Opening a sodium channel during the resting potential would cause sodium ions to move along an electrical gradient and along a concentration gradient
Indicate whether the statement is true or false
T
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Mechanical stress of bones, such as that caused by weight lifting, is detected by
A. osteocytes, which then communicate to osteoblasts to increase synthesis of osteoid. B. osteoclasts, which then communicate to osteocytes to increase the size of lacunae. C. chondrocytes, which then trigger osteoblasts to increase bone in a lengthwise fashion. D. osteoblasts, which then communicate to osteocytes and osteoclasts to deposit more hydroxyapatite.
Puncture of the chest wall with a needle to obtain fluid or air from the pleural cavity is called:
A) pneumocentesis B) thoracocentesis C) thoracoaspiratosis D) pneumocatheterization
In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________.
A. QRS wave B. R wave C. S wave D. P wave E. T wave
All of the followng are components of lymph, except
A. water. B. ions. C. nutrients. D. hormones. E. red blood cells.