Exam 11: Neural Tissue

The basic functional unit of the nervous system is the ________.

The ________ principle states that the size and speed of the action potential are independent of the stimulus strength.

________ open or close in response to binding specific molecules.

Axons terminate in a series of fine extensions known as

Figure 11-1 The Neuron Use Figure 11-1 to answer the following questions: -The structure labeled "2" is a

Many medications introduced into the bloodstream cannot directly affect the neurons of the CNS because

Which of the following activities or sensations is not monitored by interoceptors?

At a(n) ________ synapse, a neurotransmitter is released to stimulate the postsynaptic membrane.

The glial cells in the central nervous system that form scar tissue after Central Nervous System injury are the

The site of intercellular communication between neurons is the

The equilibrium potential for potassium ion occurs at approximately

If the sodium-potassium pumps in the plasma membrane fail to function, all of the following occur, except

When cholinergic receptors are stimulated,

Which of the following is a function of neuroglia?

Which of the following comparisons between neurons and muscle tissue is False ?

Which of the following interactions between electrical and chemical gradients does not lead to the establishment of a neuron's resting potential?

The sum of the electrical and chemical forces acting on an ion is known as its ________.

Ion channels that are always open are known as

The buildup of depolarization when EPSPs arrive at several places on the neuron is called ________ summation.

Any stimulus that opens ________ ion channel will produce a graded potential.