The Renal Process Whereby Substances Are Selectively Transferred from the Peritubular

question 81

Multiple Choice

The renal process whereby substances are selectively transferred from the peritubular blood into the renal tubule is

• A) filtration.
• B) secretion.
• C) reabsorption.
• D) excretion.
• E) none of these answers.

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Definitions:

Parapodia

Paired, lateral appendages found on each segment of polychaetes and some other annelids, used for locomotion and sometimes respiratory functions.

Radula

A rasping, tongue-like organ found in many molluscs, used for feeding by scraping or cutting food before ingestion.

Earthworms

Terrestrial invertebrate worms belonging to the phylum Annelida, known for their role in aerating soil and breaking down organic matter.

Polychaetes

A class of annelid worms characterized by segmented bodies and paired, bristle-like appendages, commonly found in marine environments.