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Umuuase dilation of efferent glomerular arterioles are moved from the ___to 46. In the process of tubular secretion, __ the A

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46. tubular secretion the unwanted substances are moved from the blood to the tubular fluid .
so the correct option is C
47. Correct option is A - passive transport ,
In this process Fluid in the filtrate entering the proximal convoluted tubule is reabsorbed into the peritubular capillaries. This is driven by sodium transport from the lumen into the blood by the Na+/Ka+, ATPase in the basolateral membrane of the epithelial cells.
48. Correct option is D - Angiotensin II ,
In instances of blood loss or dehydration, Angiotensin II reduces both GFR and renal blood flow, thereby limiting fluid loss and preserving blood volume. Its release is usually stimulated by decreases in blood pressure,

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