2241. Periodontal ligament has predominantly_________?
A. Type II collagen fibres
B. Oxytalan fibres
C. Elastic fibres
D. Type I collagen fibres
✅ The correct answer is option D. Type I collagen fibres.
Medical
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2242. Acetyl CoA is produced from which fuel sources_____________?
A. Carbohydrate
B. Lipid
C. Amino acids
D. All of the above
✅ The correct answer is option D. All of the above.
2243. Which of the following statements regarding middle constrictor muscle is wrong__________________?
A. Lies on superior constrictor
B. Lymph from it drains in the deep cervical lymph nodes
C. Has sensory innervation from vagus
D. Is a derivative of the second pharyngeal arch
✅ The correct answer is option D. Is a derivative of the second pharyngeal arch.
2244. Hypolossal nerve is________________?
A. Purely sensory
B. Purely motor
C. Mixed
D. Spinal nerve
✅ The correct answer is option B. Purely motor.
2245. How many cusps does the crown of the maxillary first primary molar have ?
A. 2
B. 3
C. 4
D. 5
✅ The correct answer is option C. 4.
2246. Mercury rich condition in a slow setting amalgam alloy system in a resoration in______________?
A. Accelerated corrosion
B. Fracture of the restoration
C. Merginal damage
D. All of the above
✅ The correct answer is option D. All of the above.
2247. Contraceptive action of combined pill is mainly due to_______________?
A. Decrease in tubal motility
B. Prevents the fertilization
C. Prevents the implantation of fertilized egg
D. Inhibits ovulation
✅ The correct answer is option D. Inhibits ovulation.
2248. The vascular supply of the periodontal ligament is______________?
A. Greatest in the middle-third of a single rotted tooth
B. Greatest in the middle-third of a multirooted tooth
C. A net like plexus that runs closer to the cementum than to the bone
D. A net like plexus that runs closer to the bone than to the cementum
✅ The correct answer is option D. A net like plexus that runs closer to the bone than to the cementum.
2249. External maxillary artery is a branch of_____________?
A. Internal carotid artery
B. External carotid artery
C. Second part of trigeminal
D. Facial artery
✅ The correct answer is option B. External carotid artery.
2250. Sweat glands are supplied by only_______________?
A. Parasympathetic nerves
B. Sympathetic nerves
C. Sensory nerves
D. Motor nerves
✅ The correct answer is option B. Sympathetic nerves.