Which is referred to as the pacemaker of the heart?
a. bundle of His b. Purkinje fibers
c. AV node d. sinoatrial node
d
You might also like to view...
The development of ____________________ as an adult is often caused by decreased blood flow to the pituitary, tumor compression of the pituitary, subarachnoid hemorrhage, traumatic brain injury, inflammation of the pituitary gland, or (in women) necrosis of the pituitary after childbirth.
Fill in the blank(s) with the appropriate word(s).
The movement of air in and out of the lungs is known as ____.
A. oxygenation B. ventilation C. perfusion D. hypoperfusion
One of the primary uses of rope on an emergency scene is for hoisting or lowering of tools and equipment to the needed location.
Answer the following statement true (T) or false (F)
Within the vertebral canal is/are theA) anterior longitudinal ligament (ALL)
B) posterior longitudinal ligament (PLL). C) spinal cord. D) b and c