Cardiac action potentials usually originate in ________ cells.

A. chordae tendinae
B. septal
C. pacemaker
D. Purkinje


Answer: C

Anatomy & Physiology

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Upon leaving the renal pelvis, urine passes directly into a ureter.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The entire area through which the sensitive ends of the receptor cells are distributed is the

A. stimulus area. B. sensory field. C. transducer field. D. receptive field. E. adaptative radius.

Anatomy & Physiology

To allow the eye to accommodate images, the ________ must be flexible and respond to object distance.

A. cornea B. aqueous humor C. vitreous humor D. lens

Anatomy & Physiology

The ulnar nerve is found in the ________ plexus.

A) brachial B) cervical C) thoracic D) sacral E) lumbar

Anatomy & Physiology