Temporal Summation Adds Up Postsynaptic Potentials That

question 147

Multiple Choice

Temporal summation adds up postsynaptic potentials that

• A) occur at the same time at different locations on the postsynaptic neuron.
• B) are generated at regular intervals.
• C) cause the same amount of depolarization in the axon hillock.
• D) are generated at the same site in rapid sequence.
• E) cause a hyperpolarization of the cell membrane.

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Definitions:

Brain Development

The process involving growth and change in the brain's structure, function, and capabilities, occurring throughout life but most significantly during childhood.

Synaptic Pruning

A natural process that occurs in the brain, especially during childhood and puberty, where the connections between neurons (synapses) are reduced to increase the efficiency of neurotransmission.

Marasmus

A wasting disease in which the body’s fat and muscle are depleted; growth stops and the body wastes away, taking on a hollow appearance.

Kwashiorkor

A malnutrition disease in children caused by deprivation of protein and calories and characterized by lethargy, bloating, and swelling of the stomach.