Small structures that compartmentalize the cell for the various cellular activities are
A. nuclei.
B. mosaics.
C. matrices.
D. organelles.
Answer: D
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You are studying a disease in which inhibition of sensory neurons is diminished, leading to more dramatic sensory sensations than are appropriate for stimulus strength. For example, when a person with this disease listens to a person talking in a normal voice, it sounds like they are yelling. Which neurotransmitter might be expressed at lower levels in this disease compared to a healthy individual?
A. Beta-endorphin B. Dopamine C. Glutamate D. Norepinephrine E. Gamma-aminobutyric acid (GABA)
Tactile corpuscles are the receptors for which sense?
A. Taste B. Smell C. Hearing D. Touch
Biliverdin and bilirubin are pigments that result from the breakdown of red blood cells. Biliverdin is ________ in color and bilirubin is ________ in color.
A. black; red B. greenish; purple C. greenish; orange D. brownish; orange
Which of the following is NOT true of the cranial nerves?
A. There are 12 pairs of cranial nerves. B. Most arise from the brainstem. C. Most, but not all, are mixed nerves. D. They are part of the CNS. E. All of these are true of the cranial nerves.