The puppy had a ______________ fracture after he fell which may affect his growth because the bone was broken at the growth plate
Fill in the blank(s) with correct word
physeal
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Smoking mothers have a tendency toward ________
A) A higher rate of SIDS B) Babies of lower birth weights C) Premature births D) All of the above
If all other conditions remain the same and the concentration of a nonpenetrating solute increases inside a cell, which is most likely to occur?
A. Water will tend to enter the cell because the interior has an increased osmolarity. B. Water will tend to leave the cell because the interior has an increased osmolarity. C. Water will tend to enter the cell because the interior has a decreased osmolarity. D. Water will tend to leave the cell because the interior has a decreased osmolarity. E. The solute will diffuse across the membrane until its concentration is equal on both sides of the membrane.
If we were able to artificially alter the membrane permeability of pacemaker cells so that sodium influx is more rapid, ________.
A) threshold is reached more quickly and heart rate would increase B) potassium channels compensate and no change in heart rate would occur C) heart rate would decrease, but blood pressure would rise due to the excess sodium present D) tetanic contraction would occur due to the short absolute refractory period of cardiac muscle
A certain drug is known to block monovalent cation channels. This drug is used as a "muscle relaxer." Would it affect both smooth and skeletal muscles or only skeletal muscles? Defend your answer.
What will be an ideal response?