Increased motor unit recruitment causes ________ force generation by a muscle.
A. no change in
B. decreased
C. increased
Answer: C
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Which of the following is TRUE about the concentration gradient of Na+ in a neuron at rest?
A. It is in the same direction as the diffusion potential due to the concentration gradient for K+. B. It favors movement of Na+ in the opposite direction as the electrical potential acting on Na+ at the resting membrane potential. C. It favors its movement into the cell at the resting membrane potential. D. It favors its movement out of the cell at the resting membrane potential. E. It is equal and opposite to the electrical potential acting on Na+ at the resting membrane potential.
If someone sustained damage to the left side of their spinal cord at the T2 level such that both the anterolateral pathway and the posterior funiculus were severed on the left side only, what sensory deficits would exist in the left and right lower limbs?
What will be an ideal response?
Describe how drugs can modify synaptic transmission
What will be an ideal response?
The synovial membrane
A. lines the joint everywhere except over the articular cartilage. B. is a layer of tissue that is continuous with the periosteum. C. is a double layer of tissue that encloses a joint. D. is a thin lubricating film covering the surface of a joint. E. provides a smooth surface where bones meet.