A. 2nd optic nerve
B. 4th nerve
C. 6th nerve
D. Mandibular division of trigeminal nerve
✅ The correct answer is option A. 2nd optic nerve.
Medical
The esophagus commences at the following level________________?
A. Lower end of cricoid
B. C5 vertebra
C. 10 cm from incisor teeth
D. C7
✅ The correct answer is option A. Lower end of cricoid.
Which teeth the proximal aspect shows rhomboidal appearance________________?
A. Maxillary posteriors
B. Mandibular posteriors
C. Maxillary anteriors
D. Mandibular anteriors
✅ The correct answer is option B. Mandibular posteriors.
The arterial supply of trachea is by the____________?
A. Bronchial artery
B. Tracheal artery
C. Inferior thyroid artery
D. Superior thyroid artery
✅ The correct answer is option C. Inferior thyroid artery.
High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?
A. Have less marginal breakdown
B. Are workable at lower Hg-alloy ratio
C. Have a higher ratio of tensile to compressive strength
D. Have less resistance to tarnish and corrosion
✅ The correct answer is option A. Have less marginal breakdown.
Tremors are seen in disorder of_________________?
A. Basal ganglia
B. Pain pathway
C. Pyramidal tract
D. Parathyroid gland
✅ The correct answer is option A. Basal ganglia.