Question 1
Dr. Smith destroys a small piece of tissue in the forebrain of a rat to determine whether that area is important for maze-learning. What is this technique called?
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case study method◦
tomography◦
transcranial stimulation◦
lesioningQuestion 2
Drug 8K43 is a stimulant drug that acts by blocking the reuptake of dopamine in the nervous system. This means that dopamine stays in the synapse longer and continues to stimulate the postsynaptic neuron. Based on this information, what can we infer about the effects of dopamine on the postsynaptic neuron?
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It produces excitatory postsynaptic potentials.◦
It blocks the receptor channels in the postsynaptic neuron.◦
It cancels out excitatory potentials generated by other neurons.◦
It reduces inhibitory postsynaptic potentials.
Shark Circulatory System
lymphatic system
Blood Flow Through the Cardiorespiratory System
The respiratory system and the process of gas exchange.
Earth’s Climate System
Development of the Endocrine System