ASCI 141 Quiz: Answers to Prelecture Quizzes Before Exam 3: The Muscular System, Cardiovascular System and Blood Lymph and Immunity

• School: University of Vermont
• Department: Animal Science
• Course: ASCI 141
• Professor: Feng Qi Zhao

Document Summary

Voluntary striated muscle is: skeletal muscle, cardiac muscle, smooth muscle, none of the above. Which of the following muscle cells has more than one nuclei per cell: skeletal muscle, cardiac muscle, smooth muscle, voluntary unstriated muscle. Where are ca++ ions stored in skeletal muscle cells when no action potential is generated: sarcolemma, sarcoplasm, t tubules, sarcoplasmic reticulum. Where is the pacemaker of the heart located: the wall of the right atrium, the wall of the left atrium, the wall of the right ventricle, the wall of the left ventricle. The sarcomeres are not the contractile units in: skeletal muscle cells, cardiac muscle cells, smooth muscle cells, none of the above. Which of the chamber of the heart receives oxygenated blood from the lung: right atrium, left atrium, right ventricle, left ventricle. Which of the following structures normally automatically generate the electrical impulses that trigger regular heart beats: sa node, av node, av bundle, purkinje fibers.