A. Lowering the activation energy
B. Increasing the substrate concentration
C. Decreasing the surface tension
D. Increasing the activation energy
✅ The correct answer is option A. Lowering the activation energy.
Medical
Which of the following has a nonfunctional cusp ?
A. Mandibular canine
B. Maxillary second premolar
C. Mandibular first premolar
D. None of the above
✅ The correct answer is option C. Mandibular first premolar.
Unsaturated fatty acids are converted to______________?
A. Prostaglandins
B. Cholesterol
C. Cell membrane lipid
D. Saturated fatty acid
✅ The correct answer is option A. Prostaglandins.
Structures passing through the sigmoid (mandibular ) notch are_____________?
A. Auriculotemporal nerve
B. Mandibular nerve
C. Masseteric nerve and vessels
D. Chorda tympani
✅ The correct answer is option C. Masseteric nerve and vessels.
Bile salt repeats its cycle in____________?
A. 4 times a day
B. 2 times in between meals
C. 8 times a day
D. 10 times a day in fasting
✅ The correct answer is option C. 8 times a day.
What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite – wing radigraph ?
A. 3-4 months
B. 4-5 months
C. 5-6 months
D. 6-7 months
✅ The correct answer is option B. 4-5 months.
Parasympathetic nerve supply to salivary gland is by____________?
A. VII and IX cranial nerves
B. IX and X cranial nerves
C. V and X cranial nerves
D. VII and IX spinal nerves
✅ The correct answer is option A. VII and IX cranial nerves.
Forward moment of mandible is done by_________?
A. Lateral pterygoid
B. Medial pterygoid
C. Temporalis – anterior fibers
D. Temporalis- posterior fibers
✅ The correct answer is option A. Lateral pterygoid.
During examination of parotid gland, parotid duct can be palpated at the following except____________?
A. Anterior border of masseter
B. At the opening just opposite to lower second molar
C. Pierced to the buccinator
D. A the anterior surface of parotid gland
✅ The correct answer is option B. At the opening just opposite to lower second molar.
Blood supply of ameloblast for most of its life cycle comes form_______________?
A. Dental papilla
B. Reduced enamel organ
C. Dental Sac
D. Dental pulp
✅ The correct answer is option C. Dental Sac.