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.Management Sciences
A. Dopamine
B. Epinephrine
C. Nor epinephrine
D. Acetylcholine
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...
- The end plate potential is characterized by_____________?
- A. Propagation B. All or none law C. Depolarization D. Hyper polarization...
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