Because of the Countercurrent Multiplier System in the Loop of Henle

question 51

Multiple Choice

Because of the countercurrent multiplier system in the loop of Henle and the proximity to it of the medullary collecting ducts,

• A)Hyperosmotic urine is generated by active salt reabsorption through membranes that are relatively impermeable to water and the diffusion of water through membranes responsive to vasopressin
• B)Hypoosmotic urine is generated by active salt reabsorption through membranes impermeable to water and the diffusion of water through membranes responsive to vasopressin
• C)Hyperosmotic urine is generated by active salt secretion into the loop of Henle and into the medullary collecting ducts
• D)Hypoosmotic urine is generated by active salt secretion into the loop of Henle and into the medullary collecting ducts
• E)The body must excrete a dilute urine

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Definitions:

Antidepressants

Medications designed to improve symptoms of depression by altering chemical activity in the brain related to mood regulation.

Side Effects

Unintended reactions or outcomes that occur in addition to the desired therapeutic effect of a medication or treatment.

Depression

A psychiatric disorder defined by a constant state of depression or an absence of pleasure in hobbies, which significantly interferes with routine life activities.

Withdrawal Symptoms

Physical and mental symptoms that occur after stopping or reducing intake of a substance that the body has become dependent on.