Carbon monoxide is lethal because it ________.

A. increases oxygen unloading at the cells
B. binds hemoglobin, preventing oxygen binding
C. increases CO2 and causes seizures
D. reduces CO2 and slows breathing


Answer: B

Anatomy & Physiology

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A tissue is a

A. structure contained within a cell. B. group of organs that performs specific functions. C. lower level of organization than a cell. D. structure that contains a group of organs. E. group of cells with similar structure and function.

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Which labeled neuron is considered to be a second-order neuron?

a) A b) B c) C d) More than one answer selection is correct. e) None of the answer selections are correct.

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The ________ is the main switch station for memory; if the right and left areas are destroyed, the result is widespread amnesia

A) hypothalamus B) Wernicke's area C) thalamus D) hippocampus

Anatomy & Physiology