Blood Flow Through Most Organs Is Regulated Primarily by Increasing

question 29

Multiple Choice

Blood flow through most organs is regulated primarily by increasing or decreasing the ________ activity to arteriolar smooth muscles in the organ.Another form of regulation,called ________,depends upon the metabolic activity of the organ.Increased activity leads to increased interstitial-fluid metabolites,which cause ________ of the arterioles.The former is a type of ________ regulation of blood flow; the latter is an example of ________ regulation.

• A)sympathetic; active hyperemia; dilation; extrinsic; intrinsic
• B)sympathetic; reactive hyperemia; dilation; intrinsic; extrinsic
• C)parasympathetic; active hyperemia; constriction; extrinsic; intrinsic
• D)sympathetic; flow autoregulation; constriction; intrinsic; extrinsic
• E)parasympathetic; reactive hyperemia; dilation; extrinsic; intrinsic

---

Definitions:

Anti-Communist Regime

A government or political system that explicitly opposes communism, often engaging in policies to suppress, limit, or eradicate communist influence.

Kim Phuc

Known as the "Napalm Girl," she is a Vietnamese-Canadian best known for being photographed as a child during the Vietnam War, her image becoming a symbol of the horrors of war.

Americans' Relationship

The various dynamics and interactions between citizens of the United States, encompassing social, cultural, political, and personal aspects.

Vietnam

A Southeast Asian country known for its rich history, vibrant culture, and significant role in global affairs, particularly during the Vietnam War.