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A 34-Year-Old Woman Comes to the Physician with Dyspnea and Severe

question 648

Multiple Choice

A 34-year-old woman comes to the physician with dyspnea and severe chest pain. The pain is localized on the left side and increases with inspiration. She also had 1 episode of hemoptysis. Two days ago, the patient flew back to the United States from a trip to Central Asia. She does not use tobacco, alcohol, or illicit drugs. She is sexually active with 1 partner and uses oral contraceptives. Her father died of a myocardial infarction at age 52. Her temperature is 36.7 C (98 F) , blood pressure is 110/66 mm Hg, pulse is 106/min, and respirations are 28/min. Which of the following most likely accounts for this patient's chest pain?

Describe the role of the sarcoplasmic reticulum and calcium in muscle contraction.

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Understand the molecular basis of muscle contraction, including the role of ATP.

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Definitions:

Government Sets Prices

A policy or situation in which the government directly controls or sets the prices of goods and services in an economy, rather than allowing them to be determined through free-market forces.

Market Reform

a strategic change in economic policies and regulations intended to create a more competitive and efficient market environment.

Market-Oriented Economy

An economic system where supply and demand determine the production of goods and services, with minimal government intervention.

Soviet Union

A former federal socialist state in Eastern Europe and Asia, existing from 1922 until its dissolution in 1991, known for its centralized economy and government.