lieart ie a. Purkinje fibers is the: b. AV node C. SAnode d. AV bundle 19. Which
ID: 3509240 • Letter: L
Question
lieart ie a. Purkinje fibers is the: b. AV node C. SAnode d. AV bundle 19. Which of the following waves of an EKG is correct? a. P wave-depolarization of atria b. QRS wave-repolarization of ventricles c. T wave-depolarization of ventricles d. QRS wave-depolarization of atria 20. Which of following is correctly matched? Tricuspid valve- permits blood flow from right to left atrium b. a. Pulmonary valve- permits blood flow from left ventricle to aorta c. Mitral valve- permits blood flow from left atrium to left ventricle Aortic valve-permits blood flow from right ventricle to pulmonary artery d. 21. The coronary sinus drains blood from walls of heart into a. Left atrium b. Right atrium c. Left ventricle d. Right ventricle 22. The aorta is largest artery of C circuit: a. Systemic b. Pulmonary c. Coronary d. Hepatic portal 23. The intestinal tract is supplied with blood from a. Renal artery b. Superior mesenteric artery c. Brachial d. Femoral artery 24. Blood pressure in brachial artery is greatest during a. Atrial diastole b. Ventricular diastole c. Atrial contraction d. Ventricular contraction 25. Once cells of SA node reach threshold: a. An action potential is triggered b. Heart attack occurs c. Heart rate increases d. Blood pressure increasesExplanation / Answer
The correct answers are as follows-
19. The correct option is a.
20.The correct option is c.
21.The correct option is b.
22.The correct option is a.
23. The correct option is b
24. The correct option is d
25. The correct option is a.
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