of dental tissue is caused by_____________?
A. Osteoclasts
B. Osteoblasts
C. Odontoclasts
D. Odontoblasts
Tooth buds of permanent mandibular incisors are situated_____________?
A. Lingual to primary teeth
B. Inferior to primary teeth
C. Labial to primary teeth
D. A and b
In resorption of roots of the primary teeth, the dental pulp_____________?
A. Plays a passive role
B. Becomes a fibrotic non-vital mass
C. Initiates resorption from the inner surface of roots
D. Aids in formation of secondary dentin slowing down resorption
Tooth eruption is due to______________?
A. Osteoclastic activity
B. Proliferation of cells at crypt
C. Exforliation of primary tooth
D. Eruptive force
Sjorgen’s syndrome includes all except____________?
A. Xerostomia
B. Keratoconjunctivitis
C. Arthritis
D. Lymphoma
The recurrence of pleomorphic adenoma is attributed to____________?
A. Presence of an incomplete capsule
B. Mixed origin
C. Absence of capsule
D. Perineural spread