When the neuron membrane becomes less negative than the resting membrane potential, it is said to be _____.
Fill in the blank(s) with the appropriate word(s).
depolarized
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The rate of erythropoiesis normally increases in a person adjusting to higher altitudes
Indicate whether the statement is true or false
The anatomical plane dividing the body into right and left parts is a _______ plane.
Fill in the blank(s) with the appropriate word(s).
PRL is to ________ as ACTH is to ________
A) prolactin; corticotropin B) oxytocin; mammotropin C) gonadotropin; mammotropin D) oxytocin; cortisol
Which of the following statements about blood clotting is NOT true?
A. It is the formation of a thrombus. B. It occurs after formation of a platelet plug in a damaged vessel. C. It requires the presence of erythrocytes. D. It is a result of a cascade of enzyme activation. E. It involves positive feedback by thrombin.