What Sphincter Is Composed of Smooth Muscle Between the Anus

question 66

Multiple Choice

What sphincter is composed of smooth muscle between the anus and external environment?

• A)upper esophageal sphincter
• B)lower esophageal sphincter
• C)external anal sphincter
• D)sphincter of Oddi
• E)internal anal sphincter

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Definitions:

Equilibrium Exchange Rate

The exchange rate at which the demand for a currency exactly matches its supply, leading to market balance.

Foreign Exchange Markets

A global decentralized market for trading currencies, facilitating international trade and investment by enabling currency conversion.

Gold Standard

A financial regime in which the value of a nation's currency or banknotes is directly tied to the value of gold.

Balance of Payments

A financial statement summarizing a country's transactions with the rest of the world over a specified period, including trade, investment, and financial transfers.