Release of calcium from these structures triggers skeletal muscle contraction
a) myofibrils
b) mitochondria
c) terminal cisterns of sarcoplasmic reticulum
d) T-tubules
e) none of the answer choices
c
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A __________________ is commonly placed in the cephalic vein for fluid therapy
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Two important relationships exist between neurons: ____________________ and ____________________
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Salt was added to a beaker of distilled water (the water was not stirred). A sample taken from the bottom of the beaker was found to be 20% salt. At the same time, a sample taken from the top of the beaker was found to be 2% salt. After 24 hours
A. the samples would still be 2% and 20% respectively. B. the difference in the percentage of salt between the top and bottom samples would increase. C. the salt would float to the top. D. the percentage of salt in the top and bottom samples would be approximately equal. E. None of the choices are correct.
The mechanism of stabilizing the GFR based on the tendency of smooth muscle to contract when stretched is known as ________
A) renal autoregulation B) the renin-angiotensin-aldosterone mechanism C) the myogenic mechanism D) tubuloglomerular feedback E) sympathetic control