A Patient Is Taking a Calcium Channel Blocker (CCB) for Stable

question 9

Multiple Choice

A patient is taking a calcium channel blocker (CCB) for stable angina. The patient's spouse asks how calcium channel blockers relieve pain. The nurse will explain that CCBs:

• A) help relax peripheral arterioles to reduce afterload.
• B) improve coronary artery perfusion.
• C) increase the heart rate to improve myocardial contractility.
• D) increase the QT interval.

Comprehend how the production possibilities frontier (PPF) illustrates efficiency, trade-offs, and opportunity costs.

Identify the causes and implications of shifts and shapes in the production possibilities frontier.

Distinguish between efficient, inefficient, and infeasible production levels.

Understand the impact of unemployment and economic growth on an economy's production capabilities.

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Definitions:

Broad Domes

Broad domes refer to large, rounded structures on the Earth's surface, often created by the slow uplift of the underlying strata.

Extension

The process or state of increasing in length, area, or volume, often referred to in geology as the stretching and thinning of the Earth's crust.

Subduction Zone

A region of the Earth's crust where one tectonic plate moves under another, leading to volcanic activity and earthquakes.

Arc

A continuous portion of a circle or other curved line, or in geological terms, a curved series of volcanic islands that form above a subducting plate.