1691. Delay in blood coagulation results from________________?
A. Human thrombin
B. Heparin
C. Ferric chloride
D. Vit- K
✅ The correct answer is option B. Heparin.
Medical
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1692. Arterial O2 content is reduced in one of following ______________?
A. Stagnant hypoxia
B. Anemic hypoxia
C. Histotoxic hypoxia
D. Hypoxic or arterial hypoxia
✅ The correct answer is option B. Anemic hypoxia.
1693. Parasympathetic stimulation of heart causes______________?
A. SA node decreases firing
B. Increased AV node excitability
C. Decreased ventricular contraction
D. Tachycardia
✅ The correct answer is option A. SA node decreases firing.
1694. Which of the following muscle is attached to posterior part of pterygomandibular raphe ?
A. Lateral pterygoid
B. Buccinator
C. Superior constrictor
D. Medial pterygoid
✅ The correct answer is option C. Superior constrictor.
1695. Odontoblasts are derived from______________?
A. Undifferentiated mesenchymal
B. Histocytes
C. Macrophages
D. Lymphocytes
✅ The correct answer is option A. Undifferentiated mesenchymal.
1696. The glands of Blandin and Nuhn are_____________?
A. The posterior lingual glands
B. The anterior lingual glands located near the apex of tongue
C. The glossopalatine glands
D. The palatine glands
✅ The correct answer is option B. The anterior lingual glands located near the apex of tongue.
1697. The vermilion border requires frequent moistening because_____________?
A. It contains more No. of sweat glands
B. It contains more do. of sebaceous glands
C. It contains less number of sebaceous glands
D. It contains less number of sweat glands
✅ The correct answer is option C. It contains less number of sebaceous glands.
1698. Blood brain barriers is absent in all of the following areas except__________________?
A. Subfornical region
B. Habenuclear trigone
C. Area posterma
D. Neurohypophysis
✅ The correct answer is option B. Habenuclear trigone.
1699. Coefficient of thermal expansion of metal-ceramic alloys is________________?
A. Same as porcelain
B. More than porcelain
C. Less than porcelain
D. More than or equal to porcelain but not less
✅ The correct answer is option D. More than or equal to porcelain but not less.
1700. All are components of basement membrane except________________?
A. nidogen
B. Laminin
C. Eutactin
D. Rhodopsin
✅ The correct answer is option D. Rhodopsin.