What cofactor do matrix metalloproteinases need to be functional?

A. Chromium
B. Calcium
C. Copper
D. Zinc


Answer: D

Anatomy & Physiology

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The activity of the nervous system is dependent upon

A) cellular connections. B) large amounts of energy. C) a proper intracellular environment. D) a proper extracellular environment. E) All of the answers are correct.

Anatomy & Physiology

As age increases, the maximum cardiac rate will ________.

A. increase B. remain unchanged C. decrease

Anatomy & Physiology

Which term cannot be interchanged with the other two terms?

A. vulva B. pudendum C. external female genitalia D. All these terms can be interchanged.

Anatomy & Physiology

The right pleural cavity contains the

A) heart. B) trachea. C) left lung. D) right lung. E) left lung and right lung.

Anatomy & Physiology