How Can the Same Nephron in an Amphibian Produce Dilute

question 69

Multiple Choice

How can the same nephron in an amphibian produce dilute urine or urine as concentrated as blood plasma?

• A) Different amounts of NaCl are reabsorbed.
• B) Different amounts of NaCl are secreted.
• C) The distal convoluted tubule can change its permeability to water based on the amount of circulating ADH.
• D) The proximal convoluted tubule can change its permeability to water based on the amount of circulating NaCl.

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Definitions:

Situational Cause

Cause of behavior attributed to external factors, such as delays, the action of others, or some other aspect of the situation.

Fundamental Attribution Error

The tendency to attribute others' actions to their character or personality, while attributing our own behaviors to external situational factors.

Internal Attributions

The process of inferring that personal factors, rather than external factors, are the cause of an event or behavior, suggesting that a person’s actions are due to their individual characteristics such as personality or effort.

Situational Causes

Factors in the environment that influence behavior, contrasted with dispositional factors which are traits or characteristics within the person.