In an ECG pattern, the P wave is caused by
A) depolarization of ventricular muscle fibers.
B) repolarization of ventricular muscle fibers.
C) depolarization of atrial muscle fibers.
D) repolarization of atrial muscle fibers.
C
Anatomy & Physiology
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In all organisms, the basic unit of structure and function is
A. the molecule. B. the cell. C. the atom. D. the macromolecule.
Anatomy & Physiology
Which space associated with the spinal cord meninges contains cerebrospinal fluid?
A. Epidural space B. Subdural space C. Subarachnoid space D. Epiarachnoid space E. Subpial space
Anatomy & Physiology
The three layers of the eyeball, from outer to inner, are:
What will be an ideal response?
Anatomy & Physiology
The long bone growth-promoting effects of growth hormone are mediated by __________.
A. somatostatin B. somatotrophs C. somatomedins D. insulin
Anatomy & Physiology