Asynchronous activation of motor units is important because it functions to ________.
What will be an ideal response?
prevent fatigue
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Why is the temporomandibular joint considered to be a second-class lever?
A. It has a mechanical advantage of 1.0 or less. B. The force is in the middle. C. The effort arm is longer than the resistance arm. D. The fulcrum is in the middle. E. The resistance is in the middle.
The primary mechanism that regulates the concentration of sodium ions in extracellular fluid involves a hormone secreted by the ______________.
Fill in the blank(s) with the appropriate word(s).
Which of the following establish the medullary vertical osmotic gradient by means of countercurrent multiplication?
a. Loops of Henle of juxtamedullary nephrons b. Loops of Henle of cortical nephrons c. Vasa recta of juxtamedullary nephrons d. Vasa recta of cortical nephrons e. Vasopressin-secreting cells
Patients with poorly controlled diabetes mellitus may have urine with the odor of which of the following?
a) insulin b) acetone c) carbon d) ammonia