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This is a the correct sequence of structures that

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24. This is a the correct sequence of structures that allows the normal sequence of ex-citation to progress through the heart.a)Bundle of His, Purkinje fibers, Atrioventricular (AV) nodeb)Sinoatrial (SA), Purkinje fibers, AV node, Bundle of Hisc)Purkinje fibers, AV node, SA node, Bundle of Hisd)SA node, AV node, Bundle of His, Purkinje fiberse)Bundle of His, SA node, AV node, Purkinje fibersAns: DDifficulty: medium
Feedback: 20.325. By comparison, cardiac muscle cells have_____________contraction plateautime than skeletal muscle cells.
Difficulty: easyFeedback:20.326. This is the volume of blood ejected from the left ventricle into the aorta eachminute.
Difficulty: easyFeedback: 20.527. This term refers to the period of time during a cardiac cycle when contraction oc-curs and blood pressure rises.Difficulty: medium
Feedback: 20.328. Which of these periods represents greatest cardiac output?a)atrial diastole
b)ventricular diastolec)atrial systoled)ventricular systoleAns: DDifficulty: mediumFeedback: 20.329. The second heart sound represents which of the below events?
Difficulty: mediumFeedback: 20.430. This part of the heart can initiate a contraction and can set a constant heart rate ofabout 100 beats per minute.Difficulty: hard
Feedback: 20.531. Stimulation of this nerve reduces heart rate.Difficulty: medium
Feedback: 20.532. Which of the below reduces heart rate.a)Increased Norepinephrine hormoneb)Increased Thyroid hormonec)Increased potassium levelsd)Increased calcium levelse)Increased sympathetic stimulationAns: CDifficulty: medium
Feedback: 20.533. This part of the brainregulates heart rate.
Difficulty: mediumFeedback: 20.5

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Term
Fall
Professor
hegde
Tags
Physiology, Anatomy, right ventricle, Difficulty

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