The Letters X and Y Represent Rectangular Coordinates $$x ^ { 2 } = 4 y$$

question 27

Multiple Choice

The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, θ) .
- $$x ^ { 2 } = 4 y$$

• A) \(r \sin ^ { 2 } \theta = 4 \cos \theta\)
• B) \(4 \sin ^ { 2 } \theta = r \cos \theta\)
• C) \(4 \cos ^ { 2 } \theta = r \sin \theta\)
• D) \(r \cos ^ { 2 } \theta = 4 \sin \theta\)

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Definitions:

Proximal Tubule

A portion of the nephron in the kidney which first processes the filtrates from the blood plasma, reabsorbing water, ions, and all organic nutrients.

Distal Tubule

A portion of the nephron in the kidney that plays a crucial role in the regulation of potassium, sodium, calcium, and pH levels in the urine.

Plasma Proteins

Proteins present in blood plasma, including albumin, globulins, and fibrinogen, that perform essential roles in blood clotting, defense against pathogens, and transport of substances.

Erythrocytes

Red blood cells that carry oxygen from the lungs to the body's tissues and carbon dioxide back to the lungs.