What percentage of our blood is plasma?

A. 90%
B. 55%
C. 45%
D. 65%


Answer: B. 55%

Anatomy & Physiology

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Saturated fats ________

A) have two fatty acid chains B) exist as solids at room temperature C) are formed from four interlocking carbon rings D) contain many double bonds E) exist as liquids and are derived from plants

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A red blood cell contains a large nucleus; it is thicker near the center and thin around the

rim of the cell. Indicate whether the statement is true or false

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The muscles of the larynx are innervated by branches of which of the following nerves?

A. Hypoglossal B. Accessory C. Ansa cervicalis (C1-3) D. Glossopharyngeal E. Vagus

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The chordae tendinae of the AV valves are anchored to the ________ of the ventricles.

A. interatrial septum B. papillary muscles C. pectinate muscles D. trabeculae carnae E. interventricular septum

Anatomy & Physiology