Which statement correctly describes the term left atrioventricular valve?

A) Its cusps open into the left atrium.
B) Its cusps open into the superior vena cava.
C) Its cusps open into the aorta.
D) Its cusps open into the left ventricle.
E) Its cusps open into the pulmonary trunk.


D

Anatomy & Physiology

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A. depend upon activity to determine antagonism or synergism. B. are synergistic. C. are antagonistic.

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Enzymes are biological catalysts that are crucial for normal human metabolism

Indicate whether this statement is true or false.

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Which cell is incorrectly matched with the characteristic?

A) basophils - have granules containing histamine and heparin B) neutrophils - most abundant white cell C) neutrophils - most difficult to identify D) eosinophils - cytotoxic cells may live only 6-12 hours E) eosinophils - numbers increase with allergies and parasites

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What do the basal nuclei coordinate?

a. slow twitch muscle fibers b. spinal reflexes c. slow, sustained movement d. fast movement e. fast twitch muscle fibers

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