The Percentage of Time That One Is Asleep While in Bed

question 48

Multiple Choice

The percentage of time that one is asleep while in bed is termed _______ and is negatively correlated with _________.

• A) Sleep debt; profit margins.
• B) Rest; insomnia.
• C) Sleep efficiency; illness susceptibility.
• D) Sleep deficiency; stress hormone levels.

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Definitions:

Collecting Duct

A network of tubules and ducts in the kidneys that plays a role in the concentration and transportation of urine.

Nephron Loop

Also known as the loop of Henle, it's a U-shaped tube in the kidney nephron essential for concentrating urine and conserving water in the body.

Minor Calyx

A funnel-shaped structure in the kidney that collects urine from the nephrons and channels it into the major calyx.

Nephron Loop

A U-shaped part of the nephron in the kidney that plays a crucial role in concentrating urine and reabsorbing water and salts.