Explain why we should avoid drinking large amounts of pure water over a short period of time when we are dehydrated
What will be an ideal response?
Dehydration may be treated by consuming pure water, but this should be approached with caution. If water is consumed in moderate amounts, it will mildly dilute the extracellular fluid (ECF), making it slightly hypotonic to the cytosol. This will trigger a shift of water back into the cells, rehydrating them. However, if large amounts of water are consumed in a short period of time, the ECF can become overly dilute, causing too much water to enter the cells and resulting in cellular swelling.
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A positive psoas sign:
A) could indicate liver cancer. B) means that the thigh can be extended more than 30 degrees. C) means that the psoas muscle is normal in strength. D) could indicate pancreatitis. E) indicates a normal psoas reflex.
Saturation of carriers is a critical rate-limiting factor in the transport of selected substances across the kidney membranes during urine formation
a. True b. False Indicate whether the statement is true or false
This indentation of the sarcolemma carries electrical signals deep into the muscle cells
A) T tubule B) triad C) terminal cisterns D) sarcoplasmic reticulum
The most superior part of the sternum is the
A. xiphoid process. B. styloid process. C. manubrium. D. None apply.