Which of the following is/are characteristic of fast-twitch oxidative glycolytic fibers?
A. Contraction speed is intermediate (faster than type I but slower than type IIB).
B. Fatigue rate is intermediate (faster than type I but slower than type IIB).
C. both A and B
D. none of the above
B. Fatigue rate is intermediate (faster than type I but slower than type IIB).
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The driving force for H2O reabsorption across all permeable segments of the kidney tubule is an osmotic gradient
Indicate whether the statement is true or false
Acetylcholine is:
A) an ion pump B) a source of energy for muscle contraction C) a component of thick myofilaments D) an oxygen binding protein E) a neurotransmjtter
What is the effect of intense sympathetic stimulation on the GFR?
A. GFR increases, then decreases B. GFR increases C. GFR decreases D. GFR is not affected