In the Following Proof, Which Justification Is Correct for Line

question 12

Multiple Choice

In the following proof, which justification is correct for line 4? $\begin{array}{llcc} \text {(1) }(\exists y) \mathrm{Myyy } & \text {\(/(\exists x) (\exists y) (\exists z) \mathrm{M} x y z\) } &\text { Fremise/Conclusion }\\ \text { (2) Maaa } &&1 \mathrm{EI}\\ \text { (3) ( } \exists z \text { ) Maaz } &&2 \mathrm{EG}\\\text { (4) }(\exists y) (\exists z) \mathrm{Mayz} &\\\end{array}$

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Definitions:

Proximal Tubule

Region of kidney tubule nearest Bowman’s capsule.

Ascending Limb

The segment of the loop of Henle in the kidney that transports salts from the filtrate back into the blood, contributing to the concentration of urine.

Loop Of Henle

U-shaped portion of a kidney tubule; connects the proximal and distal regions of the tubule.

Interstitial Fluid

Portion of the extracellular fluid that fills spaces between body cells.