A Glass Tube Has One End in a Dish of Mercury

question 151

Multiple Choice

A glass tube has one end in a dish of mercury and the other end closed by a stopcock.The distance from the surface of the mercury to the bottom of the stopcock is 800 mm,as indicated by the meter stick shown in the drawing below.The apparatus is at 20°C,and the mercury level in the tube is the same as that in the dish.
-Which drawing best shows the approximate level of the mercury in the tube when a vacuum pump is connected to the top of the tube,the stopcock opened,the tube is evacuated,the stopcock is closed,and the pump is removed,and the stopcock is reopened?

• A)drawing (1)
• B)drawing (2)
• C)drawing (3)
• D)drawing (4)

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Domestic Producers

Companies that manufacture or produce goods and services within their home country, often contrasted with those producing or outsourcing overseas.

Imported Products

Products brought into one country from another for the purpose of sale, often subject to tariffs, quotas, or trade agreements.

Cultural Dimensions

Refers to the framework for cross-cultural communication, identifying and measuring the effects of a society's culture on the values of its members, and how these values relate to behavior.

Hofstede

A framework for cross-cultural communication, developed by Geert Hofstede, that analyzes cultures in terms of five (later six) dimensions such as power distance, individualism vs. collectivism, and uncertainty avoidance.