What are the basic function units of nervous tissue?

What are the clusters of rough endoplasmic reticulum found in the neuron cell body also known as?

Neurons ave two types of processes. ______ are the receptive rgeions and receive neurotransmitters, while _______ are the proesses that generate the impulse to release these neurotransmitters.

What is the direction of the axon potential in a neuron?

Place the steps of mylein sheath formation in the PNS into the proper order.

1. Scwann cell cytoplasm is forced outward from between the memberanes.

2. Schwann cell rotates around axon, wrapping its plasma membrane loosely, forming successive layers.

3. Schwann cell envelops an axon.

4. Tight memebrane wrappings surround the axon and form the myelin sheath.

What are the main functions of the myelin sheath.

Which structural classification of neuorns are the olfcatory sensory neurons.

What is the funcaional classification of neurons that carry impulses from receptors in internal organs, skin, skeletal muslces, joints, or organs to the spinal cord.

What is the strcutural classification that most interneurons fall under.

What is the major function of interneurons?

What is the order of the layers of the nerve going from innermost layer to outermost.

Which neuoglia is responsible for phagocytosis in the CNS?

Which neuroglia help aid in the movement of CSF and conatin cilia?

When a neuron receives an excitatory stimulus the membrane becomes more permeable to which ion?

As Na+ ions enter the cell the memebrane becomes less negative which is an event called?

If the stimulus from the axon is not strong enough to generate an action potential then it only reaches which state?

What occurs during repolarization?

What phase occurs when the neuron becomes insensitive to further stimulation and cannot generate another action potential.

T/F Tha action potential is partially transmitted along the length of the axon.

What are the two major subdivions of the CNS?

What are the branches of the motor portion of the PNS?

Duirng embryonic developmnet the neural tube begins to divide into three major regions which are.....

What major brain structures does the forebrain form into?

Which region of the brain receives info. from the body's sensory receptors in the skin and proprioceptors in skeletal muslces, joints and tendons.

The sensory area that receives visual info. that originates in the retina of the eye is located.....

Where does the abducens nerve travel through?

What is the vestibulocochlear nerves function?

Which of the following is not a plexus?

t/f White matter is found towrads the inner protion of the spinal cord?

Which of the following are characteristics if the sympathtic nervous system?

Select all the organs that have increase in function when the parasympathtic nervous system is in control.

Which of the folloing is not a Somatic reflex?

The fovea centralis is a tiny pit inside the macula lutea, this region only contains _______ which are used for color vision.

What condition cuases interfence with driangae of aqeous fluid and increases intraocular pressure?

Which eye muscle is responible for moving the eye downard and medially.

Which of the following steps of the visual pathway are inccorect?

The vitreous humor is found in which segment?

Which cranial nerve aids in dialating and contracting the eye.

Which of the following is not a proper pairing bwteen tatse senation and the chemical stimuli.

Which olfactory epithelium cells compose of the bulk of the epithelium?