The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. This statement describes _____.
A)facilitated diffusion
B)secondary active transport
C)exocytosis
D)simple diffusion
E)primary active transport
E)primary active transport
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A. ascending, affectors B. ascending, effectors C. descending, affectors D. descending, effectors
For defecation to take place, the puborectalis must
A. contract. B. relax.
Which of the following respiratory volumes and capacities has the lowest volume?
A. Expiratory reserve volume (ERV) B. Tidal volume (TV) C. Inspiratory reserve volume (IRV) D. Functional residual capacity (FRC) E. Residual volume (RV)
Which of the following is the healthiest ratio of triglycerides?
A. High LDL: low chylomicron B. High HDL: low LDL C. High chylomicron: low LDL D. High SFA: low HDL E. High LDL: low HDL