| A | B |
|---|
| What chemicals bridge the gap to stiimulate a postsynaptic neuron or muscle cell? | Neurotransmitters |
| Which portion of the central nervous system that is rich in cell bodies? | Gray matter |
| What type of spinal tract is spinocerebellar? | Ascending tract |
| What region of the brain regulates body temperature, heart rate, and waking/sleeping? | Hypothalamus |
| What neuropeptide contains 11 amino acids; widely distributed throughout the nervous system? | Substance P |
| Which lateral and anterior spinal tracts conduct sensory impulses for pain, temperature, touch, and pressure from body regions into the brain? | Spinothalamic tracts |
| Where are the primary motor areas of the cerebral cortex? | Precentral gyrus in frontal lobes |
| Epinephrine, norepinephrine, dopamine, and serotonin are what type of neurotransmitters? | Monamines |
| What is the deep-lying cleft that divides the left and right cerebral hemispheres? | Longitudinal fissure |
| How many pairs of spinal nerves are there? | 31 |
| How many pairs of crainal nervese are there? | 12 |
| What are the three functions of nervous tissue? | Sense changes in the environment; coordinate responses; stimulate response in muscles/glands. |
| What is a nerve fiber? | A single neuron |
| Where is the Node of Ranvier? | Between two Schwann cells along the axon of neuron. |
| What is a neuron process that conducts impulses away from the cell body? | Axon |
| What does the refractory period describe? | A period of time during impuse transmission when no further stimulus will affect the cell. |
| What type of impulses are carried over General Somatic Efferent nerves? | Motor impulses to skeletal muscles. |
| What is the description of nerves that carry sensory impulses from the intestines, kidneys, etc.? | General Visceral Afferent Nerves |
| Which cranial nerve carries the sense of smell? | Olfactory (I) |
| What are the three neurons necessary to conduct a reflex arc? | Afferent (sensory), associative (interneuron), Efferent (motor) |
