Name the muscle fiber type that has fewer mitochondria, less myoglobin and fewer blood capillaries?
a. Type 1 fibers
b. Red fibers
c. Slow oxidative fibers
d. Fast glycolytic fibers
d. Fast glycolytic fibers
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Structures that can be either exteroceptors or proprioceptors include:
A. Meissener's Corpuscle B. Tactile Disc C. Paciman Corpuscle D. Ruffini ending
The first heart sound (the "lub" of the "lub-dup") is caused by __________.
opening of the atrioventricular valves closure of the atrioventricular valves opening of the semilunar valves closure of the semilunar valves
Exogenous antigens are:
A. Displayed on MHC II proteins B. Displayed on MHC I proteins C. Displayed on CD8 proteins D. Displayed on CD4 proteins
This figure compares the organization of the somatic motor system and the autonomic nervous system. Identify structure "E" on the above diagram.
A. Postganglionic neuron B. Autonomic ganglion C. Preganglionic neuron D. Effector organ (smooth muscle of GI tract) E. Somatic motor neuron