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
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Activity of which of the following cells is inhibited by calcitonin release?
A) alpha cells B) osteoclasts C) osteoblasts D) C cells E) all cells in the body
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.
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
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.