exam 5 review Flashcards
(21 cards)
Action potentials are generated by the opening of ________ gated channels and they occur on the ________.
voltage-, axon
Which functional class of neurons lies entirely within the central nervous system?
Interneurons
Most commonly, a synapse is made between a
presynaptic neuron’s axon and a postsynaptic neuron’s dendrite.
Which part of the brain contains the epithalamus, hypothalamus, and the thalamus?
Diencephalon
Your memories of the sights and sounds of your elementary school are probably stored in
association cortex areas of your cerebrum.
Most commonly, which cerebral hemisphere is responsible for controlling speech?
Left
As you are reading these words on the screen, what part of your brain is allowing you to perform the complex, conscious intellectual task of reading and comprehension?
Cerebrum
Which are not spinal nerve branches?
Lateral rami
A conduction pathway consists of a(n)
tract and a nucleus.
The femoral nerve arises from which nerve plexus?
Lumbar
The anterior ramus of a typical spinal nerve innervates the
anterior and lateral trunk and the limbs.
________ pathways have peripheral primary neurons and central secondary and tertiary neurons
Sensory
The cell bodies of sensory neurons are found
in posterior root ganglia.
The sciatic nerve arises from which nerve plexus?
Sacral
The proper sequence of eye layers from the outermost to the innermost layer is
Fibrous tunic
Vascular tunic
Neural tunic
What part of the retina lacks photoreceptors?
Optic disc
Which term best describes receptors that detect body and limb movements, skeletal muscle contraction and stretch, and joint capsule structure?
Proprioceptors
What part of the retina is responsible for the sharpest vision?
Fovea centralis
Phasic receptors for light touch and texture are
tactile corpuscles.
Where would you find olfactory hairs?
At the apical surface of olfactory neurons
The brain can determine the static position of the head due to sensors in the
vestibule.
