-What Structure Is Indicated by the White Arrow

question 23

Multiple Choice

-What structure is indicated by the white arrow?

• A) Right pulmonary artery
• B) Aortic arch
• C) Descending thoracic aorta
• D) Left innominate vein

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Definitions:

Nephron

A kidney tubule and associated capillaries; filters blood and forms urine.

Filtration

A process by which solids are separated from liquids or gases by passing the mixture through a medium that retains the solids.

Reabsorption

The process in the kidneys where nutrients, water, and essential ions are reabsorbed into the bloodstream from filtered fluid.

Secretion

The process by which substances are produced and discharged from a cell or gland.