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.Management Sciences
A. Pumps Na against a gradient
B. 5 Na+ exchanged for 2K+
C. Increase in intracellular Na
D. Hypocalcemia inhibits the pump
Related Mcqs:
- Calcium ions triggers muscle contraction by binding to ___________________?
- A. Actin B. Myosin C. Troponin D. Tropomyosin...
- Increase in threshold level on applying subthreshold, slowly rising stimulus is known as ___________?
- A. Adaptation B. Accommodation C. Refractoriness D. Electrotonus...
- The absolute refractory period of an action potential is due to _______________?
- A. Insufficient neurotransmitter B. Depletion of intracellular Na+ C. Inactivation of Na+ k+ ATPase D. Voltage inactivation of the Na+ channel...
- The main types of muscle cells are______________?
- A. Skeletal and cardiac B. Smooth and cardiac C. Smooth and skeletal D. All of the above...
- Upstroke of action potential would lead to________________?
- A. Net current in an outward direction B. Cell interior becomes more negative C. Cell interior becomes less negative D. None of the above...
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