1421. Ligamentum denticulaum is________________?
A. Only a pair of pial extension
B. A dural derivative
C. Arachnoid extension only
D. Extends to sacral segments only
✅ The correct answer is option A. Only a pair of pial extension.
Medical
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1422. The interdental papilla is located in the______________?
A. Facial embrasure
B. Lingual embrasure
C. Cervical embrasure
D. Occlusal embrasure
✅ The correct answer is option C. Cervical embrasure.
1423. An 8 – yr old child comes to your clinic with large front teeth having jagged margins, what is the treatment plan for this patient ?
A. Smoothen the jagged margins and apply fluoride varnish
B. Build up other teeth to large size
C. Extraction of big teeth
D. Assure him and send him back
✅ The correct answer is option D. Assure him and send him back.
1424. Life cycle of RBC is_______________?
A. 12 days
B. 90 days
C. 120 days
D. One month
✅ The correct answer is option C. 120 days.
1425. Which of the following is not true of Vit D_______________?
A. Its active form is calcitriol
B. Increase calcium absorption from the intestines
C. Its deficiency results in rickets
D. Its decrease cause phosphate reabsorption from the kidneys
✅ The correct answer is option D. Its decrease cause phosphate reabsorption from the kidneys.
1426. All of the following are derivatives of connective tissue except ___________?
A. Endothelial cells
B. Clara cells
C. Fibroblast
D. Mast cells
✅ The correct answer is option B. Clara cells.
1427. The most common form of hypoxia is______________?
A. Hypoxic
B. Stagnant
C. Anemic
D. Histotoxic
✅ The correct answer is option A. Hypoxic.
1428. A child has 12 permanent and 12 decidous teeth, what is his age____________?
A. 8½ years
B. 11½ years
C. 4½ years
D. 13½ years
✅ The correct answer is option A. 8½ years.
1429. The dentin adjacent to the dentinoenamel junction is called the______________?
A. Mantle dentin
B. Circumpulpal dentin
C. Predentin
D. Secondary dentin
✅ The correct answer is option A. Mantle dentin.
1430. Which statement is correct about decidous dentition?
A. Calcification of maxillary primary first premolar is completed at birth
B. Mandibular first molar erupts at one and half years of age
C. The crowns of primary dentition are more yellowish than permanent
D. The primary dentition is initiated at 10th month in uterus
✅ The correct answer is option B. Mandibular first molar erupts at one and half years of age.