A(n) ________ is a rigid structure that moves on a fixed point

A) action
B) insertion
C) origin
D) fulcrum
E) lever


Answer: E

Anatomy & Physiology

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If an element has an atomic number of 9 and an atomic mass of 19, how many neutrons does it have?

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To check the efficiency of gas exchange at the lungs, blood may be required via __________.

a. venipuncture b. arterial puncture c. puncturing the tip of a finger d. all of the listed responses are correct

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In a complete AV node block, ________.

A. the ventricles contract due to the Purkinje fiber pacemaker B. no signals pass into the ventricles C. the atria will be paced by the SA node D. All of the choices are correct.

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Ultrastructure refers to the detailed structure to the level of the ________.

A. cell B. organelle C. molecule D. tissue

Anatomy & Physiology