A. H2 bond
B. Hydrophobic
C. Ionic bond
D. Disulphide bond
✅ The correct answer is option E. None of the above.
2570. Pulp chambers and roots canals in decidous teeth______________?
A. Wide and deep
B. Shallow and narrow
C. Wide and narrow
D. Shallow and wide
✅ The correct answer is option D. Shallow and wide.
2567. When a person lies down_______________?
A. There is immediate increase in venous return
B. Heart rate becomes stable at slightly more than normal
C. Cerebral blood flow increase & becomes stable at more than normal
D. Blood flow to the Apex of lung decrease
✅ The correct answer is option A. There is immediate increase in venous return.
Porcelain is best fired__________________?
A. In open air
B. Under air compression
C. When several layer are fired simultaneously
D. Under minimum pressure
✅ The correct answer is option B. Under air compression.
2561. Which of the following is not correct?
A. Free denticles are entirely surrounded by pulp tissue(free of dentin)
B. Embedded denticles are entirely surrounded by dentin (embedded in dentin)
C. Attached denticles are partly fused with dentin
D. False denticles contains many dentinal tubules
✅ The correct answer is option D. False denticles contains many dentinal tubules.
2558. Epinephrine is most closely related in structure to ____________________?
A. Niacin
B. Tyrosine
C. Methionine
D. Glycerol
✅ The correct answer is option B. Tyrosine.
2555. In the majority of situations, the first decidous tooth to erupt is the______________?
A. Mandibular central incisor
B. Mandibular first molar
C. Maxillary central incisor
D. Maxillary second molar
✅ The correct answer is option A. Mandibular central incisor.
2520. Sensory receptors for pain are_______________?
A. Pacinian corpuscles
B. End organs of Ruffini
C. End bulbs of Krause
D. Free nerve endings
✅ The correct answer is option D. Free nerve endings.
2517. Lateral movement of condyle is caused by_____________?
A. Contralateral lateral pterygoid muscle
B. Both lateral and medial pterygoid muscle
C. Epsilateral lateal pterygoid muscle
D. Bilateral contraction of lateral pterygoid muscle
✅ The correct answer is option B. Both lateral and medial pterygoid muscle.
457. Muscles of the tongue are derived from__________________?
A. 1st pharyngeal swelling
B. Lateral lingual swelling
C. Occipital myotomes
D. Preoptic myotome muscles
✅ The correct answer is option C. Occipital myotomes.