neural basis final
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| Which of the following is true regarding the action potential (AP)? | show 🗑
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| show | milliseconds
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| show | mitochondria; extraction/production of energy
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| Which of the following is NOT a function of glial cells? | show 🗑
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| Which of the following is true of neurons? | show 🗑
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| show | B) Provision of nourishment to neurons. C) Clean up of debris within the brain.
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| show | Oligodendrocytes are found within the brain. Schwann cells provide myelin for peripheral nerve cells. A single Schwann cell wraps a single segment of a peripheral nerve cell. A single oligodendrocyte can myelinate multiple segments of an axonal membrane
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| show | The movements of chloride ions during the action potential.
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| Movement of the axon membrane potential from -70 mV to -90 mV would be termed a(n) | show 🗑
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| At +5 mV (inside relative to outside), the electrical gradient or electrical force acting on sodium is: | show 🗑
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| show | toward the inside of the neuron
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| The force of diffusion would tend to move ________ ions ________ the axon. | show 🗑
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| show | A) Concentration gradient. B) Electrical gradient.
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| Which of the following events restores the membrane potential from the peak of the action potential back to the resting level? | show 🗑
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| show | nodes of ranvier
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| In which portion of a neuron would you expect to find the largest number of vesicles? | show 🗑
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| Which of the following will produce an EPSP? | show 🗑
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| show | A) presynaptic membrane; the transmitter released by that neuron
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| Which of the following will neutralize the effect of an EPSP? | show 🗑
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| show | B) enzymatic degradation of the transmitter molecule.
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| show | A) prolong the effects of acetylcholine (ACh) in the synapse.
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| show | metabotropic
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| show | electron microscope
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| A Nissl stain is best to view | show 🗑
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| show | true
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| One remarkable characteristic of the human brain, in comparison with the brains of other animals, is the great expansion of our _______. | show 🗑
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| Two structures that are on the same side of the body are said to be _____ to each other. | show 🗑
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| show | ganglion
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| Activation of the parasympathetic nervous system increases | show 🗑
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| Early in development, the nervous system begins as | show 🗑
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| show | medulla
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| show | differentiate
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| In what way is “bregma” useful to brain researchers? | show 🗑
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| show | the production of new cells
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| show | B) Hippocampus C) Basal ganglia
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| A ____ section made perpendicular to the ground and parallel to the neuraxis through a human brain divides the brain into two symmetrical halves. | show 🗑
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| A(n) _____ view of the brain would be useful in visualizing the medial to lateral extent of a brain structure. | show 🗑
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| When the brain matures into 5 divisions from an immature 3-division organization, what major brain division(s) does not change in name? | show 🗑
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| show | vision (sight)
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| show | Increase the rate of synthesis and release of that neurotransmitter.
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| Administration of a drug that binds at a postsynaptic site different from that of the neurotransmitter, and prevents the opening of ion channels would be termed a(n) | show 🗑
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| show | Increases the release of the neurotransmitter from the axon terminal.
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| A shift of the dose-response curve to the right denotes | show 🗑
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| A drug that hyperpolarizes the postsynaptic membrane, similar to what occurs at a synapse that usually generates an IPSP is a(n) | show 🗑
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| show | true
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| Which of the following techniques would be used to trace efferent axons from a brain region to other brain regions? | show 🗑
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| show | Indicate that neuron activity is silent during specific behavioral tasks.
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| Immunocytochemistry techniques take advantage of the specific affinity of antibodies for | show 🗑
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| show | PHA-L is to fluorogold
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| show | dorsal horn
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| Researchers who wish to determine which neurotransmitters are released during a behavioral activity, and in what amounts, will most likely use: | show 🗑
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| show | tectum
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| Auditory receptors are located in the | show 🗑
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| Which of the following is not true? B.Rods have a greater sensitivity to dim light than cones C.Cones contribute to color vision D.Rods depolarize in the presence of light | show 🗑
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| show | Light; zeitgeber
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| Simple cells in the visual cortex | show 🗑
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| The utricle and saccule are designed to transduce information about: | show 🗑
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| show | ganglion
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| show | rabid vibration
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| A mutation in which inner hair cells are lost in the cochlea would be expected to result in | show 🗑
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| show | a.in the visual system is usually associated with primary visual cortex b.is a way to sharpen contrast c.is created when activity from one cell inhibits activity of a neighboring cell d.helps in the visual detection of borders
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| A high frequency tone would be expected to produce a maximal bending of the ____ nearest the _____. | show 🗑
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| Sudden changes in the rotation of the head are sensed by the | show 🗑
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| show | the external surface of the skin
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| show | A. In slow wave sleep B. Attached to tendons C. Near the ventricles D. In the nose E. NONE
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| show | Olfactory epithelium
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| A person whose brain waves contain high-amplitude delta waves is most likely | show 🗑
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| All of the following are characteristics of REM sleep EXCEPT | show 🗑
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| show | Increase the amount of time spent that night in slow-wave sleep.
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| show | produce insomnia
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| show | Inhibition of neurons that normally inhibit the VLPA.
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| Damage to the rat SCN would be expected to disrupt circadian rhythms related to | show 🗑
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| show | blood; cells
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| Osmoreceptors are specialized neurons that detect | show 🗑
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| The key function of instrumental conditioning is to allow an organism to | show 🗑
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| show | Long-term potentiation of postsynaptic neurons.
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| show | Our recognition of particular stimuli or categories of stimuli.
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| show | temporal lobes
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| From what we learned in lecture and covered in the book, which fluid compartments are most likely to be regulated within precise limits? | show 🗑
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| show | A. are transported retrogradely through projecting axons B. mediate competition of presynaptic cells for targets C. pair a sufficient number of projection neurons with a corresponding number of targets D. are secreted from postsynaptic sites
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| show | A. Most ALS cases are not genetic in origin. B. ALS is a degenerative disease. C. The cause of death in ALS is failure of respiration. D. Spinal cord and cranial motor neurons are destroyed in ALS.
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