1455. Normal intrapleural pressure during the start of inspiration is _________ mm of Hg? September 27, 2025 by Admin A. -2 B. -5 C. 0 D. -7 ✅ The correct answer is option A. -2.
1454. Hormone responsible for milk ejection______________? September 27, 2025 by Admin A. Oxytocin B. Estrogen C. Progesterone D. Prolactin ✅ The correct answer is option A. Oxytocin.
1453. Thromboxane is produced mainly by _______________? September 27, 2025 by Admin A. Liver B. Platelets C. Damaged tissue D. Vascular endothelium ✅ The correct answer is option B. Platelets.
1452. Bile acids are derived from_____________? September 27, 2025 by Admin A. Bile salts B. Bile pigments C. A & B D. Cholesterol ✅ The correct answer is option D. Cholesterol.
Which of the following acts as accelerator in Zinc oxide eugenol______________? September 27, 2025 by Admin A. ZnCl2 + Eugenol B. ZnCl2 + ZnSO2 C. Eugenol + ZnO D. Zn(OH)2 + ZnO ✅ The correct answer is option B. ZnCl2 + ZnSO2.
219. Contents of the middle car cavity are all except______________? September 27, 2025 by Admin A. Malleus B. Stapes C. Chorda tympani D. Cells of cord ✅ The correct answer is option D. Cells of cord.
1449. The absolute refractory period of an action potential is due to _______________? September 27, 2025 by Admin A. Insufficient neurotransmitter B. Depletion of intracellular Na+ C. Inactivation of Na+ k+ ATPase D. Voltage inactivation of the Na+ channel ✅ The correct answer is option D. Voltage inactivation of the Na+ channel.
1448. The most outer covering of nerve fibres is called as____________? September 27, 2025 by Admin A. Neurolemma B. Perineurium C. Axolemma D. Myelin sheath ✅ The correct answer is option B. Perineurium.
Absorption of vitamin K requires normal absorption of_________________? September 27, 2025 by Admin A. Fat B. Amino acids C. Calcium D. Glucose ✅ The correct answer is option A. Fat.
Which one of the following restorative materials is having coefficient of thermal expansion close to that of tooth enamel and dentin ? September 27, 2025 by Admin A. Microfilled composite resins B. Pure gold C. Silver amalgam D. Type II Glass ionomer cement ✅ The correct answer is option D. Type II Glass ionomer cement.