Which of the following is an accurate description of hydrocarbons?

A. They are nonpolar molecules.
B. Most of them contain phosphorus.
C. Most of them contain sulfur.
D. They are polar molecules.


Answer: A

Anatomy & Physiology

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The Apgar score is assigned for several criteria measured at birth. What is NOT measured?

A) respiratory level B) muscle activity C) defecation D) grimace

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Why is early closure of the fontanels sometimes associated with mental retardation?

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Which structure in the figure is the right lymphatic duct?

a) D b) C c) F d) H e) A

Anatomy & Physiology