Smooth muscle cells may contract in the absence of neuronal stimulation.
Answer the following statement true (T) or false (F)
True
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Electrolytes determine most of the chemical and physical reactions of body fluids
Indicate whether the statement is true or false
To get from the subclavian artery to the brachial artery, blood must flow through which artery?
A. Axillary artery B. Deep brachial artery C. Brachiocephalic artery D. Ulnar artery E. Radial artery
The limbic system is not a separate structure, but a(n) ____________________ system consisting of a ring of forebrain structures that surround the brain stem
Fill in the blank(s) with correct word
Voltage-gated K+ channels:
a. are closed during the falling phase of the action potential b. are slow to close c. are activated at threshold, but open a short time later d. both b and c e. all of the above