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Which of the following structures drains oxygen-depleted blood from the kidneys?

A. Renal artery

B. Urethra

C. Ureter

D. Renal Vein

Answer Explanation:

The renal vein drains deoxygenated blood from the kidneys to the inferior vena cava.

Therefore, the Correct Answer is D.

Q #1: Which of the following demonstrates a chemical reaction of water?

A. Water boils to produce steam at 100° C (252)

B. Water Dissolves sugar

C. Water produces gas with sodium metal

D. Water and all separate when combined

Answer Explanation

a. Water boils to produce steam at 100°C - This is a phase change (from liquid to gas) and not a chemical reaction of water.

b. Water dissolves sugar - This is a physical change, not a chemical reaction of water.

c. Water produces gas with sodium metal - This reaction involves the chemical reaction of water with sodium metal to produce hydrogen gas.

d. Water and oil separate when combined - This is a physical separation, not a chemical reaction of water.
Q #2: Which of the following substances is excreted by sweat glands in response to the breakdown of proteins and the formation of ammonia?

A. Sebum

B. Water

C. Lysozymes

D. Urea

Answer Explanation

Urea is a nitrogenous waste product that is produced when the liver breaks down proteins and amino acids. It is then excreted from the body via sweat.
Q #3: The vermiform appendix extends from the region of the large intestine known as which of the following?

A. jejunum

B. Rectum

C. Cecum

D. Achi

Answer Explanation

The vermiform appendix is a small, finger-like projection that extends from the cecum, which is the first part of the large intestine.

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