There Are Microvilli on the Luminal Apical) Surface of the Epithelium

question 16

Multiple Choice

There are microvilli on the luminal apical) surface of the epithelium that lines the lumen of the proximal tubule. Microvilli are structural features designed to

• A) maximize surface area available for reabsorption of solutes from the renal tubule.
• B) accommodate membrane proteins involved in active transport of substances into the rental tubule.
• C) maximize surface area available to pump ions into the renal tubule.
• D) provide adequate space to house membrane proteins involved in active transport of solutes out of the renal tubule.

---

Definitions:

Reward

A motivational construct that refers to the positive outcomes or pleasure experienced after engaging in certain actions or behaviors.

Operant Behavior

A type of behavior that is controlled by its consequences, including rewards and punishments.

Elicited

Refers to a response that is drawn out or evoked by a specific stimulus or condition.

Intermittent Reinforcement

A conditioning schedule in which a reward or punishment (reinforcement) is not given every time the desired response is performed, making the response more resistant to extinction.