MCQ
For visual sense, the nerve impulse generated by:
- AAll of these
- BRepolarisation
- ✓Depolarisation
- DHyper polarisaion
✓
Answer
Correct option: C.
Depolarisation
(C)Depolarisation
Explanation:
For visual sense, the nerve impulse is generated by depolarization. The optic nerve is the nerve that carries the visual impulse from the eye to the optic lobe of the forebrain. During depolarization, the charge within the cell rapidly shifts from negative to positive.
Explanation:
For visual sense, the nerve impulse is generated by depolarization. The optic nerve is the nerve that carries the visual impulse from the eye to the optic lobe of the forebrain. During depolarization, the charge within the cell rapidly shifts from negative to positive.
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choose the correct option given below :-
(i) A mechanism acts as a check on the renin- angiotensin mechanism.
(ii) The signal for micturition is initiated by the stretching of urinary bladder as it gets filled with urine. In response, the B on the walls of bladder sends signals to the C.
(iii) The neural mechanisms causing micturition is called D.
(iv) On an average, E gm of urea is excreted out per day.
(v) Presence of F and G in urine is indicative of diabetes mellitus.
(vi) Sweat produced by sweat glands is a watery fluid containing NaCl, small amount of mainly H and I.
(vii) Sebaceous glands eliminate certain substance like J, K and L through sebum.
(viii) The condition in which there is accumulation of urea in blood is called M and may lead to kidney failure. In such patients urea can be removed by a process called N
(ix) The dialysing fluid used in haemodialysis has the same composition as that of plasma except the O
(x) P is condition in which a stone or insoluble mass of crystallised salts formed within the kidney.
(xi) Q is inflammation of glomeruli of kidney.
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