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Neuro 6: Autonomics, Brain Imaging, and CNS Response to Injury

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1.
1 point
Which of the following would look relatively "bright" on a T2-weighted MRI?
2.
1 point
Which of the following techniques would be best for visualizing the glucose consumption of different brain areas?
3.
1 point
Which of the following structures must remain intact after a peripheral neuron injury to ensure a nerve can find its original target?
4.
1 point
Electrical stimulation of muscle fibers following an injury to their motor neural supply is important to prevent the increased expression of which receptor gene?
5.
1 point
True or False: The parasympathetic nervous system is controlled by centers in the hypothalamus and medulla.
6.
1 point
What is the only cholinergic, postganglionic, sympathetic target?
7.
1 point
Which adrenergic receptor is associated with increased cardiac contractility when neurally stimulated?
8.
1 point
Preganglionic parasympathetic neuron cell bodies are located in the autonomic nuclei of which regions of the CNS?
9.
1 point
The vagus nerve is approximately _______% sensory
10.
1 point
True or False: Oligodendrocytes do not produce any neurotrophic or growth factors to promote axonal growth or neuronal survival.
11.
1 point
Brain-derived neurotrophic factor (BDNF) plays an important part in which component of PNS repair?
12.
1 point
Which of the following would you expect to see in a CNS injury but NOT in a PNS injury?
13.
1 point
What is the typical frequency range for clinical MRI?
14.
1 point
True or False: CNS neurons lack a continuous extracellular basal lamina layer.
15.
1 point
The death of a large group of neurons can release factors that cause the apoptosis of adjacent neurons. This is called...
16.
1 point
Which of the following would you expect in a T1-weighted MRI?
17.
1 point
Where would you NOT expect to find a nicotinic cholinergic receptor?
18.
1 point
Concentrations of which of the following would you expect to increase during chromatolysis?
19.
1 point
Which of the following molecules does NOT contribute to neurite growth in the PNS?
20.
1 point
Which of the following is NOT caused by parasympathetic stimulation?
21.
1 point
Which of the following adrenergic receptors is not innervated?
22.
1 point
The Larmor frequency is typically associated with:
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