Which vitamin helps in blood coagulation?
Vitamin- K
Vitamin- C
Vitamin- A
Vitamin- D
A.
Vitamin- K
Vitamin- K is necessary for the formation of prothrombin in the liver of human beings and hence, helps in the process of blood coagulation.
Vitamin- C helps in growth and development and in repairing of all the body tissues. Also, helps in formation of collagen, absorption of iron, wound healing etc.
Vitamin- A is important for normal vision, immune system and reproduction. It also helps the heart, lungs etc to work properly.
Vitamin- D helps helps in making bones strong. It regulates the immune system and the neuromuscular system.
Which one of the following is incorrect for Atherosclerosis?
Constriction of arterial luman reduces the blood flow
Loss of dilatation ability of the arterial wall and its rupture
Cholesterol deposition at the inner wall of the artery
Proliferation of the vascular muscles
Which one of the following is mainly responsible for the second heart sound?
Closure of atrioventricular valves
Opening of atrioventricular valves
Closure of semilunar valves
Thrust of blood on ventricular wall during atrial contraction
Amount of oxygen supplied by 100 mL arterial blood while passing through the tissues is
0.4 - 0.6 mL
4 - 6mL
14 - 15 mL
19 - 20 mL
Which one of the following statement is incorrect?
Glucagon is secreted by pancreas
Androgen is produced by ovary
Thyroxine is secreted by thyroid
Oxytocin is secreted by pituitary
Bone is mainly composed of
iron and phosphorus
sulphur and calcium
calcium and phosphorus
calcium and magnesium
Juxtaglomerular apparatus is made up of
juxtaglomerular cell, macula densa and lacis cell
juxtaglomerular cell, Purkinje cell and chied cell
juxtaglomerular cell, lads cell and myoepithelial cell
juxtaglomerular cell, macula densa and Argentaffin cell
