Anatomy and Physiology II Practice Test

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Prepare for the Anatomy and Physiology II Exam with engaging quizzes. Study with flashcards and detailed questions, accompanied by explanations. Ensure your readiness for the test and boost your confidence to succeed!

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What happens to fluid when there is an increase in capillary pressure?

Fluid shifts into the capillaries
Fluid shifts out of the capillaries
Fluid remains unchanged
Fluid evaporates

The correct answer is: Fluid shifts out of the capillaries

An increase in capillary pressure typically leads to a greater hydrostatic pressure within the capillaries, which can overwhelm the osmotic forces that normally help to draw fluid back into the capillary system. Consequently, this increased pressure causes fluid to be pushed out of the capillaries into the surrounding interstitial spaces. This process is known as filtration. When fluid shifts out of capillaries due to elevated pressure, it can result in conditions such as edema, where excess fluid accumulates in tissues. This phenomenon is an important concept in understanding fluid dynamics in the circulatory system and how it can affect tissue health and function.