Which of the Following Is a Molecular Solid

question 14

Multiple Choice

Which of the following is a molecular solid?

• A) CuCl
• B) AuCl
• C) NaCl
• D) CuCl₂
• E) CCl₄

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Definitions:

Pleural Friction Rub

Adventitious lung sound caused by inflamed parietal and visceral pleura rubbing together on inspiration.

Crackles

Fine bubbling sounds heard on auscultation of the lung; produced by air entering distal airways and alveoli, which contain serous secretions.

Nonpalpable Lymph Nodes

Lymph nodes that cannot be felt or detected through physical examination, often indicating they are not enlarged or swollen.

Pack-Years

A measure of smoking exposure, calculated by multiplying the number of packs of cigarettes smoked per day by the number of years the person has smoked.