Which group of fibers spreads impulses at up to 1 meter per second?
A) group A fibers
B) group B fibers
C) group C fibers
D) group D fibers
Answer: C) group C fibers
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Fundamental of the Nervous System and Nervous Tissue
- Select the correct statement about serial processing.
- Neurons may be classified according to several characteristics. Which of the following is correct?
- If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________.
- In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is ________.
- A second nerve impulse cannot be generated until ________.
- ________ is an indolamine.
- Which of the following is true about the movement of ions across excitable living membranes?
- All of the following are true of graded potentials except that they ________.
- When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________.
- Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane?
- An inhibitory postsynaptic potential (IPSP) is associated with ________.
- Nerve cell adhesion molecules (N-CAMs) ________.
- Immediately after an action potential has peaked, which cellular gates open?
- Schwann cells are functionally similar to ________.
- Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________.
- Ependymal cells ________.
- The sympathetic and parasympathetic are subdivisions of the ________.
- Which of the following is a good example of a neuromodulator?
- Select the correct statement about synapses.
- An action potential ________.
- The sodium-potassium pump ________.
- Choose the statement that is most correct about membrane potential.
- The part of the neuron that normally receives stimuli is called ________.
- Which of these ions is actively transported through the cell membrane to establish a resting potential?