. Regarding excitation contraction coupling in and Skin 466 inal cisternae trans
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Question
. Regarding excitation contraction coupling in and Skin 466 inal cisternae transmit the action potential to the sarcoplasmic reticulum. A. The termi B. Acetylcholine binds to nicotinic receptors to induce muscle ce C. The process can be blocked by muscarinic D. Calcium is released from the transverse tubules to initiate contraction E. None of the above are correct 68 ll depolarizations antagonists ssure 472 rterial Pressure 47 d Congestive 18. Which of these types of muscle cells are NOT capable of spontaneous depolarizations? A. Single-unit smooth muscle B. Multiunit smooth muscle C. Cardiac muscl D. Both B and E. Both A and C 19. Which of the following statements about the right side of the heart is/are TRUE? A. The pulmonary artery carries blood that is deoxygenated B. Oxygenated blood returns to the right atrium C. The right atrium and ventricle are separated by the bicuspid valve D. The right ventricle pumps blood into the aorta E. None of the above ruvuimaner poenuars in the SA node. The h weans tnat eacn ventricle pumps the equivalent of the totalset by the rate of spontaneous depolarization in t blood volume each minute under resting conditions. Put This spontaneous depolarization is known as the another way, it takes about a minute for a drop of blood to potential, and its rate is increased by sympatheti complete the systemic and pulmonary circuits. An increase stimulation and decreased by parasympathetic nExplanation / Answer
A. the pulmnary artery carries blood which is deoxygenated from right ventricle towards lung.
B .is not true as oxygenated blood returns with the pumlonary vein to left artrium
C-is not true as right artrium and ventricle is separated by tricuspid vulve,
D-is not true as left ventricle pumps blood into aorta.
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