The dendrites and cell body are the neuron's output zone because these components send out signals
a. True
b. False
Indicate whether the statement is true or false
False
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Environmental hypoxia leads to the following pathological response:
A) Vasoconstriction of pulmonary arterioles. B) Decreased ventilation rate. C) Decreased red blood cell numbers. D) Reduced tidal volume.
After chopping wood for about 2 hours, on a hot but breezy afternoon, John stumbled into the house and immediately fainted. His T-shirt was wringing wet with perspiration, and his pulse was faint and rapid. Was he suffering from heat stroke or heat exhaustion? Explain your reasoning and note what you should do to help John's recovery.
What will be an ideal response?
Which spinal tracts carry action potentials generated by nociceptors?
A) anterior spinothalamic tracts B) posterior spinothalamic tracts C) lateral spinothalamic tracts D) posterior column pathway E) spinocerebellar pathway
Which of the following accounts for the heart sounds "lubb-dubb"?
A) closing of the semilunar and atrioventricular valves, respectively B) opening of the semilunar and atrioventricular valves, respectively C) closing of the atrioventricular and semilunar valves, respectively D) opening of the atrioventricular and semilunar valves, respectively