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.
The main pathway for De – Novo synthesis of fatty acids occurs in_______________?
A. Mitochondria
B. Nucleus
C. Cytosol
D. None of the above
✅ The correct answer is option C. Cytosol.
Vitamin K____________?
A. Helps in formation of prothrombin
B. Inhibition of antithrombin
C. Prevention of capillary fragility
D. Stimulation of hematopoiesis in red bone marrow
✅ The correct answer is option A. Helps in formation of prothrombin.
1650. Organ of chievity is seen near the______________?
A. Medial surface of the mandible
B. Naso palatine foramen
C. Mental foramen
D. Foramen caecum
✅ The correct answer is option A. Medial surface of the mandible.
265. Abductors of larynx are_______________?
A. Posterior cricoarytendoids
B. Transverse arytenoids
C. Cricothyroid
D. All of the above
✅ The correct answer is option A. Posterior cricoarytendoids.
264. The disc of the tempero mandibular joint moves forward principally by________________?
A. Condyle
B. Stylo mandibular ligament
C. Medial pterygoid muscle
D. Lateral pterygoid muscle
✅ The correct answer is option D. Lateral pterygoid muscle.
Vitamin also acting as hormones________________?
A. Vitamin D
B. Vitamin A
C. Vitamin B1
D. Vitamin C
✅ The correct answer is option A. Vitamin D.
Most of vitamin B12 in the body is stored as_____________?
A. Methyl B12
B. Hydroxy B12
C. Cyano cobalamine
D. None of the above
✅ The correct answer is option A. Methyl B12.
263. Which of the following structures is not present on the internal surface of mandible ?
A. Genial tubercle
B. Mylohyoid ridge
C. Lingula
D. Mental foramen
✅ The correct answer is option D. Mental foramen.
The best tissue tolerated material for crown and bridge_______________?
A. Highly polished porcelain
B. Highly polished acrylic
C. Highly glazed porcelain
D. Highly polished metal
✅ The correct answer is option C. Highly glazed porcelain.