In neurophysiology, the term "summation" refers to the addition of
A. action potentials at the node of Ranvier.
B. postsynaptic potentials at the initial segment.
C. excitatory neurotransmitter molecules at a receptor.
D. resting membrane potentials in a particular area of the brain.
E. presynaptic hyperpolarizations.
B
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The volume of blood ejected from each ventricle during a contraction is called the
a. end-diastolic volume b. end-systolic volume c. stroke volume d. cardiac output e. cardiac reserve
The term for the stoppage of blood flow is ________
A) Hemothrombus B) Hemostasis C) Hemosclerosis D) Homeostasis
Blood plasma and interstitial fluid are separated from each other; therefore, there is little communication and exchange between these fluids.
Answer the following statement true (T) or false (F)
Neurotransmitters are synthesized in the cell body, then transported in vesicles to the axon terminals using __________
Fill in the blank with correct words.