In a normal ECG tracing, the T wave represents the:

a. repolarization of the atria
b. depolarization of the atria
c. repolarization of the ventricles
d. depolarization of the ventricles


c. repolarization of the ventricles

Anatomy & Physiology

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Organize the following list of nervous system elements by their classifications as CNS or PNS elements: oligodendrocytes, thermoreceptors (nerves that sense temperature), interneurons, satellite cells, brain, motor neurons.

A. CNS interneurons, satellite cells, motor neurons; PNS brain, oligodendrocytes, theromoreceptors B. CNS thermoreceptors, satellite cells, brain; PNS oligodendrocytes, interneurons, motor neurons C. CNS brain, oligodendrocytes, interneurons; PNS thermoreceptors, satellite cells, motor neurons D. CNS satellite cells, brain, oligodendrocytes; PNS thermoreceptors, motor neurons, interneurons

Anatomy & Physiology

In connective tissue, the extracellular matrix consists of

A.  cells and ground substance. B.  protein fibers and ground substance. C.  cells and protein fibers. D.  ground substance and intracellular fluid. E.  ground substance only.

Anatomy & Physiology

The aorta is an example of a(n) ________ artery, the largest arteries in the body.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which of the following helps determine the age of an animal?

a. tartar and stains on teeth b. the angle of the teeth c. deciduous or permanent teeth d. all of the above help determine the age of an animal

Anatomy & Physiology