Extreme thirst may occur in cases of diabetes mellitus due to
a. low blood volume
b. low concentrations of solutes in the blood.
c. high concentrations of solutes in the blood.
d. high blood volume.
c
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In Parkinson's disease, which pathway in the brain degenerates?
A. Basal ganglia to cerebellum B. Substantia nigra to caudate nucleus and putamen C. Cerebellum to spinal cord D. Cerebral cortex to spinal cord
Adults who had a secure attachment in childhood report ____
a. more guilt and loneliness c. more anxiety and shame b. more positive childhood experiences d. lower levels of self-esteem
Which of the following does NOT measure how the brain functions metabolically?
a. EEG readings b. PET scans c. CT scans d. functional magnetic resonance imaging
A sudden change in electrical potential of a neuron membrane which travels along the neuron axon is called
a. a resting potential b. an action potential c. hyperpolarization d. none of these