_________ matter consists predominantly of densely packaged cell bodies and dendrites, whereas ________ matter consists of bundles of myelinated nerve fibers.

Which is TRUE about the Na+, K+ ATPase pump in neurons?

Select the correct statements about Lower motor neurons. Choose all that could apply,,

Which of the following is true?

Which of the following statements regarding vision is FALSE?

If you block Ca 2+ channels on an axon, which will not occur?

Which of the following structures contributes the most to the total refractive ability of the eye when viewing objects at a distance?

Upper motor neurons can be found making up the

Put the following in the correct order for the activity of a photoreceptor in the "light" (2 points) • 1. cis-retinal absorbs light and shifts to trans-retinal form • 2.decrease in cGMP levels closes gated Na+ channels • 3. cGMP phosphodiesterase activity results in the breakdown of cGMP • 4. bleaching of opsin • 5. bipolar cells are no longer inhibited • 6. photoreceptor becomes hyperpolarized & glutamate release stops • 7. opsin activates transducin (a G protein) in the cell membrane of the disc • 8. transducin activates an effector protein called cGMP Phosphodiesterase • 9. ganglion cells generate AP • 10. processing of signals in primary visual cortex

Which of the following are considered to be part of the basal ganglia?Choose all that could apply,,

Fluid movement in the cochlea causes:Check all that could apply,,

Most of the parasympathetic ganglia lie in trunk-like chains found just outside the vertebral column.

Which of these occurs when light strikes photoreceptors?

Which protein(s) are involved in the development of the resting membrane potential of a neuron? Choose all that could apply,,

Choose the best answer describing the corticospinal pathway

  

A person struggling with a stressful exam question might experience difficulty focusing her eyes on the paper because

The efferent division of the peripheral nervous system consists of the somatic nervous system and the autonomic nervous system.

A threshold stimulus applied to an excitable membrane is one that is just sufficient to

Which is TRUE about receptor potentials?

Astrocytes:Choose all that could apply,,

Which is FALSE about interneurons?

Match the stimulus with the sensory receptor: oxygen concentration

Match the stimulus with the sensory receptor: heat and cold

Match the stimulus with the sensory receptor: light

Match the stimulus with the sensory receptor: solute concentration

Match the stimulus with the sensory receptor: skeletal muscle stretch

Match the stimulus with the sensory receptor: pain chemicals

Olfactory receptors:Choose all that could apply,,

What category do hair cells in the organ of Corti belong to?

Your friend is poking your skin with two pins a few millimeters apart at the same time. Visually, you can see there are two pins, but you can only feel a single pen poke. This is probably because:

The hypothalamus:Choose all that could apply,,

Accommodation for near vision requires

The trigger zone of a neuron:Choose all that could apply,,

Smell and taste require sensory receptors known as __________________________

The function of the tympanic membrane is to amplify sound waves on their way to the middle ear.

Sequence the following events correctly following the arrival of the action potential in the synaptic terminal. 1. Neurotransmitter diffuses across cleft. 2. Calcium induces exocytosis of neurotransmitter from the synaptic terminal. 3. Permeability and membrane potential of postsynaptic membrane altered. 4. Ion channels open. 5. Neurotransmitter binds to receptor on chemically-gated channel expressed on the target neuron.

To see an object, for example a cat, and know that it is a cat that you have seen before, your brain receives and processes the visual input. Which brain areas are involved? Check all that would apply.,,

Descending tracts

A person whose lens focuses light from distant objects in front of (rather than on) the retina has a condition called

Hair cells in the semicircular canals detect changes in the rate of angular motion of the head, while the same kinds of cells in the utricle and saccule detect changes in the head's rate of linear motion.

Nicotinic receptors:

Which of the following statements concerning the terminal ganglia is correct? Check all that could apply,,,,

_______________________________ is the bending of light rays as they pass from one medium to another.

The _________________ is the single most important control area for regulating the homeostasis of the internal environment.

Which of the following is accomplished by the pre-central gyrus?

You pass by the office of a practitioner of alternative medicine. A poster hanging in the window offers therapies that result in “activation of the brainstem and sacral portions of the spinal cord.” The poster is promoting methods that will result in enhanced activation of the _____________________________nervous system.

If the lens flattened with age, what type of vision would become easier over time for this individual?

Which is/are TRUE about the resting membrane potential? Check all that could apply,,,,

Certain smells can trigger shifts in emotional state (for example, the smell of a familiar place or a loved one’s clothing) because specific olfactory pathways synapse in the __________.

Match the neuron to the neurotransmitter its releases: sympathetic preganglionic fibers.

Match the neuron to the neurotransmitter its releases: parasympathetic preganglionic fibers.

Match the neuron to the neurotransmitter its releases: sympathetic postganglionic fibers.

Match the neuron to the neurotransmitter its releases: motor neurons.

Match the neuron to the neurotransmitter its releases: parasympathetic postganglionic fibers.

The trigger zone of a neuron:Choose all that could apply,,,,

An EPSP

Which is TRUE about typical, resting neurons?

Which of the following would be categorized as a ,,

Put the following in the correct order for the activity of a photoreceptor in the "light" (2 points) • 1. cis-retinal absorbs light and shifts to trans-retinal form • 2.decrease in cGMP levels closes gated Na+ channels • 3. cGMP phosphodiesterase activity results in the breakdown of cGMP • 4. bleaching of opsin • 5. bipolar cells are no longer inhibited • 6. photoreceptor becomes hyperpolarized & glutamate release stops • 7. opsin activates transducin (a G protein) in the cell membrane of the disc • 8. transducin activates an effector protein called cGMP Phosphodiesterase • 9. ganglion cells generate AP • 10. processing of signals in primary visual cortex

Which best describes the process of "adaptation" in sensory receptors?

Which of the following neurotransmitter receptors will typically be found within the sympathetic nervous division? Check all that could apply,,