Cardiac action potentials usually originate in ________ cells.
A. chordae tendinae
B. septal
C. pacemaker
D. Purkinje
Answer: C
Anatomy & Physiology
You might also like to view...
The ulnar nerve is found in the ________ plexus.
A) brachial B) cervical C) thoracic D) sacral E) lumbar
Anatomy & Physiology
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