How is salt balance tied into blood pressure control?
What will be an ideal response?
An excess amount of salt in the blood increases the blood's osmotic pressure, which causes more water to stay in the blood and less to be excreted from the body. An excess amount of water in the blood increases the blood's volume, which in turn increases blood pressure. A lack of salt in the blood lowers the blood's osmotic pressure and causes the kidneys to excrete more water in the urine. The resulting decrease in blood volume causes a decrease in blood pressure.
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Which best describes temporal summation?
A. It only refers to addition of EPSPs. B. A synapse is stimulated a second time before the effect of a first stimulus at the synapse has terminated. C. The size of an EPSP depends on the size of the stimulus. D. It always brings a postsynaptic cell to threshold. E. Two synapses on different regions of a cell are stimulated at the same time.
Bacteria in the blood is termed ____________
Fill in the blank(s) with correct word
Which fiber type allows Frances to stand for hours in her job as a nurse?
A) type I fiber B) type III fiber C) type IIa fiber D) type IIx fiber
Pneumonectomy refers to
A. a bacterial infection of the lower respiratory tract. B. collapsing of a lung due to a chest wound allowing outside air in the pleural space. C. the surgical removal of a lung or lobe of a lung. D. the constriction of lung tissue caused by fibrosis.