If someone begins to hyperventilate due to anxiety, the CO2 concentration in their blood decreases; this causes ________ in blood pH.

A. a decrease
B. no change
C. an increase


Answer: C

Anatomy & Physiology

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Which of the following is not true of polysynaptic reflexes?

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What is the expected heart rate when a heart is removed from a living body?

A) 75 beats / minute B) 100 beats / minute C) 50 beats / minute D) the heart would immediately stop beating

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The two types of cells that make up the nervous system are

A.  macrophages and mast cells. B.  neurons and chondrocytes. C.  mast cells and fibrocytes. D.  neurons and mast cells. E.  neurons and glial cells.

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Gastrin opens the ileocecal valve.

a. true b. false

Anatomy & Physiology