Understanding Neurons and Synapses

Which of the following are the branchlike parts of a neuron that are specialized to receive information?

• soma

• axon

• dendrites

• myelin

What is the role of postsynaptic potentials (PSP)?

• Follow the all-or-nothing law

• Voltage change at a receptor site

• Both A and B

What is the function of the myelin sheath?

• Insulating material for axons

• Transmits signals

• Receives information

What is the primary function of the cerebral cortex?

• Complex mental activities

• Regulating neuronal activity

• Integrating signals

What happens during split-brain surgery?

• Corpus callosum is cut

• Neurons are regenerated

• Both A and B

What is the role of the left hemisphere in cognitive tasks?

• Better on verbal processing tasks

• Better on nonverbal processing tasks

• Both A and B

What is the significance of the right hemisphere in visual-spatial tasks?

• Faster than the left hemisphere

• Slower than the left hemisphere

• Equal to the left hemisphere

What are the major structures that connect the two cerebral hemispheres?

• Cerebral cortex

• Corpus callosum

• Thalamus

• Hindbrain

What is Broca's area associated with?

• Language comprehension

• Speech production

• Emotional processing

• Visual processing

What are the three categories of aphasia?

• Broca's aphasia, Wernicke's aphasia, Global aphasia

• Ischemic stroke, Hemorrhagic stroke, Transient ischemic attack

• Frontal lobe, Parietal lobe, Occipital lobe

• Cerebellum, Medulla, Pons