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

Anatomy & Physiology

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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

Anatomy & Physiology

The term for the stoppage of blood flow is ________

A) Hemothrombus B) Hemostasis C) Hemosclerosis D) Homeostasis

Anatomy & Physiology

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)

Anatomy & Physiology

Neurotransmitters are synthesized in the cell body, then transported in vesicles to the axon terminals using __________

Fill in the blank with correct words.

Anatomy & Physiology