Urea diffuses from the collecting duct into the medullary interstitial fluid maintaining to the medullary interstitial fluid osmotic gradient.

a. true
b. false


Answer: a. true

Anatomy & Physiology

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The myxoma virus is transmitted from one rabbit to another

A) In drinking water. B) By predators. C) By blood-sucking insects. D) By interaction with other herbivores.

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Intrapleural pressure is normally about 4 mm Hg less than the pressure in the alveoli

Indicate whether the statement is true or false

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The process of blood cell formation is called ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which statement regarding isometric contractions is true?

A) Tension rises during a contraction. B) The skeletal muscle's length changes. C) The tension produced never exceeds the load. D) Tension remains at a constant level until relaxation occurs. E) Examples are walking and running.

Anatomy & Physiology