The main pacemaker of the heart is the _______.
A. AV node
B. SA node
C. bundle of his
D. purkinje node
Answer: B. SA node
Anatomy & Physiology
You might also like to view...
What are the components of a synovial joint?
What will be an ideal response?
Anatomy & Physiology
Low levels of adrenal cortex hormones result in __________.
A) Addison disease B) Cushing syndrome C) diabetes D) tetany E) goiter
Anatomy & Physiology
Which type of receptor responds to deep pressure and vibrations?
A) Pacinian B) Meissner's corpuscles C) Ruffini corpuscles D) Merkel cells
Anatomy & Physiology
At equilibrium there is movement of molecules in all directions, but the concentrations of the particles is the same at all points.
a. true b. false
Anatomy & Physiology