Nerve impulses are sent to slow the heart's rate of contraction. The nerve fibers sending these signals will most likely belong to which division of the nervous system?
parasympathetic
sensory/afferent
sympathetic
somatic
Nerve impulses leading to the brain carry information about cool temperatures on the skin. The nerve fibers sending these signals will most likely belong to which division of the nervous system?
sensory/afferent
parasympathetic
motor/efferent
somatic
Nerve impulses leading to the skeletal muscle carry imformation to direct movement. The nerve fibers sending these signals will most likely belong to which division of the nervous system?
sensory/afferent
motor/efferent
parasympathetic
sympathetic
Which of the following describes the nervous system integrative function?
analyzes sensory information, stores information, makes decisions
senses/detects changes in the environment
responds to stimuli by gland secxretion or muscle contraction
all of these are correct
Which is not a function of the autonomic nervous system?
innervation of smooth muscle of the digestive tract
innervation of glands
innervation of skeletal muscle
innervation of cardiac muscle
A neuron that has as its primary function the job of connecting other neurons is called a(n) ______.
afferent neuron
neuroglial cell
interneuron
efferent neuron
Meningitis can be caused by infection of the CNS by bacteria. What cells would be most responsible for removing the infection?
oligodendrocytes
Schwann cells
ependymal cells
microglial cells
The interior surface of a neuron's plasma membrane at resting membrane potential will have a _______.
negative charge and contains more sodium than outside of the cell
negative charge and contains less sodium than outside of the cell
positive charge and contains less sodium than outside of the cell
positive charge and contains more sodium than outside of the cell
Bipolar neurons are commonly _______.
found in the retina of the eye
found in ganglia
motor neurons
called neuroglial cells
Schwann cells are functionally similar to _______.